def handle_data(context, data):
print context.portfolio.portfolio_value
# Skip first 300 days to get full windows
context.i += 1
if context.i < 300:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
short_mavg = history(100, '1d', 'price').mean()
long_mavg = history(300, '1d', 'price').mean()
sym = symbol('AAPL')
# Trading logic
if short_mavg[sym] > long_mavg[sym]:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order_target(sym, 100)
elif short_mavg[sym] < long_mavg[sym]:
order_target(sym, 0)
# Save values for later inspection
record(AAPL=data[sym].price,
short_mavg=short_mavg[sym],
long_mavg=long_mavg[sym])
def handle_data(context, data):
# Skip first 300 days to get full windows
context.i += 1
if context.i < 300:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
short_mavg = history(100, '1d', 'price').mean()
long_mavg = history(300, '1d', 'price').mean()
# price_history = data.history(assets=symbol('TEST'), fields="price", bar_count=5, frequency="1d")
# Trading logic
if short_mavg[0] > long_mavg[0]:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order_target(symbol('AAPL'), 100)
elif short_mavg[0] < long_mavg[0]:
order_target(symbol('AAPL'), 0)
# Save values for later inspection
record(AAPL=data[symbol('AAPL')].price,
short_mavg=short_mavg[0],
long_mavg=long_mavg[0])
def handle_data(context, data):
context.i += 1
if context.i < 20:
return
ma5 = history(5, '1d', 'price').mean()
ma20 = history(20, '1d', 'price').mean()
buy = False
sell = False
sym = symbol('HMD')
if ma5[sym] > ma20[sym] and context.investment == False:
order_target(sym, 1)
context.investment = True
buy = True
elif ma5[sym] < ma20[sym] and context.investment == True:
order_target(sym, -1)
context.investment = False
sell = True
record(HMD=data[sym].price,
ma5=ma5[sym],
ma20=ma20[sym],
buy=buy,
sell=sell)
def handle_data(context, data):
# Skip first 300 days to get full windows
context.i += 1
dp = context.history_container.digest_panels
for k in dp.keys():
df = dp[k].buffer['price']
a = df.dropna()
print('No.', context.i, ':Len.', len(a))
print('Contents:')
print(a)
print(context.history_container.buffer_panel.buffer['price'])
if context.i < 40:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
short_mavg = history(20, '1d', 'price').mean()
long_mavg = history(40, '1d', 'price').mean()
# Trading logic
if short_mavg[context.sym] > long_mavg[context.sym]:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order_target(context.sym, 100)
elif short_mavg[context.sym] < long_mavg[context.sym]:
order_target(context.sym, 0)
# Save values for later inspection
record(AAPL=data[context.sym].price,
short_mavg=short_mavg[context.sym],
long_mavg=long_mavg[context.sym])
def handle_data(context, data):
# Skip first 300 days to get full windows
context.i += 1
if context.i < context.N:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
c = history(context.N, '1d', 'close')
o = history(context.N, '1d', 'open')
h = history(context.N, '1d', 'high')
l = history(context.N, '1d', 'low')
for sym in data:
# Trading logic
hh = h[sym].ix[:-1].max()
hc = c[sym].ix[:-1].max()
lc = c[sym].ix[:-1].min()
ll = l[sym].ix[:-1].min()
r = max(hh-lc, hc-ll)
upper = data[sym].open + context.k * r
lower = data[sym].open - context.k * r
if short_mavg[sym] > long_mavg[sym] and not context.invested:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order(sym, 10000, limit_price=data[sym].price)
context.invested = True
elif short_mavg[sym] < long_mavg[sym] and context.invested:
order(sym, -10000, limit_price=data[sym].price)
context.invested = False
def handle_data_magc(context, data):
context.i += 1
if context.i < 60:
return
ma20 = history(20, '1d', 'price').mean()
ma60 = history(60, '1d', 'price').mean()
buy = False
sell = False
sym = symbol(code)
count = int(100000 / data[sym].price)
if context.investment == False:
if ma20[sym] > ma60[sym] :
order_target(sym, count)
context.investment = True
context.buy_price = data[sym].price
buy = True
else:
if (data[sym].price > context.buy_price + (context.buy_price * sell_point)):
order_target(sym, -count)
context.investment = False
sell = True
record(code=data[sym].price, ma20=ma20[sym], ma60=ma60[sym], buy=buy, sell=sell)
def handle_data(context, data):
rebalance_period = 20
context.tick += 1
if context.tick < 120 :
return
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices_6m = history(120, '1d', 'price').dropna()
returns_6m = prices_6m.pct_change().dropna()
prices_60d = history(60, '1d', 'price').dropna()
returns_60d = prices_60d.pct_change().dropna()
try:
# Get the strongest 5 in momentum
mom = returns_6m.T.sum(axis=1)
selected_indices = mom[mom>0].order().tail(len(mom) /2).index
# selected_indices = mom.index
# selected_indices = mom[mom > 0 ].index
selected_returns = returns_60d[selected_indices]
weights = minimize_vol(selected_returns.T)
# weights = minimize_vol(returns_60d.T)
# Rebalance portfolio accordingly
for stock, weight in zip(selected_returns.columns, weights):
order_target_percent(stock, weight)
except :
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick < 120:
return
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices_6m = history(120, '1d', 'price').dropna()
returns_6m = prices_6m.pct_change().dropna()
prices_60d = history(60, '1d', 'price').dropna()
returns_60d = prices_60d.pct_change().dropna()
try:
# Get the strongest 5 in momentum
mom = returns_6m.T.sum(axis=1)
#selected_indices = mom[mom>0].order().tail(len(mom) /2).index
selected_indices = mom.index
#selected_indices = mom[mom > 0 ].index
selected_returns = returns_60d[selected_indices]
weights = self.minimize_vol(selected_returns.T)
# weights = minimize_vol(returns_60d.T)
# Rebalance portfolio accordingly
for stock, weight in zip(selected_returns.columns, weights):
order_target_percent(stock, weight)
except:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(context, data):
#trading algorithm (executed on every event)
#skip first 300 days to get full windows
context.i += 1
if context.i < 300:
return
#compute short and long moving averages:
short_mavg = history(100, '1d', 'price').mean()
long_mavg = history(300, '1d', 'price').mean()
buy = False
sell = False
#trading logic
if (short_mavg[0] > long_mavg[0]) and not context.invested:
buy = True
context.invested = True
order_target(symbol('AAPL'), 100)
elif (short_mavg[0] < long_mavg[0]) and context.invested:
sell = True
context.invested = False
order_target(symbol('AAPL'), -100)
#save values for plotting
record(AAPL = data[symbol('AAPL')].price,
short_mavg = short_mavg[0],
long_mavg = long_mavg[0],
buy=buy,
sell=sell)
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices_6m = history(120, '1d', 'price').dropna()
returns_6m = prices_6m.pct_change().dropna()
prices_60d = history(60, '1d', 'price').dropna()
returns_60d = prices_60d.pct_change().dropna()
try:
# Get the strongest 5 in momentum
mom = returns_6m.T.sum(axis=1)
selected = (mom > np.median(mom)) * 1
# 60 days volatility
vol = np.std(returns_60d.T, axis=1)
vol_target = 0.01
wt = vol_target / vol * 0.2
wt[wt > 0.2] = 0.2
#
weights = wt * selected
# Rebalance portfolio accordingly
for stock, weight in zip(prices_60d.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(context, data):
# Skip first 300 days to get full windows
context.i += 1
dp = context.history_container.digest_panels
for k in dp.keys():
df = dp[k].buffer['price']
a = df.dropna()
print('No.',context.i,':Len.',len(a))
print('Contents:')
print(a)
print(context.history_container.buffer_panel.buffer['price'])
if context.i < 40:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
short_mavg = history(20, '1d', 'price').mean()
long_mavg = history(40, '1d', 'price').mean()
# Trading logic
if short_mavg[context.sym] > long_mavg[context.sym]:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order_target(context.sym, 100)
elif short_mavg[context.sym] < long_mavg[context.sym]:
order_target(context.sym, 0)
# Save values for later inspection
record(AAPL=data[context.sym].price,
short_mavg=short_mavg[context.sym],
long_mavg=long_mavg[context.sym])
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices_6m = history(120, '1d', 'price').dropna()
returns_6m = prices_6m.pct_change().dropna()
prices_60d = history(60, '1d', 'price').dropna()
returns_60d = prices_60d.pct_change().dropna()
try:
# Get the strongest 5 in momentum
mom = returns_6m.T.sum(axis=1)
selected = (mom > np.median(mom)) * 1
# 60 days volatility
vol = np.std(returns_60d.T, axis=1)
vol_target = 0.01
wt = vol_target / vol * 0.2
wt[wt > 0.2] = 0.2
#
weights = wt * selected
# Rebalance portfolio accordingly
for stock, weight in zip(prices_60d.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(context, data):
# Skip first 300 days to get full windows
context.i += 1
if context.i < 10:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
short_mavg = history(5, '1d', 'price').mean()
long_mavg = history(10, '1d', 'price').mean()
for sym in data:
# sym = data.keys()[0]
# sym = data.keys()[0]
# Trading logic
if short_mavg[sym] > long_mavg[sym] and not context.invested:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order_target(sym, 5000)
context.invested = True
elif short_mavg[sym] < long_mavg[sym] and context.invested:
order_target(sym, 0)
context.invested = False
def handle_data(context, data):
# Skip first 300 days to get full windows
context.i += 1
if context.i < 300:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
short_mavg = history(100, '1d', 'price').mean()
long_mavg = history(300, '1d', 'price').mean()
sym = symbol('AAPL')
# Trading logic
if short_mavg[sym] > long_mavg[sym]:
