def backtest(self, prices, ref_prices, params):
m = params["m"]
x = params["x"]
interval = params[Ct.interval_key()]
mon_ret_df = Financials.pct_change(prices)
p_return = IntradayResistanceBreakout.calculate(mon_ret_df, m, x)
cagr_params = {Ct.interval_key(): interval}
cagr = CAGR.get_cagr(p_return, cagr_params)
sharpe_params = {"rf": 0.025, Ct.interval_key(): interval}
sharpe = Sharpe.get_sharpe(p_return, sharpe_params)
max_dd = MaxDrawdown.get_max_drawdown(p_return)
# calculating overall strategy's KPIs
mon_ret_df = Financials.pct_change(ref_prices)
cagr_ref = CAGR.get_cagr(mon_ret_df, cagr_params)
sharpe_params = {"rf": 0.025, Ct.interval_key(): interval}
sharpe_ref = Sharpe.get_sharpe(mon_ret_df, sharpe_params)
max_dd_ref = MaxDrawdown.get_max_drawdown(mon_ret_df)
print("CAGR - Portfolio: {}".format(cagr[Ct.cagr_key()]["mon_ret"]))
print("Sharpe - Portfolio: {}".format(
sharpe[Ct.sharpe_key()]["mon_ret"]))
print("MAX-Drawdown - Portfolio: {}".format(
max_dd[Ct.max_drawdown_key()]["mon_ret"]))
print("CAGR - Ref: {}".format(cagr_ref[Ct.cagr_key()]["^DJI"]))
print("Sharpe - Ref: {}".format(sharpe_ref[Ct.sharpe_key()]["^DJI"]))
print("MAX-Drawdown - Ref: {}".format(
max_dd_ref[Ct.max_drawdown_key()]["^DJI"]))
IntradayResistanceBreakout.plot(p_return, mon_ret_df)
def get_sortino(input_df, params=None):
if params is None:
params = {}
if "rf" not in params.keys():
# USA: risk free rate
params = {"rf": 0.0144}
rf = params["rf"]
"function to calculate Sortino ratio ; rf is the risk free rate"
cagr = CAGR.get_cagr(input_df, params)
vol_params = params
vol_params[Ct.neg_volatility_key()] = True
neg_vol = Volatility.get_volatility(input_df, vol_params)
result_df = pd.DataFrame()
result_df[Sortino.kpi_name] = (cagr.loc[:, Ct.cagr_key()] -
rf) / neg_vol.loc[:,
Ct.volatility_key()]
result_df.rename(index={0: Sortino.kpi_name}, inplace=True)
return result_df
def get_volatility(input_df, params=None):
"""function to calculate annualized volatility of a trading strategy"""
if params is None:
raise ValueError("Please set the corresponding Interval parameter"
"{interval:Ct.INTERVAL.MONTH|Ct.INTERVAL.DAY}")
if Ct.neg_volatility_key() not in params.keys():
params[Ct.neg_volatility_key()] = False
reference_days = KPI.get_reference_days(params)
negative = params[Ct.neg_volatility_key()]
df = input_df.copy()
df.columns = df.columns.droplevel(1)
result_df = pd.DataFrame()
# Whole volatility was calculated
if negative is False:
result_df[Volatility.kpi_name] = (df.std() *
np.sqrt(reference_days))
else:
df_neg = df.where(df < 0, 0)
result_df[Volatility.kpi_name] = (df_neg.std() *
np.sqrt(reference_days))
return result_df
def calculate(self):
"""function to calculate On Balance Volume"""
super().calculate()
daily_ret_key = Constants.get_key("daily_ret")
direction_key = Constants.get_key("direction")
volume_adjusted_key = Constants.get_key("vol_adj")
df_result = []
for ticker in self.tickers:
df_data = self.df[ticker].copy()
df_data[daily_ret_key] = df_data[self.prices_key].pct_change()
df_data[direction_key] = np.where(df_data[daily_ret_key] >= 0, 1,
-1)
df_data.iloc[0].at[direction_key] = 0
df_data[volume_adjusted_key] = df_data[
self.volume_key] * df_data[direction_key]
df_data[self.indicator_key] = df_data[volume_adjusted_key].cumsum()
df_result.append(df_data.loc[:, [self.indicator_key]])
self.df = pd.concat(df_result, axis=1, keys=self.tickers)
return self.df
def set_input_data(self, df):
super().set_input_data(df)
# Set dataFrame keys
self.low_key = Constants.get_low_key()
self.high_key = Constants.get_high_key()
self.indicator_key = Constants.get_key("ADX")
prices_temp = pd.DataFrame()
df_list = []
for ticker in self.tickers:
if ticker in df:
df_list.append(
pd.concat([
df[ticker].
