量化day1-0 ：def initialize(context): run_daily(period,time='every_bar') g.security='000001.XSHE' def period(context): order(g.security,100) cost=context.portfolio.positions['000001.XSHE'].avg_cost price=context.portfolio.positions['000001.XSHE'].price ret=price/cost-1 print('chengbenjia:%s'%cost) print('xianjia:%s'%price) print('shouyilv:%s'%ret) if ret< 0.01: order_target('000001.XSHE',0) print('chufazhisun')购买100股平安银行股票，设置止损卖出。设置回测的时间从2017-03-01到2017-03-31，初始资金为100000，频率为天。发现3-20触发止损。