end = datetime.datetime.utcnow()
start_date = end.replace(hour=0, minute=0, second=0, microsecond=0) # Returns a copy
time_series_request = TimeSeriesRequest(
start_date = start_date, # start date
finish_date = datetime.datetime.utcnow(), # finish date
freq = 'intraday', # intraday data
data_source = 'bloomberg', # use Bloomberg as data source
tickers = ['EURUSD'] , # ticker (Thalesians)
fields = ['close'], # which fields to download
vendor_tickers = ['EURUSD BGN Curncy'], # ticker (Bloomberg)
vendor_fields = ['close'], # which Bloomberg fields to download
cache_algo = 'internet_load_return') # how to return data
ltsf = LightTimeSeriesFactory()
df = ltsf.harvest_time_series(time_series_request)
df.columns = [x.replace('.close', '') for x in df.columns.values]
gp = GraphProperties()
gp.title = 'EURUSD stuff!'
gp.file_output = 'EURUSD.png'
gp.source = 'Thalesians/BBG (created with PyThalesians Python library)'
pf = PlotFactory()
pf.plot_line_graph(df, adapter = 'pythalesians', gp = gp)
pytwitter.update_status("check out my plot of EUR/USD!", picture = gp.file_output)
df = tsc.create_mult_index_from_prices(daily_vals) df = df.fillna(method='ffill') # Lastly we can plot the results! We shall plot it with the PlotFactory class using PyThalesians engine (a wrapper on top of matplotlib). We can specify the properties of the plot using a GraphProperties class. The first line, forces matplotlib to give us the plot in the notebook, as opposed to a separate window. # In[ ]: get_ipython().magic(u'matplotlib inline') from pythalesians.graphics.graphs.plotfactory import PlotFactory from pythalesians.graphics.graphs.graphproperties import GraphProperties gp = GraphProperties() gp.source = 'Thalesians/BBG (created with PyThalesians Python library)' gp.title = 'Equity Markets' gp.scale_factor = 1 gp.display_legend = True gp.x_title = 'Dates' gp.y_title = 'Index' pf = PlotFactory() pf.plot_line_graph(df, adapter = 'pythalesians', gp = gp) # In[ ]:
short_dates = df[["EURUSDV1M", "USDJPYV1M"]]
long_dates = df[["EURUSDV1Y", "USDJPYV1Y"]]
short_dates, long_dates = short_dates.align(long_dates,
join='left',
axis=0)
slope = pandas.DataFrame(data=short_dates.values - long_dates.values,
index=short_dates.index,
columns=["EURUSDV1M-1Y", "USDJPYV1M-1Y"])
# resample fand calculate average over month
slope_monthly = slope.resample('M', how='mean')
slope_monthly.index = [
str(x.year) + '/' + str(x.month) for x in slope_monthly.index
]
pf = PlotFactory()
gp = GraphProperties()
gp.source = 'Thalesians/BBG'
gp.title = 'Vol slopes in EUR/USD and USD/JPY recently'
gp.scale_factor = 2
gp.display_legend = True
gp.chart_type = 'bar'
gp.x_title = 'Dates'
gp.y_title = 'Pc'
# plot using Cufflinks
pf.plot_bar_graph(slope_monthly, adapter='bokeh', gp=gp)
vendor_tickers=vendor_tickers, # ticker (Bloomberg)
vendor_fields=["PX_LAST"], # which Bloomberg fields to download
cache_algo="internet_load_return",
) # how to return data
daily_vals = ltsf.harvest_time_series(time_series_request)
# resample for end of month
daily_vals = daily_vals.resample("BM")
daily_vals = daily_vals / daily_vals.shift(1) - 1
daily_vals.index = [str(x.year) + "/" + str(x.month) for x in daily_vals.index]
daily_vals = daily_vals.drop(daily_vals.head(1).index)
pf = PlotFactory()
gp = GraphProperties()
gp.source = "Thalesians/BBG"
gp.html_file_output = "output_data/equities.htm"
gp.title = "Recent monthly changes in equity markets"
gp.scale_factor = 2
gp.display_legend = True
gp.chart_type = ["bar", "scatter", "line"]