# order_target orders as many shares as needed to
# achieve the desired number of shares.
order_target(sym, 100)
elif short_mavg[sym] < long_mavg[sym]:
order_target(sym, 0)
# Save values for later inspection
record(AAPL=data[sym].price,
short_mavg=short_mavg[sym],
long_mavg=long_mavg[sym])
def handle_data(context, data):
# context.i+=1
# if context.i<=5:
# return
# 循环每只股票
closeprice= history(5,'1d','close')
for security in context.stocks:
vwap=(closeprice[symbol(security)][-2]+closeprice[symbol(security)][-3]+closeprice[symbol(security)][-4])/3
price = closeprice[symbol(security)][-2]
print get_datetime(),security,vwap,price
# # 如果上一时间点价格小于三天平均价*0.995，并且持有该股票，卖出
if price < vwap * 0.995:
# 下入卖出单
order(symbol(security),-300)
print get_datetime(),("Selling %s" % (security))
# 记录这次卖出
#log.info("Selling %s" % (security))
# 如果上一时间点价格大于三天平均价*1.005，并且有现金余额，买入
elif price > vwap * 1.005:
# 下入买入单
order(symbol(security),300)
# 记录这次买入
print get_datetime(),("Buying %s" % (security))
def top_rets(self, tickers, win):
hist = history(bar_count=241, frequency='1d', field='price')
ret = ((hist / hist.shift(win)) - 1).tail(1)
mean_ret = float(np.median(ret))
max_ret = float(ret.max(axis=1))
spy_ret = float(ret[symbol(self.ticker_spy)])
lst = {}
lst['mean'] = []
lst['spy'] = []
lst['zero'] = []
lst['max'] = []
for ticker in tickers:
ticker_ret = float(ret[ticker])
if ticker_ret > mean_ret:
lst['mean'].append(ticker)
if ticker_ret > spy_ret:
lst['spy'].append(ticker)
if ticker_ret > 0:
lst['zero'].append(ticker)
if ticker_ret >= max_ret:
lst['max'].append(ticker)
return lst
def handle_data_macd(context, data):
context.i += 1
if context.i < 60:
return
buy = False
sell = False
sym = symbol(code)
count = int(100000 / data[sym].price)
prices = history(40, '1d', 'price')
macd = prices.apply(MACD, fastperiod=12, slowperiod=26, signalperiod=9)
if context.investment == False:
if macd[sym] > 0 and context.position == -1:
order_target(sym, count)
context.investment = True
context.buy_price = data[sym].price
buy = True
context.position = 1
else:
if (data[sym].price > context.buy_price + (context.buy_price * sell_point)):
order_target(sym, -count)
context.investment = False
sell = True
if macd[sym] < 0 :
context.position = -1
if macd[sym] > 0 :
context.position = 1
record(code=data[sym].price, macd=macd[sym], buy=buy, sell=sell)
def handle_data(context, data):
#Get a trailing window of data
prices = history(15, '1d', 'price')
# Use pandas dataframe.apply to get the last RSI value
# for for each stock in our basket
rsi_data = prices.apply(talib.RSI, timeperiod=14).iloc[-1]
intc_rsi = rsi_data[context.intc]
# check how many shares of Intel we currently own
current_intel_shares = context.portfolio.positions[context.intc].amount
# until 14 time periods have gone by, the rsi value will be numpy.nan
# RSI is above 70 and we own GOOG, time to close the position.
if intc_rsi > context.HIGH_RSI and current_intel_shares > 0:
order_target(context.intc, 0)
log.info('RSI is at ' + str(intc_rsi) + ', selling ' + str(current_intel_shares) + ' shares')
# RSI is below 30 and we don't have any Intel stock, time to buy.
elif intc_rsi < context.LOW_RSI and current_intel_shares == 0:
num_shares = math.floor(context.max_notional / data[context.intc].close_price)
order(context.intc, num_shares)
log.info('RSI is at ' + str(intc_rsi) + ', buying ' + str(num_shares) + ' shares')
# record the current RSI value and the current price of INTC.
record(intcRSI=intc_rsi, intcPRICE=data[context.intc].close_price)
def handle_data(context, data):
context.iwarmup = context.iwarmup + 1
if context.iwarmup <= (context.history_depth + 1):
return
dfHistD = history(30, '1d', 'price')
S = context.secs[0]
CurP = data[S].price
BolU, BolM, BolL = talib.BBANDS(dfHistD[S].values,
timeperiod=context.BBANDS_timeperiod,
nbdevup=context.BBANDS_nbdevup,
nbdevdn=context.BBANDS_nbdevdn,
matype=0)
record(CurP=CurP, BolU=BolU[-1], BolM=BolM[-1], BolL=BolL[-1])
if CurP < BolL[-1]:
order_target_percent(S, +0.97)
elif CurP > BolU[-1]:
order_target_percent(S, -0.97)
return
def handle_data(context, data):
print context
#raw_input()
#输出每天持仓情况
if not context.has_ordered:
for stock in data:
#openprice=history(3, '1d', 'open')
closeprice = history(5, '1d', 'close')
#-2:昨天,-3 前天.-4 大前天
print get_datetime(), closeprice[sid(stock)][0], closeprice[sid(
stock)][1], closeprice[sid(stock)][2], closeprice[sid(
stock)][3], closeprice[sid(stock)][4]
#print closeprice,closeprice[sid(stock)][1]
if closeprice[sid(stock)][-2] > closeprice[sid(
stock)][-3] and closeprice[sid(stock)][-3] > closeprice[
sid(stock)][-4]:
print "buy", get_datetime()
order(stock, 300)
elif closeprice[sid(stock)][-2] < closeprice[sid(
stock)][-3] and closeprice[sid(stock)][-3] < closeprice[
sid(stock)][-4]:
print "sell", get_datetime()
order(stock, -300)
def handle_data(context, data):
logging.debug('enter handle_data')
context.i += 1
if context.i < context.rsi_window:
return
# get the last RSI value
prices = history(context.rsi_window, '1d', 'price')
sec_rsi = talib.RSI(prices[context.security].values,
timeperiod=context.rsi_window - 1)
# buy and sell flags
buy = False
sell = False
if sec_rsi[-1] < context.LOW_RSI and not context.invested:
# RSI under 30 indicates oversold, time to buy
order_target(context.security, 1000)
logging.debug('Buying {}'.format(context.security))
context.invested = True
buy = True
elif sec_rsi[-1] > context.HIGH_RSI and context.invested:
# RSI over 70 indicates overbought, sell everything
order_target(context.security, 0)
logging.debug('Selling {}'.format(context.security))
context.invested = False
sell = True
# record data for each time increment
record(secRSI=sec_rsi[-1],
price=data[context.security].price,
buy=buy,
sell=sell)
logging.info(context.portfolio.cash)
def handle_data(context, data):
# Skip first 300 days to get full windows
date = get_datetime()
context.i += 1
if context.i < 10:
return
prices = history(25, '1d', 'price')
for sym in data:
upper, middle, lower = talib.BBANDS(
np.array(prices[sym]),
timeperiod=20,
nbdevup=2,
nbdevdn=2,
matype=0
)
potential_buy = []
buy = False
sell = False
if data[sym].price > upper[-1] and context.portfolio.positions[sym].amount == 0:
# log.info('buy')
# log.info(get_datetime())
# log.info(data[sym].price)
# log.info(upper[-1])
order_target_percent(sym, 1.0, limit_price=data[sym].price)
elif data[sym].price < middle[-1] and context.portfolio.positions[sym].amount > 0:
# log.info('sell')
# log.info(get_datetime())
# log.info(data[sym].price)
# log.info(middle[-1])
order_target(sym, 0, limit_price=data[sym].price)
def handle_data_bband(context, data):
context.i += 1
if context.i < 20:
return
buy = False
sell = False
sym = symbol(code)
count = int(100000 / data[sym].price)
prices = history(20, '1d', 'price')
upper, middle, lower = ta.BBANDS(
prices[sym].values,
timeperiod=20,
nbdevup=2,
nbdevdn=2,
matype=0)
if context.investment == False:
if lower[-1] > data[sym].price:
order_target(sym, count)
context.investment = True
context.buy_price = data[sym].price
buy = True
context.position = 1
else:
if (data[sym].price > context.buy_price + (context.buy_price * sell_point)):
order_target(sym, -count)
context.investment = False
sell = True
record(code=data[sym].price, upper=upper[-1], lower=lower[-1], makeBacktestingDataFrame=middle[-1], buy=buy, sell=sell)
def handle_data(context, data):
'''
Called when a market event occurs for any of the algorithm's
securities.