loc[:, [self.low_key, self.high_key, self.prices_key]],
prices_temp
],
axis=1,
keys=[ticker]))
df_indicator = pd.concat(df_list, axis=1)
self.df = df_indicator.copy()
def get_calmar(input_df, params=None):
"""function to calculate Calmar"""
if params is None:
params = {}
cagr = CAGR.get_cagr(input_df, params)
max_dd = MaxDrawdown.get_max_drawdown(input_df)
result_df = pd.DataFrame()
result_df[Calmar.kpi_name] = (cagr[Ct.cagr_key()] /
max_dd[Ct.max_drawdown_key()])
return result_df
def set_input_data(self, df):
super().set_input_data(df)
self.low_key = Constants.get_low_key()
self.high_key = Constants.get_high_key()
self.open_key = Constants.get_open_key()
# Set dataframe keys
prices_temp = pd.DataFrame()
df_list = []
for ticker in self.tickers:
if ticker in df:
df_temp = df[ticker].loc[:, [
self.high_key, self.low_key, self.open_key, self.prices_key
]]
df_list.append(
pd.concat([df_temp, prices_temp], axis=1, keys=[ticker]))
df_indicator = pd.concat(df_list, axis=1)
self.df = df_indicator.copy()
prices_temp = pd.DataFrame()
df_list = []
for ticker in self.tickers:
df_temp = df[ticker]
df_temp.reset_index(level=0, inplace=True)
df_temp = df_temp.loc[:, [
self.date_key, self.high_key, self.low_key, self.open_key,
self.prices_key
]] # TODO: Is this rebundant???
df_temp.rename(columns={
"Date": "date",
self.high_key: "high",
self.low_key: "low",
self.open_key: "open",
self.prices_key: "close"
},
inplace=True)
df_list.append(
pd.concat([df_temp, prices_temp], axis=1, keys=[ticker]))
df_indicator = pd.concat(df_list, axis=1)
self.df_renko_input = df_indicator.copy()
class CAGR(KPI):
kpi_name = Ct.cagr_key()
def __init__(self, params=None):
super().__init__(params)
if not params:
self.params = {}
def calculate(self, df, params=None):
""""function to calculate the Cumulative Annual Growth Rate of a trading strategy"""
super().calculate(df, params)
self.result = CAGR.get_cagr(df, self.params)
return self.result
# Params: {period:Ct.INTERVAL.MONTH|Ct.INTERVAL.DAY}
# DF should be a percentage change
@staticmethod
def get_cagr(input_df, params=None):
""""function to calculate the Cumulative Annual Growth Rate of a trading strategy"""
reference_days = KPI.get_reference_days(params)
df = input_df.copy()
df.columns = df.columns.droplevel(1)
cagr_data = (1 + df).cumprod()
n = len(cagr_data) / reference_days
result_df = pd.DataFrame()
result_df[CAGR.kpi_name] = cagr_data.iloc[-1]**(1 / n) - 1
return result_df
def calculate(self):
"""function to convert ohlc data into renko bricks"""
super().calculate()
df_result = []
for ticker in self.tickers:
df_data_atr = self.df[[ticker]].copy()
atr = ATR(df_data_atr, 120)
df_atr = atr.calculate()
df_data = self.df_renko_input[ticker].copy()
self.df_renko = Renko(df_data)
atr_key = Constants.get_key("ATR")
self.df_renko.brick_size = round(df_atr[ticker][atr_key][-1], 0)
self.brick_size = self.df_renko.brick_size
# renko_df = df2.get_bricks() #if get_bricks() does not work try using get_ohlc_data() instead
self.renko_data = self.df_renko.get_ohlc_data()
df_result.append(self.renko_data)
self.df = pd.concat(df_result, axis=1, keys=self.tickers)
return self.df
class Calmar(KPI):
kpi_name = Ct.calmar_key()
def __init__(self, params=None):
super().__init__(params)
if not params:
self.params = {}
def calculate(self, df, params=None):
super().calculate(df, params)
self.result = Calmar.get_calmar(df, self.params)
return self.result
@staticmethod
def get_calmar(input_df, params=None):
"""function to calculate Calmar"""
if params is None:
params = {}
cagr = CAGR.get_cagr(input_df, params)
max_dd = MaxDrawdown.get_max_drawdown(input_df)
result_df = pd.DataFrame()
result_df[Calmar.kpi_name] = (cagr[Ct.cagr_key()] /
max_dd[Ct.max_drawdown_key()])
return result_df
class MaxDrawdown(KPI):
kpi_name = Constants.max_drawdown_key()
def __init__(self, params=None):
super().__init__(params)
if not params:
self.params = {}
