def perf_weekly_by_14_day(self):
num_days = 14
if len(self.close_prices()) < num_days:
return -1
perf = (self.close_prices()[-1] - self.close_prices()[-num_days]
) / self.close_prices()[-num_days]
return metric.compound(perf,
num_days / 5.0) # 14 business days = 2.8 wks
def perf_weekly_by_quarter(self):
perf_quarter_str = self.attr_dict['Perf Quarter'] == '-' and \
self.attr_dict['Perf YTD'] or self.attr_dict['Perf Quarter']
perf_quarter = misc.to_float_value(perf_quarter_str)
return metric.compound(perf_quarter / 100, 13)
def perf_weekly_by_month(self):
perf_month = misc.to_float_value(self.attr_dict['Perf Month'])
return metric.compound(perf_month / 100, 4.33)
def perf_weekly_by_half_year(self):
perf_half_year_str = self.attr_dict['Perf Half Y'] == '-' and \
self.attr_dict['Perf YTD'] or self.attr_dict['Perf Half Y']
perf_half_year = misc.to_float_value(perf_half_year_str)
return metric.compound(perf_half_year / 100, 26)