Parameters
data: A dictionary keyed by security id containing the current
state of the securities in the algo's universe.
context: The same context object from the initialize function.
Stores the up to date portfolio as well as any state
variables defined.
Returns None
'''
# Allow history to accumulate 100 days of prices before trading
# and rebalance every day thereafter.
context.tick += 1
if context.tick < 100:
return
# Get rolling window of past prices and compute returns
prices = history(100, '1d', 'price').dropna()
returns = prices.pct_change().dropna()
try:
# Perform Markowitz-style portfolio optimization
weights, _, _ = optimal_portfolio(returns.T)
# Rebalance portfolio accordingly
for stock, weight in zip(prices.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(context, data):
# order(symbol('035720'), 1)
context.i += 1
if context.i < 20:
return
ma5 = history(5, '1d', 'price').mean()
ma20 = history(20, '1d', 'price').mean()
sym = symbol(context.stockCd)
record(kakao=data[sym].price, ma5=ma5[sym], ma20=ma20[sym])
if ma5[sym] > ma20[sym]:
order_target(sym, 1)
else:
order_target(sym, -1)
def handle_data(context, data):
'''
Called when a market event occurs for any of the algorithm's
securities.
Parameters
data: A dictionary keyed by security id containing the current
state of the securities in the algo's universe.
context: The same context object from the initialize function.
Stores the up to date portfolio as well as any state
variables defined.
Returns None
'''
# Allow history to accumulate 100 days of prices before trading
# and rebalance every day thereafter.
context.tick += 1
if context.tick < 100:
return
# Get rolling window of past prices and compute returns
prices = history(100, '1d', 'price').dropna()
returns = prices.pct_change().dropna()
try:
# Perform Markowitz-style portfolio optimization
weights, _, _ = optimal_portfolio(returns.T)
# Rebalance portfolio accordingly
for stock, weight in zip(prices.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def top_rets(self, tickers, win) :
hist = history(bar_count = 241, frequency='1d', field='price')
ret = ((hist/hist.shift(win)) - 1).tail(1)
mean_ret = float(np.median(ret))
max_ret = float(ret.max(axis=1))
spy_ret = float(ret[symbol(self.ticker_spy)])
lst = {}
lst['mean'] = []
lst['spy'] = []
lst['zero'] = []
lst['max'] = []
for ticker in tickers :
ticker_ret = float(ret[ticker])
if ticker_ret > mean_ret :
lst['mean'].append(ticker)
if ticker_ret > spy_ret:
lst['spy'].append(ticker)
if ticker_ret > 0:
lst['zero'].append(ticker)
if ticker_ret >= max_ret:
lst['max'].append(ticker)
return lst
def handle_data(context, data):
context.i += 1
if context.i < 300:
return
short_mvag = history(100, '1d', 'price').mean()
long_mvad = history(300, '1d', 'price').mean()
sym = symbol('AAPL')
if short_mvag[sym] > long_mvad[sym]:
order_target(sym, 100)
elif short_mvag[sym] < long_mvad[sym]:
order_target(sym, 0)
record(AAPL=data[sym].price,
short_mvag=short_mvag[sym],
long_mvad=long_mvad[sym])
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick < 200:
return
if context.tick % rebalance_period != 0:
return
# condition 1: momentum conditons, current monthly prices > 10 months MA
prices_200d = history(200, '1d', 'price').dropna()
prices_m = self.filtering(prices_200d, rebalance_period)
prices_ma_10m = pd.rolling_mean(prices_m, 10)
con1 = prices_m.tail(1) > prices_ma_10m.tail(1)
# condition 2: picking up the ETF, which outperforms the SPY
moving_win = 3
symbol_spy = symbol(self.ticker_spy)
rets_3m = (prices_m / prices_m.shift(moving_win) - 1)
rets_spy_3m = (
prices_m[symbol_spy] / prices_m[symbol_spy].shift(moving_win) - 1)
con2 = rets_3m.tail(1) > np.asarray(rets_spy_3m.tail(1))
# condition 3: picking up the ETF, which have positive returns
rets = prices_m.pct_change()
con3 = rets.tail(1) > 0
# signals
sig1 = con1
sig2 = con1 & con2
sig3 = con2 & con3
sig4 = con1 & con3
sig5 = con1 & con2 & con3
sig = sig1
# Trading
count = np.asarray(sig.sum(axis=1))
if count == 0:
weights = sig * 0.0
else:
weights = sig * 1.0 / count
weights = np.asarray(weights.fillna(0))
stocks = np.asarray(sig.columns)
try:
# Rebalance portfolio accordingly
for stock, weight in zip(stocks, weights.T):
#print 'stock={stock}:weight={weight}'.format(stock=stock, weight=weight)
order_target_percent(stock, weight)
except:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick < 200 :
return
if context.tick % rebalance_period != 0:
return
# condition 1: momentum conditons, current monthly prices > 10 months MA
prices_200d = history(200, '1d', 'price').dropna()
prices_m = self.filtering(prices_200d, rebalance_period)
prices_ma_10m = pd.rolling_mean(prices_m, 10)
con1 = prices_m.tail(1) > prices_ma_10m.tail(1)
# condition 2: picking up the ETF, which outperforms the SPY
moving_win = 3
symbol_spy = symbol(self.ticker_spy)
rets_3m = (prices_m / prices_m.shift(moving_win) - 1)
rets_spy_3m = (prices_m[symbol_spy] / prices_m[symbol_spy].shift(moving_win) - 1)
con2 = rets_3m.tail(1) > np.asarray(rets_spy_3m.tail(1))
# condition 3: picking up the ETF, which have positive returns
rets = prices_m.pct_change()
con3 = rets.tail(1) > 0
# signals
sig1 = con1
sig2 = con1 & con2
sig3 = con2 & con3
sig4 = con1 & con3
sig5 = con1 & con2 & con3
sig = sig1
# Trading
count = np.asarray(sig.sum(axis=1))
if count == 0:
weights = sig * 0.0
else :
weights = sig * 1.0 / count
weights = np.asarray(weights.fillna(0))
stocks = np.asarray(sig.columns)
try:
# Rebalance portfolio accordingly
for stock, weight in zip(stocks, weights.T):
#print 'stock={stock}:weight={weight}'.format(stock=stock, weight=weight)
order_target_percent(stock, weight)
except :
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(context, data):
# check if the spot is outside CI of MPP
day_option_df = context.options[context.options['date'] == get_datetime()]
call_sums = call_otm(day_option_df, 'FB', get_datetime())
put_sums = put_otm(day_option_df, 'FB', get_datetime())
add_to_window(context, 10, max_pain_strike(call_sums, put_sums), 'FB')
ci = CI(context.window, 1)
price = history(1, '1d', 'price').iloc[0, 0]
if price < ci[0]: order_target_percent(symbol('FB'), 1)
elif price > ci[1]: order_target_percent(symbol('FB'), 0)
def handle_data(context, data):
# check if the spot is outside CI of MPP
day_option_df = context.options[context.options['date'] == get_datetime()]
call_sums = call_otm(day_option_df, 'FB', get_datetime())
put_sums = put_otm(day_option_df, 'FB', get_datetime())
add_to_window(context, 10, max_pain_strike(call_sums, put_sums), 'FB')
ci = CI(context.window, 1)
price = history(1, '1d', 'price').iloc[0,0]
if price < ci[0]: order_target_percent(symbol('FB'), 1)
elif price > ci[1]: order_target_percent(symbol('FB'), 0)
def handle_data(context, data):
#On-Line Moving Average Reversal (OLMAR)
context.days += 1
if context.days < context.window_length:
return
if context.init:
rebalance_portfolio(context, data, context.b_t)
context.init=False
return
m = context.m #num assets
x_tilde = np.zeros(m) #relative mean deviation
b = np.zeros(m) #weights
#compute moving average price for each asset
