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from dateutil.relativedelta import relativedelta | |
# def date_iter_periodicity(start_date, end_date, hold_days): | |
# date = start_date | |
# while date < end_date: | |
# yield (date), (date + datetime.timedelta(hold_days)) | |
# date += datetime.timedelta(hold_days) | |
def date_iter_periodicity(start_date, end_date, interval): | |
date = start_date | |
while date < end_date: | |
yield (date), (date + relativedelta(months=+interval)) | |
date += relativedelta(months=+interval) | |
# How to use - Trading on the 1st of each month | |
# start_date = datetime.date(2014, 5, 1) | |
# end_date = datetime.date(2019, 9, 1) | |
# interval = 1 | |
# backtest(start_date, end_date, interval, strategy, data) |
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