def calculate(self, df, params=None):
super().calculate(df)
self.result = MaxDrawdown.get_max_drawdown(df)
return self.result
@staticmethod
def get_max_drawdown(input_df):
""" function to calculate max drawdown" """
df = input_df.copy()
df.columns = df.columns.droplevel(1)
cumprod_df = (1 + df).cumprod()
cum_roll_max_df = cumprod_df.cummax()
drawdown_df = cum_roll_max_df - cumprod_df
drawdown_pct_df = drawdown_df / cum_roll_max_df
result_df = pd.DataFrame()
result_df[MaxDrawdown.kpi_name] = drawdown_pct_df.max()
return result_df
def get_reference_days(params):
if Ct.interval_key() in params.keys():
period = params[Ct.interval_key()]
else:
raise ValueError(
"Please set the corresponding Interval parameter"
"{Ct.interval_key(): interval:Ct.INTERVAL.MONTH|Ct.INTERVAL.DAY}"
)
if period == Ct.INTERVAL.DAY:
# 252 trading days
reference_days = 252
else:
# 12 months
reference_days = 12
return reference_days
def get_standard_input_data(df):
if df is None:
raise ValueError("Error: Dataframe has not been provided, there is no data to calculate the requested KPI")
input_data = {}
# Set dataFrame keys
adj_close_key = Constants.get_adj_close_key()
close_key = Constants.get_close_key()
if adj_close_key in df.columns is True:
prices_key = adj_close_key
else:
prices_key = close_key
prices_temp = pd.DataFrame()
#TODO: Create a utilities class
df.columns = pd.MultiIndex.from_tuples(df.columns.values)
tickers = df.columns.levels[0]
df_list = []
for ticker in tickers:
df_list.append(
pd.concat(
[df[ticker].loc[:, [prices_key]], prices_temp],
axis=1,
keys=[ticker]
)
)
input_df =\
pd.concat(
df_list,
axis=1
)
input_data[Constants.get_prices_key()] = prices_key
input_data[Constants.get_tickers_key()] = tickers
input_data[Constants.get_input_df_key()] = input_df
return input_data
def test_login(self, setup):
self.logger.info(
"******************** Test_003_AddCustomer ********************")
self.driver = setup
self.driver.get(self.baseURL)
self.driver.maximize_window()
self.loginPage = LoginPage(self.driver)
self.loginPage.setUserName(self.username)
self.loginPage.setPassword(self.password)
self.loginPage.clickLogin()
time.sleep(5)
print("********** Login Successful **********")
self.addCustomer = AddCustomer(self.driver)
self.addCustomer.clickCustomers()
self.addCustomer.clickSubMenuCustomers()
self.addCustomer.clickAddNewCustomer()
time.sleep(5)
self.logger.info(
"******************** Providing Customer Information ********************"
)
print("********** Providing Customer Information **********")
self.email = Constants.random_email_generator()
self.addCustomer.inputEmail(self.email)
self.addCustomer.inputPassword("test123")
self.addCustomer.inputFirstName("Bright")
self.addCustomer.inputLastName("Brightest")
self.addCustomer.selectGender(Constants.MALE)
self.addCustomer.inputDateOfBirth("7/05/1985")
self.addCustomer.inputCompanyName("NTTData GmbH")
self.addCustomer.inputCustomerRoles(Constants.GUESTS)
self.addCustomer.selectManagerVendor(Constants.VENDORS_TWO)
self.addCustomer.inputAdminContent("This is for testing purposes only")
self.driver.save_screenshot(".\\Screenshots\\" + "first_run.png")
self.addCustomer.clickSaveButton()
self.msg = self.driver.find_element_by_tag_name("body").text
# print(self.msg)
if 'customer has been added successfully.' in self.msg:
assert True
self.logger.info("********* Add customer Test Passed *********")
else:
self.driver.save_screenshot(
".\\Screenshots\\" + "test_addCustomer_scr.png") # Screenshot
self.logger.error(
"********* Add customer Test Failed ************")
assert False
self.driver.close()
self.logger.info("******* Ending Add customer test **********")
def get_sharpe(input_df, params):
""" function to calculate sharpe """
if params is None:
params = {}
if "rf" not in params.keys():
# USA: risk free rate
params["rf"] = 0.0144
rf = params["rf"]
"function to calculate sharpe ratio ; rf is the risk free rate"
