def run_day_of_month_analysis(self, strat):
from pythalesians.economics.seasonality.seasonality import Seasonality
from pythalesians.timeseries.calcs.timeseriescalcs import TimeSeriesCalcs
tsc = TimeSeriesCalcs()
seas = Seasonality()
strat.construct_strategy()
pnl = strat.get_strategy_pnl()
# get seasonality by day of the month
pnl = pnl.resample('B').mean()
rets = tsc.calculate_returns(pnl)
bus_day = seas.bus_day_of_month_seasonality(rets, add_average = True)
# get seasonality by month
pnl = pnl.resample('BM').mean()
rets = tsc.calculate_returns(pnl)
month = seas.monthly_seasonality(rets)
self.logger.info("About to plot seasonality...")
gp = GraphProperties()
pf = PlotFactory()
# Plotting spot over day of month/month of year
gp.color = 'Blues'
gp.scale_factor = self.SCALE_FACTOR
gp.file_output = self.DUMP_PATH + strat.FINAL_STRATEGY + ' seasonality day of month.png'
gp.html_file_output = self.DUMP_PATH + strat.FINAL_STRATEGY + ' seasonality day of month.html'
gp.title = strat.FINAL_STRATEGY + ' day of month seasonality'
gp.display_legend = False
gp.color_2_series = [bus_day.columns[-1]]
gp.color_2 = ['red'] # red, pink
gp.linewidth_2 = 4
gp.linewidth_2_series = [bus_day.columns[-1]]
gp.y_axis_2_series = [bus_day.columns[-1]]
pf.plot_line_graph(bus_day, adapter = self.DEFAULT_PLOT_ENGINE, gp = gp)
gp = GraphProperties()
gp.scale_factor = self.SCALE_FACTOR
gp.file_output = self.DUMP_PATH + strat.FINAL_STRATEGY + ' seasonality month of year.png'
gp.html_file_output = self.DUMP_PATH + strat.FINAL_STRATEGY + ' seasonality month of year.html'
gp.title = strat.FINAL_STRATEGY + ' month of year seasonality'
pf.plot_line_graph(month, adapter = self.DEFAULT_PLOT_ENGINE, gp = gp)
return month
###### calculate seasonal moves in EUR/USD and GBP/USD (using Quandl data)
if True:
time_series_request = TimeSeriesRequest(
start_date = "01 Jan 1970", # start date
finish_date = datetime.date.today(), # finish date
freq = 'daily', # daily data
data_source = 'quandl', # use Quandl as data source
tickers = ['EURUSD', # ticker (Thalesians)
'GBPUSD'],
fields = ['close'], # which fields to download
vendor_tickers = ['FRED/DEXUSEU', 'FRED/DEXUSUK'], # ticker (Quandl)
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_ret = tsc.calculate_returns(df)
day_of_month_seasonality = seasonality.bus_day_of_month_seasonality(df_ret, partition_by_month = False)
day_of_month_seasonality = tsc.convert_month_day_to_date_time(day_of_month_seasonality)
gp = GraphProperties()
gp.date_formatter = '%b'
gp.title = 'FX spot moves by time of year'
gp.scale_factor = 3
gp.file_output = "output_data/20150724 FX spot seas.png"
pf.plot_line_graph(day_of_month_seasonality, adapter='pythalesians', gp = gp)
start_date="01 Jan 1970", # start date
finish_date=datetime.date.today(), # finish date
freq='daily', # daily data
data_source='quandl', # use Quandl as data source
tickers=[
'EURUSD', # ticker (Thalesians)
'GBPUSD'
],
fields=['close'], # which fields to download
vendor_tickers=['FRED/DEXUSEU', 'FRED/DEXUSUK'], # ticker (Quandl)
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_ret = tsc.calculate_returns(df)
day_of_month_seasonality = seasonality.bus_day_of_month_seasonality(
df_ret, partition_by_month=False)
day_of_month_seasonality = tsc.convert_month_day_to_date_time(
day_of_month_seasonality)
gp = GraphProperties()
gp.date_formatter = '%b'
gp.title = 'FX spot moves by day of month'
gp.scale_factor = 3
gp.file_output = "output_data/FX spot DOM seasonality.png"
pf.plot_line_graph(day_of_month_seasonality, adapter='pythalesians', gp=gp)