cc 收的credit 正好是put spread 的cost, 都是$7多

來源: 三心三意於 2025-05-30 23:44:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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