cagr = CAGR.get_cagr(input_df, params)
volatility = Volatility.get_volatility(input_df, params)
result_df = pd.DataFrame()
result_df[Sharpe.kpi_name] = (cagr.loc[:, Ct.cagr_key()] -
rf) / volatility.loc[:,
Ct.volatility_key()]
return result_df
def set_input_data(self, df):
super().set_input_data(df)
# Set dataFrame keys
self.bb_up_key = Constants.get_key("BB_up")
self.bb_down_key = Constants.get_key("BB_down")
self.bb_width_key = Constants.get_key("BB_width")
prices_temp = pd.DataFrame()
df_list = []
for ticker in self.tickers:
if ticker in df:
df_list.append(
pd.concat(
[df[ticker].loc[:, [self.prices_key]], prices_temp],
axis=1,
keys=[ticker]))
df_indicator = pd.concat(df_list, axis=1)
self.df = df_indicator.copy()
def calculate(self):
"""function to calculate RSI
typical values n=14"""
super().calculate()
delta_key = Constants.get_key("delta")
gain_key = Constants.get_key("gain")
loss_key = Constants.get_key("loss")
avg_gain_key = Constants.get_key("avg_gain")
avg_loss_key = Constants.get_key("avg_loss")
rs_key = Constants.get_key("RS")
df_result = []
for ticker in self.tickers:
df_data = self.df[ticker].copy()
df_data[delta_key] = df_data[self.prices_key] - df_data[
self.prices_key].shift(1)
df_data[gain_key] = np.where(df_data[delta_key] >= 0,
df_data[delta_key], 0)
df_data[loss_key] = np.where(df_data[delta_key] < 0,
abs(df_data[delta_key]), 0)
avg_gain = []
avg_loss = []
gain = df_data[gain_key].tolist()
loss = df_data[loss_key].tolist()
for i in range(len(df_data)):
if i < self.n:
avg_gain.append(np.NaN)
avg_loss.append(np.NaN)
elif i == self.n:
avg_gain.append(df_data[gain_key].rolling(
self.n).mean().tolist()[self.n])
avg_loss.append(df_data[loss_key].rolling(
self.n).mean().tolist()[self.n])
elif i > self.n:
avg_gain.append(
((self.n - 1) * avg_gain[i - 1] + gain[i]) / self.n)
avg_loss.append(
((self.n - 1) * avg_loss[i - 1] + loss[i]) / self.n)
df_data[avg_gain_key] = np.array(avg_gain)
df_data[avg_loss_key] = np.array(avg_loss)
df_data[rs_key] = df_data[avg_gain_key] / df_data[avg_loss_key]
df_data[self.indicator_key] = 100 - (100 / (1 + df_data[rs_key]))
df_result.append(df_data.loc[:, [self.indicator_key]])
self.df = pd.concat(df_result, axis=1, keys=self.tickers)
return self.df
class Sortino(KPI):
kpi_name = Ct.sortino_key()
# RF is risk free rate
def __init__(self, params=None):
super().__init__(params)
if not params:
self.params = {}
def calculate(self, df, params=None):
super().calculate(df, params)
self.result = Sortino.get_sortino(df, self.params)
return self.result
@staticmethod
def get_sortino(input_df, params=None):
if params is None:
params = {}
if "rf" not in params.keys():
# USA: risk free rate
params = {"rf": 0.0144}
rf = params["rf"]
"function to calculate Sortino ratio ; rf is the risk free rate"
cagr = CAGR.get_cagr(input_df, params)
vol_params = params
vol_params[Ct.neg_volatility_key()] = True
neg_vol = Volatility.get_volatility(input_df, vol_params)
result_df = pd.DataFrame()
result_df[Sortino.kpi_name] = (cagr.loc[:, Ct.cagr_key()] -
rf) / neg_vol.loc[:,
Ct.volatility_key()]
result_df.rename(index={0: Sortino.kpi_name}, inplace=True)
return result_df
def get_prices_data(self, keys=None):
if keys is None or len(keys) == 0:
print("No keys has been specified. All keys were selected. ")
keys = {
Ct.high_key(): True,
Ct.low_key(): True,
Ct.open_key(): True,
Ct.close_key(): True,
Ct.adj_close_key(): True,
Ct.volume_key(): True
}
method_tag = "get_prices_data"
if self.data_source_historical is not None:
if self.data_source_historical.prices is None or self.data_source_historical.prices.empty is True:
raise ValueError(
"No historical data available, call method self.get_historical_data() first"
)
key_titles = self.get_key_titles(keys)
if len(key_titles) > 0:
prices = self.data_source_historical.get_prices(
self.tickers, key_titles)
else:
print("{} - There are no prices information, for ticker:{}".
