短語詞組短語spread lock option 差價鎖定期權(quán)the Spread Option 延伸選擇權(quán)crack spread option 裂解價差期權(quán)haha spread option 複式期權(quán)Credit Spread Option 期權(quán);信用價差選擇權(quán);信用利差期權(quán);及信用價差期權(quán)european credit spread option 歐式信用價差期權(quán)Calendar Spread Option 日歷價差期權(quán)butterfly spread option 蝶式期權(quán) 返回 spread option