This is ratio put, which is not hedge, but to buy at 110

來源: 三心三意 於 2025-05-30 07:14:39 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)
本帖於 2025-05-30 07:24:58 時間, 由普通用戶 三心三意 編輯
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