美股开户者An optimistic strategy used by investors who feel that the market price of a commodity will appreciate, but wish to limit the downside potential associated with an incorrect prediction.
看涨投资者的投资策略，投资者认为某商品的市价将上升，但希望控制预测错误造成损失的可能性
未经允许不得转载：美股开户者 » Bull Vertical Spread看涨的纵向多空套做