format(method_tag, self.tickers))
raise ValueError
else:
print("There has been an error in {}".format(method_tag))
raise ValueError
# Validate Price dataframe
if prices.empty == True:
print("There has been an error in {}".format(method_tag))
raise ValueError
self.price_info = prices
return prices
class Sharpe(KPI):
kpi_name = Ct.sharpe_key()
# rf = Risk free rate
def __init__(self, params=None):
super().__init__(params)
if not params:
self.params = {}
def calculate(self, df, params=None):
super().calculate(df, params)
self.result = Sharpe.get_sharpe(df, self.params)
return self.result
@staticmethod
def get_sharpe(input_df, params):
""" function to calculate sharpe """
if params is None:
params = {}
if "rf" not in params.keys():
# USA: risk free rate
params["rf"] = 0.0144
rf = params["rf"]
"function to calculate sharpe ratio ; rf is the risk free rate"
cagr = CAGR.get_cagr(input_df, params)
volatility = Volatility.get_volatility(input_df, params)
result_df = pd.DataFrame()
result_df[Sharpe.kpi_name] = (cagr.loc[:, Ct.cagr_key()] -
rf) / volatility.loc[:,
Ct.volatility_key()]
return result_df
def calculate(self):
"""function to calculate Bollinger Bands"""
super().calculate()
# Set temp dataframe keys
ma_key = Constants.get_key("MA")
df_data = pd.DataFrame()
df_result = []
for ticker in self.tickers:
df_data = self.df[ticker].copy()
#df_data.rename(columns={self.ticker: self.prices_key}, inplace=True) #TODO: what happens with this
df_data[ma_key] = \
df_data[self.prices_key].rolling(self.n).mean()
# ddof=0 is required since we want to take the standard deviation of the population and not sample
df_data[self.bb_up_key] = \
df_data[ma_key] + 2 * df_data[self.prices_key].rolling(self.n).std(ddof=0)
# ddof=0 is required since we want to take the standard deviation of the population and not sample
df_data[self.bb_down_key] = \
df_data[ma_key] - 2 * df_data[self.prices_key].rolling(self.n).std(ddof=0)
df_data[self.bb_width_key] = df_data[self.bb_up_key] - df_data[
self.bb_down_key]
df_data.dropna(inplace=True)
df_result.append(df_data.loc[:,
[self.bb_up_key, self.bb_down_key]])
self.df = pd.concat(df_result, axis=1, keys=self.tickers)
return df_data
def calculate(self):
""""function to calculate ADX"""
super().calculate()
tr_key = Constants.get_key("TR")
trn_key = Constants.get_key("TRn")
dm_plus_key = Constants.get_key("DMplus")
dm_plus_n_key = Constants.get_key("DMplusN")
dm_minus_key = Constants.get_key("DMminus")
dm_minus_n_key = Constants.get_key("DMminusN")
di_plus_n_key = Constants.get_key("DIplusN")
di_minus_n_key = Constants.get_key("DIminusN")
di_diff_key = Constants.get_key("DIdiff")
di_sum_key = Constants.get_key("DIsum")
dx_key = Constants.get_key("DX")
df_result = []
for ticker in self.tickers:
df_data_atr = self.df[[ticker]].copy()
atr_ind = ATR(df=df_data_atr, n=14)
df_data = self.df[ticker].copy()
# the period parameter of ATR function does not matter because period does not influence TR calculation
df_data[tr_key] = atr_ind.calculate()[ticker][[tr_key]]
df_data[dm_plus_key] = \
np.where(
(df_data[self.high_key] - df_data[self.high_key].shift(1)) >
(df_data[self.low_key].shift(1) - df_data[self.low_key]),
df_data[self.high_key] - df_data[self.high_key].shift(1),
0)
df_data[dm_plus_key] = \
np.where(
df_data[dm_plus_key] < 0,
0,
df_data[dm_plus_key])
