我买了3手v2309-C-6400,持仓均价61元,但是用engine.get_all_positions()却得到如下结果:
PositionData(gateway_name='CTP', extra=None, symbol='v2309-C-6400', exchange=<Exchange.DCE: 'DCE'>, direction=<Direction.LONG: '多'>, volume=3, frozen=0, price=21.0, pnl=0.0, yd_volume=3), PositionData(gatewa
=0, price=21.0, pnl=0.0, yd_volume=3),
显示持仓均价price = 21元,请问这是怎么回事?如何得到正确的持仓均价?