mavgs = history(context.window_length, '1d', 'price').mean()
#mavgs = data.history(context.sids, 'price', context.window_length, '1d').mean()
for i, stock in enumerate(context.stocks):
price = data[stock]['price']
x_tilde[i] = mavgs[i] / price
x_bar = x_tilde.mean()
market_rel_dev = x_tilde - x_bar #relative deviation
exp_return = np.dot(context.b_t, x_tilde)
weight = context.eps - exp_return
variability = (np.linalg.norm(market_rel_dev))**2
if variability == 0.0:
step_size = 0
else:
step_size = np.max((0, weight/variability))
b = context.b_t + step_size * market_rel_dev
b_norm = simplex_projection(b)
rebalance_portfolio(context, data, b_norm)
context.b_t = b_norm
#save values for plotting
record(AAPL = data[symbol('AAPL')].price,
MSFT = data[symbol('MSFT')].price,
step_size = step_size,
variability = variability
)
def wait_for_data (context, data):
if context.waiting_for_data :
print ('\n{} WAITING FOR DATA...'.format(get_datetime().date()))
# wait for history to fill
max_lookback = context.max_lookback
highs = history (max_lookback, '1d', 'high')
if not highs.ix[0].sum() > 0 :
return
else:
context.waiting_for_data = False
return
def handle_data(context, data):
#On-Line Moving Average Reversal (OLMAR)
context.days += 1
if context.days < context.window_length:
return
if context.init:
rebalance_portfolio(context, data, context.b_t)
context.init = False
return
m = context.m #num assets
x_tilde = np.zeros(m) #relative mean deviation
b = np.zeros(m) #weights
#compute moving average price for each asset
mavgs = history(context.window_length, '1d', 'price').mean()
#mavgs = data.history(context.sids, 'price', context.window_length, '1d').mean()
for i, stock in enumerate(context.stocks):
price = data[stock]['price']
x_tilde[i] = mavgs[i] / price
x_bar = x_tilde.mean()
market_rel_dev = x_tilde - x_bar #relative deviation
exp_return = np.dot(context.b_t, x_tilde)
weight = context.eps - exp_return
variability = (np.linalg.norm(market_rel_dev))**2
if variability == 0.0:
step_size = 0
else:
step_size = np.max((0, weight / variability))
b = context.b_t + step_size * market_rel_dev
b_norm = simplex_projection(b)
rebalance_portfolio(context, data, b_norm)
context.b_t = b_norm
#save values for plotting
record(AAPL=data[symbol('AAPL')].price,
MSFT=data[symbol('MSFT')].price,
step_size=step_size,
variability=variability)
def handle_data(context, data):
context.i += 1
if context.i < 20:
return
ma5 = history(5,'1d','price').mean()
ma20 = history(20, '1d', 'price').mean()
buy = False
sell = False
sym = symbol('HMD')
if ma5[sym] > ma20[sym] and context.investment == False:
order_target(sym, 1)
context.investment = True
buy = True
elif ma5[sym] < ma20[sym] and context.investment == True:
order_target(sym, -1)
context.investment = False
sell = True
record(HMD=data[sym].price, ma5=ma5[sym], ma20=ma20[sym], buy=buy, sell=sell)
def handle_data(self, context, data):
# Implement your algorithm logic here.
# data[sid(X)] holds the trade event data for that security.
# context.portfolio holds the current portfolio state.
# Place orders with the order(SID, amount) method.
# TODO: implement your own logic here.
context.trade_days += 1
if context.trade_days <> 5 :
return
context.trade_days = 0
## checking the market status:
## if SPY > price one year ago, Market is in uptrend
## otherwise, market is in downtrend
hist = history(bar_count = 241, frequency='1d', field='price')
cash = context.portfolio.cash
current_price_spy = data[symbol(self.ticker_spy)].price
try:
if current_price_spy > hist[symbol(self.ticker_spy)][200] :
lst = self.top_rets(context.equities, 240)
lst_mean = lst['zero']
count = len(lst_mean)
for ticker in sector_tickers:
if ticker in lst_mean:
order_target_percent(symbol(ticker), 1.0/count)
else :
order_target_percent(symbol(ticker), 0)
order_target_percent(symbol(self.ticker_gld), 0)
order_target_percent(symbol(self.ticker_tlt), 0)
else :
for ticker in sector_tickers:
order_target_percent(symbol(ticker), 0)
order_target_percent(symbol(self.ticker_spy), 0)
order_target_percent(symbol(self.ticker_gld), 0.5)
order_target_percent(symbol(self.ticker_tlt), 0.5)
except:
pass
def handle_data(context, data):
prices = history(bar_count = context.historical_bars, frequency='1d', field='price')
print prices
##Carrying last 100d prices
for stock in context.stocks:
try:
ma1 = data[stock].mavg(50)
ma2 = data[stock].mavg(200)
start_bar = context.feature_window
price_list = prices[stock].tolist()
X = []
y = []
bar = start_bar
# feature creation
while bar < len(price_list)-1:
try:
end_price = price_list[bar+1]
begin_price = price_list[bar]
pricing_list = []
xx = 0
for _ in range(context.feature_window):
price = price_list[bar-(context.feature_window-xx)]
pricing_list.append(price)
xx += 1
features = np.around(np.diff(pricing_list) / pricing_list[:-1] * 100.0, 1)
#print(features)
if end_price > begin_price:
label = 1
else:
label = -1
bar += 1
X.append(features)
y.append(label)
except Exception as e:
bar += 1
print(('feature creation',str(e)))
clf = RandomForestClassifier()
last_prices = price_list[-context.feature_window:]
current_features = np.around(np.diff(last_prices) / last_prices[:-1] * 100.0, 1)
X.append(current_features)
X = preprocessing.scale(X)
current_features = X[-1]
X = X[:-1]
clf.fit(X,y)
p = clf.predict(current_features)[0]
print(('Prediction',p))
except Exception as e:
print(str(e))
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices = history(120, '1d', 'price').dropna()
returns = prices.pct_change().dropna()
try:
weights = self.MOM(returns.T)
for stock, weight in zip(prices.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
pass
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices = history(120, '1d', 'price').dropna()
returns = prices.pct_change().dropna()
try:
weights = self.MOM(returns.T)
for stock, weight in zip(prices.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
pass
def handle_data(context, data):
context.day_count += 1
if context.day_count < 100:
return
prices = history(950, '1d', 'price').dropna()
security_index = 0;
daily_returns = np.zeros((len(context.stocks), 950))
for security in context.stocks:
if data.has_key(security):
for day in range(0, 99):
day_of = prices[security][day]
day_before = prices[security][day - 1]
daily_returns[security_index][day] = (day_of - day_before) / day_before
security_index = security_index + 1
covars = cov(daily_returns)
covars = covars * 250
###########################################################
returns = prices.pct_change().dropna()
bnds = ((0,1),(0,1),(0,1),(0,1),(0,1),(0,1),(0,1),(0,1),(0,1),(0,1))
cons = ({'type': 'eq', 'fun': lambda x: np.sum(x)-1.0})
res = scipy.optimize.minimize(compute_var,
context.x0,
cov(daily_returns)*255,
method='SLSQP',
constraints=cons,
bounds=bnds)
allocation = res.x
allocation[allocation < 0] = 0 # jamais de vente, que des achats
denom = np.sum(allocation)
if denom != 0:
allocation = allocation/denom
context.x0 = allocation
record(stocks=np.sum(allocation[0:-1]))
record(bonds=allocation[-1])
for i, stock in enumerate(context.stocks):
order_target_percent(stock, allocation[i])
def handle_data(self, context, data):