df_data[dm_minus_key] = \
np.where((df_data[self.low_key].shift(1) - df_data[self.low_key]) >
(df_data[self.high_key] - df_data[self.high_key].shift(1)),
df_data[self.low_key].shift(1) - df_data[self.low_key],
0)
df_data[dm_minus_key] = np.where(df_data[dm_minus_key] < 0, 0,
df_data[dm_minus_key])
TRn = []
DMplusN = []
DMminusN = []
TR = df_data[tr_key].tolist()
DMplus = df_data[dm_plus_key].tolist()
DMminus = df_data[dm_minus_key].tolist()
for i in range(len(df_data)):
if i < self.n:
TRn.append(np.NaN)
DMplusN.append(np.NaN)
DMminusN.append(np.NaN)
elif i == self.n:
TRn.append(df_data[tr_key].rolling(
self.n).sum().tolist()[self.n])
DMplusN.append(df_data[dm_plus_key].rolling(
self.n).sum().tolist()[self.n])
DMminusN.append(df_data[dm_minus_key].rolling(
self.n).sum().tolist()[self.n])
elif i > self.n:
TRn.append(TRn[i - 1] - (TRn[i - 1] / 14) + TR[i])
DMplusN.append(DMplusN[i - 1] - (DMplusN[i - 1] / 14) +
DMplus[i])
DMminusN.append(DMminusN[i - 1] - (DMminusN[i - 1] / 14) +
DMminus[i])
df_data[trn_key] = np.array(TRn)
df_data[dm_plus_n_key] = np.array(DMplusN)
df_data[dm_minus_n_key] = np.array(DMminusN)
df_data[di_plus_n_key] = 100 * (df_data[dm_plus_n_key] /
df_data[trn_key])
df_data[di_minus_n_key] = 100 * (df_data[dm_minus_n_key] /
df_data[trn_key])
df_data[di_diff_key] = abs(df_data[di_plus_n_key] -
df_data[di_minus_n_key])
df_data[
di_sum_key] = df_data[di_plus_n_key] + df_data[di_minus_n_key]
df_data[dx_key] = 100 * (df_data[di_diff_key] /
df_data[di_sum_key])
ADX = []
DX = df_data[dx_key].tolist()
for j in range(len(df_data)):
if j < 2 * self.n - 1:
ADX.append(np.NaN)
elif j == 2 * self.n - 1:
ADX.append(df_data[dx_key][j - self.n + 1:j + 1].mean())
elif j > 2 * self.n - 1:
ADX.append(((self.n - 1) * ADX[j - 1] + DX[j]) / self.n)
df_data[self.indicator_key] = np.array(ADX)
df_result.append(df_data.loc[:, [self.indicator_key]])
self.df = pd.concat(df_result, axis=1, keys=self.tickers)
return self.df
def get_atr(input_df, params=None):
n = params["n"]
# Set temp dataframe keys
h_l_key = Ct.get_key("H-L")
h_pc_key = Ct.get_key("H-PC")
l_pc_key = Ct.get_key("L-PC")
tr_key = Ct.get_key("TR")
df_data = input_df.copy()
df_data.columns = df_data.columns.droplevel(1)
df_data[h_l_key] = abs(df_data[Ct.high_key()] - df_data[Ct.low_key()])
df_data[h_pc_key] = abs(df_data[Ct.high_key()] -
df_data[Ct.prices_key()].shift(1))
df_data[l_pc_key] = abs(df_data[Ct.low_key()] -
df_data[Ct.prices_key()].shift(1))
df_data[tr_key] = df_data[[h_l_key, h_pc_key,
l_pc_key]].max(axis=1, skipna=False)
df_data[Ct.atr_key()] = df_data[tr_key].rolling(n).mean()
# df[Ct.atr_key()] = df[tr_key].ewm(span=n,adjust=False,min_periods=n).mean()
# df_data.dropna(inplace=True, axis=0)
df_data.drop([h_l_key, h_pc_key, l_pc_key], axis=1, inplace=True)
result_df = pd.DataFrame()
result_df.append(df_data.loc[:, [Ct.atr_key(), tr_key]])
return result_df
def test_intra_day(self):
# DJI constituent stocks
tickers = ["MMM", "AXP", "T", "BA", "CAT", "CSCO", "KO", "XOM", "GE",
"GS", "HD", "IBM", "INTC", "JNJ", "JPM", "MCD", "MRK", "MSFT",
"NKE", "PFE", "PG", "TRV", "UNH", "VZ", "V", "WMT", "DIS"]
ref_tickers = ["^DJI"]
end_date = dt.datetime.now() # dt.datetime(2021, 3, 7)
interval = Ct.INTERVAL.MONTH
conf = {
Ct.tickers_key(): tickers,
Ct.historical_type_key(): DATASOURCETYPE.YFINANCE,
Ct.fundamentals_type_key(): None,