gp.x_title = "Dates"
gp.y_title = "Pc"
# plot using Bokeh then PyThalesians
pf.plot_bar_graph(daily_vals * 100, adapter="bokeh", gp=gp)
pf.plot_bar_graph(daily_vals * 100, adapter="pythalesians", gp=gp)
tickers = tickers, # ticker (Thalesians)
fields = ['close'], # which fields to download
vendor_tickers = vendor_tickers, # ticker (Bloomberg)
vendor_fields = ['PX_LAST'], # which Bloomberg fields to download
cache_algo = 'internet_load_return') # how to return data
daily_vals = ltsf.harvest_time_series(time_series_request)
# resample for end of month
daily_vals = daily_vals.resample('BM')
daily_vals = daily_vals / daily_vals.shift(1) - 1
daily_vals.index = [str(x.year) + '/' + str(x.month) for x in daily_vals.index]
daily_vals = daily_vals.drop(daily_vals.head(1).index)
pf = PlotFactory()
gp = GraphProperties()
gp.source = 'Thalesians/BBG'
gp.html_file_output = "output_data/equities.htm"
gp.title = 'Recent monthly changes in equity markets'
gp.scale_factor = 2
gp.display_legend = True
gp.chart_type = ['bar', 'scatter', 'line']
gp.x_title = 'Dates'
gp.y_title = 'Pc'
# plot using Bokeh then PyThalesians
pf.plot_bar_graph(daily_vals * 100, adapter = 'bokeh', gp = gp)
pf.plot_bar_graph(daily_vals * 100, adapter = 'pythalesians', gp = gp)
cache_algo = 'internet_load_return') # how to return data
ltsf = LightTimeSeriesFactory()
asset_df = ltsf.harvest_time_series(time_series_request)
spot_df = asset_df
logger.info("Running backtest...")
# use technical indicator to create signals
# (we could obviously create whatever function we wanted for generating the signal dataframe)
tech_ind = TechIndicator()
tech_ind.create_tech_ind(spot_df, indicator, tech_params); signal_df = tech_ind.get_signal()
# use the same data for generating signals
cash_backtest.calculate_trading_PnL(br, asset_df, signal_df)
port = cash_backtest.get_cumportfolio()
port.columns = [indicator + ' = ' + str(tech_params.sma_period) + ' ' + str(cash_backtest.get_portfolio_pnl_desc()[0])]
signals = cash_backtest.get_porfolio_signal()
# print the last positions (we could also save as CSV etc.)
print(signals.tail(1))
pf = PlotFactory()
gp = GraphProperties()
gp.title = "Thalesians FX trend strategy"
gp.source = 'Thalesians/BBG (calc with PyThalesians Python library)'
gp.scale_factor = 3
gp.file_output = 'output_data/FX-trend-example.png'
pf.plot_line_graph(port, adapter = 'pythalesians', gp = gp)
cache_algo = 'internet_load_return') # how to return data
ltsf = LightTimeSeriesFactory()
asset_df = ltsf.harvest_time_series(time_series_request)
spot_df = asset_df
logger.info("Running backtest...")
# use technical indicator to create signals
# (we could obviously create whatever function we wanted for generating the signal dataframe)
tech_ind = TechIndicator()
tech_ind.create_tech_ind(spot_df, indicator, tech_params); signal_df = tech_ind.get_signal()
# use the same data for generating signals
cash_backtest.calculate_trading_PnL(br, asset_df, signal_df)
port = cash_backtest.get_cumportfolio()
port.columns = [indicator + ' = ' + str(tech_params.sma_period) + ' ' + str(cash_backtest.get_portfolio_pnl_desc()[0])]
signals = cash_backtest.get_porfolio_signal()
# print the last positions (we could also save as CSV etc.)
print(signals.tail(1))
pf = PlotFactory()
gp = GraphProperties()
gp.title = "Thalesians FX trend strategy"
gp.source = 'Thalesians/BBG (calc with PyThalesians Python library)'
gp.scale_factor = 1
gp.file_output = 'output_data/fx-trend-example.png'
pf.plot_line_graph(port, adapter = 'pythalesians', gp = gp)