# Implement your algorithm logic here.
# data[sid(X)] holds the trade event data for that security.
# context.portfolio holds the current portfolio state.
# Place orders with the order(SID, amount) method.
# TODO: implement your own logic here.
context.trade_days += 1
if context.trade_days <> 5:
return
context.trade_days = 0
## checking the market status:
## if SPY > price one year ago, Market is in uptrend
## otherwise, market is in downtrend
hist = history(bar_count=241, frequency='1d', field='price')
cash = context.portfolio.cash
current_price_spy = data[symbol(self.ticker_spy)].price
try:
if current_price_spy > hist[symbol(self.ticker_spy)][200]:
lst = self.top_rets(context.equities, 240)
lst_mean = lst['zero']
count = len(lst_mean)
for ticker in sector_tickers:
if ticker in lst_mean:
order_target_percent(symbol(ticker), 1.0 / count)
else:
order_target_percent(symbol(ticker), 0)
order_target_percent(symbol(self.ticker_gld), 0)
order_target_percent(symbol(self.ticker_tlt), 0)
else:
for ticker in sector_tickers:
order_target_percent(symbol(ticker), 0)
order_target_percent(symbol(self.ticker_spy), 0)
order_target_percent(symbol(self.ticker_gld), 0.5)
order_target_percent(symbol(self.ticker_tlt), 0.5)
except:
pass
def handle_data(context, data):
day_option_df = context.options[context.options['date'] == get_datetime()]
call_options = day_option_df[day_option_df['type'] == 'C']
################################## classifier stuff happens somewhere here
call_options_good = call_options # call_options_good is the classified call_options
##################################
# purchase the options that we think will end up in the money (could also modify this to give weight to it)
for index, row in call_options_good.iterrows():
context.bought_options = rbind(context.bought_options, row)
cash -= row['price']
# exercise expiring options that we've bought (assuming strike price is lower than expiration price)
expiring_calls = context.bought_options[context.bought_options['expiration'] == get_datetime()]
for index, row in expiring_calls.iterrows():
price = history(symbol(row['ticker']), '1d', 'price').iloc[0,0]
cash += 100*max(price - row['strike'], 0) # assuming 100:1 ratio equity:option
def handle_data(context, data):
# 获取股票的收盘价
close_data = history(12,'1d','close')
# 取得过去五天的平均价格
ma5 = close_data[-6:-2].mean()
# 取得过去10天的平均价格
ma10 = close_data[-11:-2].mean()
# 取得当前的现金
print get_datetime(),ma5,ma10
cash = context.portfolio.cash
#print ma5[sid(symbol(context.security))],ma10[sid(stock)],cash,symbol(context.security)
#如果当前有余额，并且五日均线大于十日均线
if ma5[sid(symbol(context.security))] > ma10[sid(symbol(context.security))]:
order_value(symbol(context.security), cash)
# 如果五日均线小于十日均线，并且目前有头寸
elif ma5[sid(symbol(context.security))] < ma10[sid(symbol(context.security))]:
# 全部卖出
order_target(symbol(context.security), 0)
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices = history(60, '1d', 'price').dropna()
returns = prices.pct_change().dropna()
try:
# Perform Markowitz-style portfolio optimization
weights = self.vol_weighting(returns.T)
# Rebalance portfolio accordingly
for stock, weight in zip(prices.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def generate_strat_data (context, data) :
print ('\n{} GENERATING STRAT_DATA...'.format(get_datetime().date()))
# if ENVIRONMENT != 'IDE':
# wait_for_data(context, data)
# if context.waiting_for_data :
# return
for item in ['high', 'open_price', 'low', 'close_price', 'volume', 'price']:
context.strat_data[item] = history(context.max_lookback, '1d', item)
# need to do this to keep talib happy
context.strat_data['open'] = context.strat_data['open_price']
context.strat_data['close'] = context.strat_data['close_price']
# return a dataframe for each transform
for transform in context.algo_transforms :
panel = apply_transform(context, transform)
context.strat_data = {i: panel[i] for i in panel.items}
def handle_data(self, context, data):
rebalance_period = 20
context.tick += 1
if context.tick % rebalance_period != 0:
return
# Get rolling window of past prices and compute returns
prices = history(60, '1d', 'price').dropna()
returns = prices.pct_change().dropna()
try:
# Perform Markowitz-style portfolio optimization
weights = self.vol_weighting(returns.T)
# Rebalance portfolio accordingly
for stock, weight in zip(prices.columns, weights):
order_target_percent(stock, weight)
except ValueError as e:
# Sometimes this error is thrown
# ValueError: Rank(A) < p or Rank([P; A; G]) < n
pass
def handle_data(context, data):
logging.debug('enter handle_data')
context.i += 1
if context.i < context.rsi_window:
return
# get the last RSI value
prices = history(context.rsi_window, '1d', 'price')
sec_rsi = talib.RSI(
prices[context.security].values,
timeperiod=context.rsi_window - 1)
# buy and sell flags
buy = False
sell = False
if sec_rsi[-1] < context.LOW_RSI and not context.invested:
# RSI under 30 indicates oversold, time to buy
order_target(context.security, 1000)
logging.debug('Buying {}'.format(context.security))
context.invested = True
buy = True
elif sec_rsi[-1] > context.HIGH_RSI and context.invested:
# RSI over 70 indicates overbought, sell everything
order_target(context.security, 0)
logging.debug('Selling {}'.format(context.security))
context.invested = False
sell = True
# record data for each time increment
record(secRSI=sec_rsi[-1],
price=data[context.security].price,
buy=buy,
sell=sell)
logging.info(context.portfolio.cash)
def handle_data(context, data):
prices = history(bar_count = context.historical_bars, frequency='1d', field='open')
print prices
def handle_data(context, data):
# Skip first 300 days to get full windows
context.n += 1
if context.n < 359:
return
context.day += 1
if context.day < 7:
return
# Compute averages
# history() has to be called with the same params
# from above and returns a pandas dataframe.
historical_data =history(365, '1d', 'price')
pastReturns = (historical_data - historical_data.shift(-1)) / historical_data.shift(-1)
short_mavg = history(42, '1d', 'price').mean()
long_mavg = history(84, '1d', 'price').mean()
diff = short_mavg / long_mavg - 1
diff = diff.dropna()
diff.sort()
buys = diff [diff > 0.03]
sells = diff[diff < -0.03]
buy_length = min(context.stocks_to_long, len(buys))
short_length = min(context.stocks_to_short, len(sells))
buy_weight = 1.0/buy_length if buy_length != 0 else 0
short_weight = -1.0/short_length if short_length != 0 else 0
buys.sort(ascending=False)
sells.sort()
buys = buys.iloc[:buy_length] if buy_weight != 0 else None
sells = sells.iloc[:short_length] if short_weight != 0 else None
stops = historical_data.iloc[-1] * 0.05
for i in range(len(context.syms)):
#: If the security exists in our sells.index then sell
if sells is not None and context.syms[i] in sells.index:
#print ('SHORT: %s'%context.syms[i])
order_target_percent(context.syms[i], short_weight)
#print 'sell'
#: If the security instead, exists in our buys index, buy
elif buys is not None and context.syms[i] in buys.index:
# print ('BUYS: %s'%context.syms[i])
order_target_percent(context.syms[i], buy_weight)
#print 'nothing'
#: If the security is in neither list, exit any positions we might have in that security
else:
order_target(context.syms[i], 0)
context.day = 0
# Keep track of the number of long and short positions in the portfolio
longs = shorts = 0
for position in context.portfolio.positions.itervalues():
if position.amount > 0:
longs += 1
if position.amount < 0:
shorts += 1
record(short_mavg=short_mavg[context.syms[1]], long_mavg=long_mavg[context.syms[1]], portfoliovalue = (context.portfolio.returns), long_count=longs, short_count=shorts)
def svr_trading(context, data):
# Historical data, lets get the past days close prices for
pastPrice = history(bar_count=context.history_len, frequency='1d', field='price')
# Make predictions on universe
for stock in data:
# Make sure this stock has no existing orders or positions to simplify our portfolio handling.
if check_if_no_conflicting_orders(stock) and context.portfolio.positions[stock].amount == 0:
#This is a scoring system for our model, we only trade when confident our model is wicked awesome
full_series = np.array(pastPrice[stock].values)
l = context.out_of_sameple_bin_size
power = 1 #N where X^n for weight function
# Create bins of X len to hold as out of sample data, average score(error) of these is a decent measure of fit.
prediction_history = []
for i in np.arange(context.history_len/context.out_of_sameple_bin_size):
#Index of current in same, and out of sample data.
# 3 cases of this slicing
if i == 0:
#First run, only two bins to work with(First OOSD bin, and the rest of the data)
ISD = full_series[l:]
OOSD = full_series[:l]
X = np.arange(l,len(full_series))
# use a variable weight (~0 - 1.0)
weight_training = np.power(np.arange(l,len(full_series),dtype=float), power)[::-1]/np.power(np.arange(l,len(full_series),dtype=float), power)[::-1].max()
# use a variable weight, focus on next day prediction (~0 - 1.0 - ~0)
weight_score = np.concatenate((np.power(np.arange(1,l+1,dtype=float), power)/np.power(np.arange(1,l+1,dtype=float), power).max(),
np.power(np.arange(l+1,len(full_series)+1,dtype=float), power)[::-1]/np.power(np.arange(l+1,len(full_series)+2,dtype=float), power)[::-1].max()))
"""print len (weight_training)
print weight_training
print len (weight_score)
print weight_score
print exit()"""
elif i == context.history_len/context.out_of_sameple_bin_size - 1:
#Last run, only two bins to work with(Last OOSD bin, and the rest of the data)
ISD = full_series[:-l]
OOSD = full_series[-l:]
X = np.arange(0,len(full_series)-l)
# use a variable weight (~0 - 1.0)
weight_training = np.power(np.arange(l,len(full_series),dtype=float)+1, power)/np.power(np.arange(l,len(full_series),dtype=float)+1, power).max()
# use a variable weight, focus on next day prediction (~0 - 1.0 - ~0)
weight_score = np.concatenate((np.power(np.arange(1,len(full_series)-l+1,dtype=float), power)/np.power(np.arange(1,len(full_series)-l+2,dtype=float), power).max(),
np.power(np.arange(1,l+1,dtype=float), power)[::-1]/np.power(np.arange(1,l+1,dtype=float), power)[::-1].max()))
"""print len (weight_training)
print weight_training
print len (weight_score)
print weight_score
print exit()"""
else:
#Any other run, we have a sandwhich of OOSD in the middle of two ISD sets so we need to aggregate.
ISD = np.concatenate((full_series[:(l*i)], full_series[l*(i+1):]))
OOSD = full_series[l*i:l*(i+1)]
X = np.concatenate(( np.arange(0,(l*i)), np.arange(l*(i+1),len(full_series)) ))
# use a variable weight (~0 - 1.0)
weight_training = np.concatenate(( np.power(np.arange(1, l*i+1, dtype=float), power)/np.power(np.arange(1, l*i+1, dtype=float), power).max(),
np.power(np.arange(l*(i+1), len(full_series), dtype=float), power)[::-1]/np.power(np.arange(l*(i+1), len(full_series),dtype=float), power)[::-1].max() ))
# use a variable weight, focus on next day prediction (~0 - 1.0 - ~0)
weight_score = np.concatenate(( np.power(np.arange(1, l*(i+1)+1, dtype=float), power)/np.power(np.arange(1, l*(i+1)+1, dtype=float), power).max(),
np.power(np.arange(l*(i+1), len(full_series), dtype=float), power)[::-1]/np.power(np.arange(l*(i+1), len(full_series)+1, dtype=float), power)[::-1].max() ))
"""print len (weight_training)
print weight_training
print len (weight_score)
print weight_score
exit()"""
# Domain and range of training data
#X = np.arange(len(ISD))
X = np.atleast_2d(X).T
y = ISD
# Domain of prediction set
#x = np.atleast_2d(np.linspace(0, len(ISD)+len(OOSD)-1, len(ISD)+len(OOSD))).T
#x = np.atleast_2d(np.linspace(len(ISD) ,len(ISD)+len(OOSD)-1, len(OOSD))).T
x = np.atleast_2d(np.linspace(0, len(full_series)-1, len(full_series))).T
# epsilon-Support Vector Regression using scikit-learn
# Read more here: http://scikit-learn.org/stable/modules/generated/sklearn.svm.SVR.html
SVR_model = SVR(kernel='rbf', C=100, gamma=.01)
SVR_model.fit(X,y, weight_training)
y_predSVR = SVR_model.predict(x)
if np.isnan(full_series).any() or np.isinf(full_series).any():
print(stock + " Failed due to data INF or NAN")
y_score = 0
break
else:
y_score = SVR_model.score(x, full_series)#, sample_weight=weight_score) #y_predSVR[-len(OOSD):] np.atleast_2d(y_predSVR).T
#log.debug(y_score)
prediction_history.append(y_score)
score = np.mean(y_score)
# If we are studying one stock, lets plot its correlation regression results
if len(data) == 1:
record(Ideal=1.0, Score=score) #Slope=slope, R_value=r
# Store the prediction for comparison with the rest of the universe
# Measure accuracy as the mean of the distance to the ideal value of
# the r2 and slope from past vs predicted price correlation regression
if score >= context.score_filter:
#The model was accepted, make a forecast
#form domain and range of test data(we leave no out of sameple data out since we already scored the model)
X = np.arange(context.history_len)
X = np.atleast_2d(X).T
y = np.array(pastPrice[stock].values)
# Domain of predection set. We only need to predict the next close price.
x = np.atleast_2d(np.linspace(len(y), len(y), 1)).T
"""log.debug(X)
log.debug(len(X))
log.debug(x)
log.debug(len(x))
exit()"""
# use a linearly peaking weight, focus on next day prediction (~0 - 1.0 - ~0)
#weight_training = np.power(np.arange(1,context.history_len+1, dtype=float), power)/np.power(np.arange(1,context.history_len+1, dtype=float), power).max()
#weight_training = np.exp(np.arange(1,context.history_len+1, dtype=float))/np.exp(np.arange(1,context.history_len+1, dtype=float)).max()
# epsilon-Support Vector Regression using scikit-learn
# Read more here: http://scikit-learn.org/stable/modules/generated/sklearn.svm.SVR.html
SVR_model = SVR(kernel='rbf', C=100, gamma=.01)
SVR_model.fit(X, y)#, weight_training)
y_predSVR = SVR_model.predict(x)
context.next_pred_price[stock] = y_predSVR[-1]
else:
#Case where stock is left in dict and we dont want to use it, so remove it.