Ct.fundamentals_options_key(): [],
Ct.force_fundamentals_key(): False,
Ct.indicators_key(): [],
Ct.start_date_key(): end_date - dt.timedelta(3650),
Ct.end_date_key(): end_date,
Ct.interval_key(): interval,
Ct.period_key(): None,
Ct.bulk_key(): True
}
stocks = \
StocksFactory.create_stocks(
conf=conf
)
conf[Ct.tickers_key()] = ref_tickers
stocks_ref = \
StocksFactory.create_stocks(
conf=conf
)
prices_df = stocks[0].get_prices_data(keys={Ct.adj_close_key(): True})
ref_prices_df = stocks_ref[0].get_prices_data(keys={Ct.adj_close_key(): True})
pr = PortfolioRebalance()
params = {"m": 6, "x": 3, Ct.interval_key(): conf[Ct.interval_key()]}
pr.backtest(prices_df, ref_prices_df, params)
def create_stocks(conf):
tickers = conf[Ct.tickers_key()]
data_source_historical = None
data_source_fundamentals = None
data_sources = \
DataCollector.get_data_sources(
conf[Ct.historical_type_key()],
conf[Ct.fundamentals_type_key()]
)
if DataCollector.HISTORICAL_KEY in data_sources.keys():
data_source_historical = data_sources[DataCollector.HISTORICAL_KEY]
if data_source_historical is not None:
data_source_historical.extract_historical_data(
tickers=tickers,
start_date=conf[Ct.start_date_key()],
end_date=conf[Ct.end_date_key()],
period=conf[Ct.period_key()],
interval=conf[Ct.interval_key()])
if DataCollector.FUNDAMENTALS_KEY in data_sources.keys():
data_source_fundamentals = data_sources[
DataCollector.FUNDAMENTALS_KEY]
if data_source_fundamentals is not None:
data_source_fundamentals.extract_fundamentals(
tickers=tickers,
date=conf[Ct.start_date_key],
required_elements=conf[Ct.fundamentals_options_key()],
force_server_data=conf[Ct.force_fundamentals_key()])
stocks = StocksFactory.load_stocks(
tickers=tickers,
data_source_historical=data_source_historical,
data_source_fundamentals=data_source_fundamentals,
bulk=conf[Ct.bulk_key()],
indicators=conf[Ct.indicators_key()])
return stocks
def plot_stock(self, stock, tickers=None, collapse_indicators=False):
Plotter.legend_id = 0
Plotter.current_color_indicator = 0
if stock is None:
print("There is no ticker Information, nothing to be plot")
return
if tickers is None:
tickers = stock.tickers
elif isinstance(tickers, list) is True:
tickers = tickers
else:
tickers = [tickers]
if self.fig is None or self.axes_main is None or self.axes_indicators is None:
if stock.price_info is None or stock.price_info[tickers].empty:
raise ValueError(
"There is no price information for this stock")
adj_close_key = Constants.get_adj_close_key()
volume_key = Constants.get_volume_key()
self.price_series = {}
self.volume_series = {}
self.x_series = {}
for ticker in tickers:
if (adj_close_key in stock.price_info[ticker]) == False:
adj_close_key = Constants.get_close_key()
self.x_series[ticker] = stock.price_info[ticker].iloc[
-self.period:, :].index
self.price_series[ticker] = stock.price_info[ticker].iloc[
-self.period:, :][adj_close_key]
self.volume_series[ticker] = stock.price_info[ticker].iloc[
-self.period:, :][volume_key]
self.axes_main = dict()
self.axes_indicators = dict()
if len(stock.indicators) == 0:
subplots = 1
elif len(stock.indicators) > 0 and collapse_indicators is True:
extra = len(
list(
filter(
lambda x: x.collapse is False or x.in_main_plot
is False, stock.indicators)))
no_collapse = len(
list(
filter(
lambda x: x.collapse is False and x.
