因为以前亏损亏怕了,才要上下做保护,又是put 又是call 的,以为花钱保损失,其实还是说明对股票及其走势判断不自信
本帖于 2025-07-03 03:09:29 时间, 由普通用户 加州阳光123 编辑
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