卖裸put/call 怕的是市场大变动。你的pnl 是慢慢上升,然后一个大drop down. 很多hedge funds 就做这个。
卖裸put/call 怕的是市场大变动。你的pnl 是慢慢上升,然后一个大drop down. 很多hedge funds 就做这个。
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