ezyquant.backtesting.position.SETPosition# class ezyquant.backtesting.position.SETPosition(symbol: str, volume: float = 0.0, cost_price: float = 0.0, close_price: float = nan)# SETPosition.match_order(volume, price) SETPosition.close_price SETPosition.close_value SETPosition.cost_price SETPosition.cost_value SETPosition.volume SETPosition.symbol