或者用margin账户做少量裸put,但会被券商收取较高保证金(例如可能只收30%–50%的股票价值作为抵押)。
或者用margin账户做少量裸put,但会被券商收取较高保证金(例如可能只收30%–50%的股票价值作为抵押)。
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