in_main_plot is False, stock.indicators)))
if no_collapse > 0:
no_collapse = no_collapse - 1
fixed = 2
if extra == 0:
fixed = 1
subplots = fixed + no_collapse
else:
subplots = len(
list(
filter(lambda x: x.in_main_plot is False,
stock.indicators))) + 1
heights_list = [2 for i in range(subplots - 1)]
if subplots == 1:
heights_list.insert(0, 2)
else:
heights_list.insert(0, 3)
self.fig = plt.figure(figsize=(8, 6), dpi=80)
gridspec = self.fig.add_gridspec(ncols=1,
nrows=subplots,
height_ratios=heights_list)
# gridspec_kw = {'height_ratios': heights_list}
self.axes_main[Constants.volume_axis] = self.fig.add_subplot(
gridspec[0, 0])
self.set_volume(ticker=ticker)
self.set_stock_price(ticker=ticker, color=self.stock_color)
i = 1 # Indicator axis begins in 2
indicator_axis = None
Plotter.legend_id = 0
for indicator in stock.indicators:
if indicator.in_main_plot is False:
if collapse_indicators == True:
if i > 1:
if indicator.collapse is False:
self.axes_indicators = self.fig.add_subplot(
gridspec[i, 0])
indicator_axis = self.axes_indicators
else:
indicator_axis = indicator_axis.twinx()
else: # Executed first
self.axes_indicators = \
self.fig.add_subplot(
gridspec[i, 0],
sharex=self.axes_main[Constants.prices_axis])
indicator_axis = self.axes_indicators
else:
Plotter.legend_id = 0
sharex = None
if indicator.collapse is True:
sharex = self.axes_main[Constants.prices_axis]
self.axes_indicators = \
self.fig.add_subplot(
gridspec[i, 0],
sharex=sharex)
indicator_axis = self.axes_indicators
if indicator_axis is None:
indicator_axis = self.axes_indicators
i += 1
else:
indicator_axis = self.axes_main[Constants.prices_axis]
self.set_plot_indicator(indicator=indicator,
ticker=ticker,
axis=indicator_axis)
plt.tight_layout()
def test_KPI_calmar(self):
tickers = ["TSLA", "SPY"]
interval = Ct.INTERVAL.DAY
conf = {
Ct.tickers_key(): tickers,
Ct.historical_type_key(): DATASOURCETYPE.YFINANCE,
Ct.fundamentals_type_key(): None,
Ct.fundamentals_options_key(): [],
Ct.force_fundamentals_key(): False,
Ct.indicators_key(): [],
Ct.start_date_key(): dt.datetime(2021, 3, 7) - dt.timedelta(1825),
Ct.end_date_key(): dt.datetime(2021, 3, 7),
Ct.interval_key(): interval,
Ct.period_key(): None,
Ct.bulk_key(): True
}
stocks = \
StocksFactory.create_stocks(
conf=conf
)
prices_df = stocks[0].get_prices_data(keys={Ct.adj_close_key(): True})
df = Financials.pct_change(prices_df)
params = {Ct.interval_key(): interval}
calmar = Calmar()
result = calmar.calculate(df, params)
self.assertEqual(1.1700790532917946, result[Ct.calmar_key()]['TSLA'])
def test_KPI_max_drawdown(self):
tickers = ["TSLA", "SPY"]
interval = Ct.INTERVAL.DAY
conf = {
Ct.tickers_key(): tickers,
Ct.historical_type_key(): DATASOURCETYPE.YFINANCE,
Ct.fundamentals_type_key(): None,
Ct.fundamentals_options_key(): [],
Ct.force_fundamentals_key(): False,
Ct.indicators_key(): [],
Ct.start_date_key(): dt.datetime(2021, 3, 7) - dt.timedelta(1825),
Ct.end_date_key(): dt.datetime(2021, 3, 7),
Ct.interval_key(): interval,
Ct.period_key(): None,
Ct.bulk_key(): True
}
stocks = \
StocksFactory.create_stocks(
conf=conf
)
prices_df = stocks[0].get_prices_data(keys={Ct.adj_close_key(): True})
df = Financials.pct_change(prices_df)
md = MaxDrawdown()
result = md.calculate(df)
self.assertEqual(0.6062653645917145,
result[Ct.max_drawdown_key()]['TSLA'])
self.assertEqual(0.3371725544013077,
result[Ct.max_drawdown_key()]['SPY'])
