这个怎么有点像collar 啊？用619的call 正好cover put spread

来源: 三心三意于 2025-05-30 23:37:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.