if stock in context.next_pred_price:
del context.next_pred_price[stock]
# Count number of trades so we can split the availible cash properly
number_of_trades_today = 0
for stock in data:
# Make sure this stock has no existing orders or positions to simplify our portfolio handling
# Also check that we have a prediction stored in the dict
if check_if_no_conflicting_orders(stock) and \
context.portfolio.positions[stock].amount == 0 and \
stock in context.next_pred_price:
# If we plan to move on this stock, take count of it(explained more in actual buy statement below)(Make sure these match both buy statements.
if (percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) >= context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) >= context.action_to_move_percent) or \
(percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) <= -context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) <= -context.action_to_move_percent):
number_of_trades_today += 1
#
#Lets use record to plot how many securities are traded on each day.
if len(data) >= 2:
record(number_of_stocks_traded=number_of_trades_today)
#Make buys and shorts if the predicted close change is bigger than our tollerance, same with current price to avoid opening gaps.
for stock in data:
# Make sure this stock has no existing orders or positions to simplify our portfolio handling
# Also check that we have a prediction stored in the dict
if check_if_no_conflicting_orders(stock) and context.portfolio.positions[stock].amount == 0 and stock in context.next_pred_price:
#Go long if we predict the close price will change more(upward) than our tollerance,
# apply same filter against current price vs predicted close in case of gap up/down.
if percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) >= context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) >= context.action_to_move_percent:
# Place an order, and store the ID to fetch order info
orderId = order_target_percent(stock, 1.0/number_of_trades_today)
# How many shares did we just order, since we used target percent of availible cash to place order not share count.
shareCount = get_order(orderId).amount
# We can add a timeout time on the order.
#context.duration[orderId] = exchange_time + timedelta(minutes=5)
# We need to calculate our own inter cycle portfolio snapshot as its not updated till next cycle.
value_of_open_orders(context, data)
availibleCash = context.portfolio.cash-context.cashCommitedToBuy-context.cashCommitedToSell
print("+ BUY {0:,d} of {1:s} at ${2:,.2f} for ${3:,.2f} / ${4:,.2f} @ {5:s}"\
.format(shareCount,
stock,data[stock]['price'],
data[stock]['price']*shareCount,
availibleCash,
context.exchange_time))
#Go short if we predict the close price will change more(downward) than our tollerance,
# apply same filter against current price vs predicted close incase of gap up/down.
elif percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) <= -context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) <= -context.action_to_move_percent:
#orderId = order_target_percent(stock, -1.0/len(data))
orderId = order_target_percent(stock, -1.0/number_of_trades_today)
# How many shares did we just order, since we used target percent of availible cash to place order not share count.
shareCount = get_order(orderId).amount
# We can add a timeout time on the order.
#context.duration[orderId] = exchange_time + timedelta(minutes=5)
# We need to calculate our own inter cycle portfolio snapshot as its not updated till next cycle.
value_of_open_orders(context, data)
availibleCash = context.portfolio.cash-context.cashCommitedToBuy+context.cashCommitedToSell
print("- SHORT {0:,d} of {1:s} at ${2:,.2f} for ${3:,.2f} / ${4:,.2f} @ {5:s}"\
.format(shareCount,
stock,data[stock]['price'],
data[stock]['price']*shareCount,
availibleCash,
context.exchange_time))
def svr_trading(context, data):
# Historical data, lets get the past days close prices for
pastPrice = history(bar_count=context.history_len,
frequency='1d',
field='price')
# Make predictions on universe
for stock in data:
# Make sure this stock has no existing orders or positions to simplify our portfolio handling.
if check_if_no_conflicting_orders(
stock) and context.portfolio.positions[stock].amount == 0:
#This is a scoring system for our model, we only trade when confident our model is wicked awesome
full_series = np.array(pastPrice[stock].values)
l = context.out_of_sameple_bin_size
power = 1 #N where X^n for weight function
# Create bins of X len to hold as out of sample data, average score(error) of these is a decent measure of fit.
prediction_history = []
for i in np.arange(context.history_len /
context.out_of_sameple_bin_size):
#Index of current in same, and out of sample data.
# 3 cases of this slicing
if i == 0:
#First run, only two bins to work with(First OOSD bin, and the rest of the data)
ISD = full_series[l:]
OOSD = full_series[:l]
X = np.arange(l, len(full_series))
# use a variable weight (~0 - 1.0)
weight_training = np.power(
np.arange(l, len(full_series), dtype=float),
power)[::-1] / np.power(
np.arange(l, len(full_series), dtype=float),
power)[::-1].max()
# use a variable weight, focus on next day prediction (~0 - 1.0 - ~0)
weight_score = np.concatenate((
np.power(np.arange(1, l + 1, dtype=float), power) /
np.power(np.arange(1, l + 1, dtype=float),
power).max(),
np.power(
np.arange(l + 1, len(full_series) + 1,
dtype=float), power)[::-1] /
np.power(
np.arange(l + 1, len(full_series) + 2,
dtype=float), power)[::-1].max()))
"""print len (weight_training)
print weight_training
print len (weight_score)
print weight_score
print exit()"""
elif i == context.history_len / context.out_of_sameple_bin_size - 1:
#Last run, only two bins to work with(Last OOSD bin, and the rest of the data)
ISD = full_series[:-l]
OOSD = full_series[-l:]
X = np.arange(0, len(full_series) - l)
# use a variable weight (~0 - 1.0)
weight_training = np.power(
np.arange(l, len(full_series), dtype=float) + 1,
power) / np.power(
np.arange(l, len(full_series), dtype=float) + 1,
power).max()
# use a variable weight, focus on next day prediction (~0 - 1.0 - ~0)
weight_score = np.concatenate((
np.power(
np.arange(1, len(full_series) - l + 1,
dtype=float), power) /
np.power(
np.arange(1, len(full_series) - l + 2,
dtype=float), power).max(),
np.power(np.arange(1, l + 1, dtype=float), power)[::-1]
/ np.power(np.arange(1, l + 1, dtype=float),
power)[::-1].max()))
"""print len (weight_training)
print weight_training
print len (weight_score)
print weight_score
print exit()"""
else:
#Any other run, we have a sandwhich of OOSD in the middle of two ISD sets so we need to aggregate.
