@property
def buy_avg_holding_price(self):
    '\n        [float] 买方向持仓均价\n        '
    return (0 if (self.buy_quantity == 0) else ((self._buy_holding_cost / self.buy_quantity) / self.contract_multiplier))
[float] 买方向持仓均价
@property
def buy_avg_holding_price(self):
    '\n        \n        '
    return (0 if (self.buy_quantity == 0) else ((self._buy_holding_cost / self.buy_quantity) / self.contract_multiplier))