短语词组短語Short synthetic put 看跌期權Short Ratio Put Spread 下麪Write or Short one put 賣出賣權Short Put Option 期權;賣出看跌期權naked short Put 裸賣出看跌期權Sell or Short put 賣出賣權short put option spread 空頭賣方期權差額交易haha short put 認沽期權空倉 返回 short put