或者用margin賬戶做少量裸put,但會被券商收取較高保證金(例如可能隻收30%–50%的股票價值作為抵押)。
或者用margin賬戶做少量裸put,但會被券商收取較高保證金(例如可能隻收30%–50%的股票價值作為抵押)。
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