if dt>datetime.datetime(2013,1, 1):
set_commission(PerTrade(buy_cost=0.0003, sell_cost=0.0003, min_cost=5))
elif dt>datetime.datetime(2011,1, 1):
set_commission(PerTrade(buy_cost=0.001, sell_cost=0.002, min_cost=5))
区间应该
if dt>datetime.datetime(2013,1, 1):
set_commission(PerTrade(buy_cost=0.0003, sell_cost=0.0003, min_cost=5))
elif dt>datetime.datetime(2011,1, 1) and dt <= datetime.datetime(2013,1, 1:
set_commission(PerTrade(buy_cost=0.001, sell_cost=0.002, min_cost=5))
2016-08-07
雪球
