2012年6月4日 星期一

Margin Requirements – Short Put « OptionsHouse

Margin Requirements – Short Put « OptionsHouse:

20% of the underlying stock price minus any out-of-the-money amount plus option premium, OR 10% of the strike price plus option premium, whichever is greater.
Short option requirements for 3X Leveraged ETFs use 60% and 30%
Short option requirements for 2X Leveraged ETFs use 40% and 20%

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