ISD = np.concatenate(
(full_series[:(l * i)], full_series[l * (i + 1):]))
OOSD = full_series[l * i:l * (i + 1)]
X = np.concatenate((np.arange(0, (l * i)),
np.arange(l * (i + 1),
len(full_series))))
# use a variable weight (~0 - 1.0)
weight_training = np.concatenate((
np.power(np.arange(1, l * i + 1, dtype=float), power) /
np.power(np.arange(1, l * i + 1, dtype=float),
power).max(),
np.power(
np.arange(
l * (i + 1), len(full_series), dtype=float),
power)[::-1] / np.power(
np.arange(l * (i + 1),
len(full_series),
dtype=float), power)[::-1].max()))
# use a variable weight, focus on next day prediction (~0 - 1.0 - ~0)
weight_score = np.concatenate(
(np.power(np.arange(1, l *
(i + 1) + 1, dtype=float), power) /
np.power(np.arange(1, l * (i + 1) + 1, dtype=float),
power).max(),
np.power(
np.arange(
l * (i + 1), len(full_series), dtype=float),
power)[::-1] / np.power(
np.arange(l * (i + 1),
len(full_series) + 1,
dtype=float), power)[::-1].max()))
"""print len (weight_training)
print weight_training
print len (weight_score)
print weight_score
exit()"""
# Domain and range of training data
#X = np.arange(len(ISD))
X = np.atleast_2d(X).T
y = ISD
# Domain of prediction set
#x = np.atleast_2d(np.linspace(0, len(ISD)+len(OOSD)-1, len(ISD)+len(OOSD))).T
#x = np.atleast_2d(np.linspace(len(ISD) ,len(ISD)+len(OOSD)-1, len(OOSD))).T
x = np.atleast_2d(
np.linspace(0,
len(full_series) - 1, len(full_series))).T
# epsilon-Support Vector Regression using scikit-learn
# Read more here: http://scikit-learn.org/stable/modules/generated/sklearn.svm.SVR.html
SVR_model = SVR(kernel='rbf', C=100, gamma=.01)
SVR_model.fit(X, y, weight_training)
y_predSVR = SVR_model.predict(x)
if np.isnan(full_series).any() or np.isinf(full_series).any():
print(stock + " Failed due to data INF or NAN")
y_score = 0
break
else:
y_score = SVR_model.score(
x, full_series
) #, sample_weight=weight_score) #y_predSVR[-len(OOSD):] np.atleast_2d(y_predSVR).T
#log.debug(y_score)
prediction_history.append(y_score)
score = np.mean(y_score)
# If we are studying one stock, lets plot its correlation regression results
if len(data) == 1:
record(Ideal=1.0, Score=score) #Slope=slope, R_value=r
# Store the prediction for comparison with the rest of the universe
# Measure accuracy as the mean of the distance to the ideal value of
# the r2 and slope from past vs predicted price correlation regression
if score >= context.score_filter:
#The model was accepted, make a forecast
#form domain and range of test data(we leave no out of sameple data out since we already scored the model)
X = np.arange(context.history_len)
X = np.atleast_2d(X).T
y = np.array(pastPrice[stock].values)
# Domain of predection set. We only need to predict the next close price.
x = np.atleast_2d(np.linspace(len(y), len(y), 1)).T
"""log.debug(X)
log.debug(len(X))
log.debug(x)
log.debug(len(x))
exit()"""
# use a linearly peaking weight, focus on next day prediction (~0 - 1.0 - ~0)
#weight_training = np.power(np.arange(1,context.history_len+1, dtype=float), power)/np.power(np.arange(1,context.history_len+1, dtype=float), power).max()
#weight_training = np.exp(np.arange(1,context.history_len+1, dtype=float))/np.exp(np.arange(1,context.history_len+1, dtype=float)).max()
# epsilon-Support Vector Regression using scikit-learn
# Read more here: http://scikit-learn.org/stable/modules/generated/sklearn.svm.SVR.html
SVR_model = SVR(kernel='rbf', C=100, gamma=.01)
SVR_model.fit(X, y) #, weight_training)
y_predSVR = SVR_model.predict(x)
context.next_pred_price[stock] = y_predSVR[-1]
else:
#Case where stock is left in dict and we dont want to use it, so remove it.
if stock in context.next_pred_price:
del context.next_pred_price[stock]
# Count number of trades so we can split the availible cash properly
number_of_trades_today = 0
for stock in data:
# Make sure this stock has no existing orders or positions to simplify our portfolio handling
# Also check that we have a prediction stored in the dict
if check_if_no_conflicting_orders(stock) and \
context.portfolio.positions[stock].amount == 0 and \
stock in context.next_pred_price:
# If we plan to move on this stock, take count of it(explained more in actual buy statement below)(Make sure these match both buy statements.
if (percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) >= context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) >= context.action_to_move_percent) or \
(percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) <= -context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) <= -context.action_to_move_percent):
number_of_trades_today += 1
#
#Lets use record to plot how many securities are traded on each day.
if len(data) >= 2:
record(number_of_stocks_traded=number_of_trades_today)
#Make buys and shorts if the predicted close change is bigger than our tollerance, same with current price to avoid opening gaps.
for stock in data:
# Make sure this stock has no existing orders or positions to simplify our portfolio handling
# Also check that we have a prediction stored in the dict
if check_if_no_conflicting_orders(
stock) and context.portfolio.positions[
stock].amount == 0 and stock in context.next_pred_price:
#Go long if we predict the close price will change more(upward) than our tollerance,
# apply same filter against current price vs predicted close in case of gap up/down.
if percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) >= context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) >= context.action_to_move_percent:
# Place an order, and store the ID to fetch order info
orderId = order_target_percent(stock,
1.0 / number_of_trades_today)
# How many shares did we just order, since we used target percent of availible cash to place order not share count.
shareCount = get_order(orderId).amount
# We can add a timeout time on the order.
#context.duration[orderId] = exchange_time + timedelta(minutes=5)
# We need to calculate our own inter cycle portfolio snapshot as its not updated till next cycle.
value_of_open_orders(context, data)
availibleCash = context.portfolio.cash - context.cashCommitedToBuy - context.cashCommitedToSell
print("+ BUY {0:,d} of {1:s} at ${2:,.2f} for ${3:,.2f} / ${4:,.2f} @ {5:s}"\
.format(shareCount,
stock,data[stock]['price'],
data[stock]['price']*shareCount,
availibleCash,
context.exchange_time))
#Go short if we predict the close price will change more(downward) than our tollerance,
# apply same filter against current price vs predicted close incase of gap up/down.
elif percent_change(context.next_pred_price[stock], pastPrice[stock][-1]) <= -context.action_to_move_percent and \
percent_change(context.next_pred_price[stock], data[stock]['price']) <= -context.action_to_move_percent:
#orderId = order_target_percent(stock, -1.0/len(data))
orderId = order_target_percent(stock,
-1.0 / number_of_trades_today)
# How many shares did we just order, since we used target percent of availible cash to place order not share count.
shareCount = get_order(orderId).amount
# We can add a timeout time on the order.
#context.duration[orderId] = exchange_time + timedelta(minutes=5)
# We need to calculate our own inter cycle portfolio snapshot as its not updated till next cycle.
value_of_open_orders(context, data)
availibleCash = context.portfolio.cash - context.cashCommitedToBuy + context.cashCommitedToSell
print("- SHORT {0:,d} of {1:s} at ${2:,.2f} for ${3:,.2f} / ${4:,.2f} @ {5:s}"\
.format(shareCount,
stock,data[stock]['price'],
data[stock]['price']*shareCount,
availibleCash,
context.exchange_time))
def handle_data(self, context, data):
context.tick += 1
total_window = self.train_win + self.nn_win + 1
if context.tick < (total_window):
return
try :
# print 'tick = {t}'.format(t = context.tick)
price = history(total_window - 1, '1d', 'price').dropna()
df_price = pd.DataFrame(data=price.values, index=price.index, columns=['close'])
features, target = self.create_features(df_price, self.nn_win)
features_insample = features.iloc[(self.nn_win -1):-1, :].values
target_insample = target.iloc[(self.nn_win -1):-1, :].values.ravel()
features_oosample = features.iloc[-1, :]
features_oosample = features_oosample.values.reshape([1, len(features_oosample)])
ATR = self.atr.loc[price.index[-1], :][0]
symbol = price.columns[0]
if self.enable_stoploss:
if data[symbol].price < context.longstop:
print 'Stop Loss '
order_target_percent(symbol, 0.0)
context.longstop = 0.0
return
if self.ml == 'SVM' :
### Training the SVM
from sklearn import svm
model_svm = svm.SVC()
model_svm.fit(features_insample, target_insample)
preds_svm = model_svm.predict(features_oosample)[0]
if preds_svm < 0.5:
#print "Sell "
order_target_percent(symbol, 0.0)
context.longstop = 0.0
else :
#print "Buy"
order_target_percent(symbol, 1.0)
context.longstop = max(context.longstop, data[symbol].price * (1 - 0.7*ATR))
print "target sl = {n}".format(n=context.longstop)
if self.ml == 'KNN' :
### Training the SVM
from sklearn import neighbors
k = 10
model_knn = neighbors.KNeighborsClassifier(k, 'distance')
model_knn.fit(features_insample, target_insample)
preds_knn = model_knn.predict(features_oosample)[0]
if preds_knn < 0.5:
#print "Sell "
order_target_percent(symbol, 0.0)
else :
#print "Buy"
order_target_percent(symbol, 1.0)
record('price', data[symbol]['price'])
except :
pass