美式選擇權的early exercise

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https://www.thinkorswim.com/tos/ ... page=lessonExercise


Basically, settlement is what you get if you exercise an option. If an option is stock-settled, you will get a long position in the underlying stock if you exercise a call, or a short stock position if you exercise a put. U.S. equity options are stock-settled. If an option is cash-settled, you will get cash in the amount of the difference between the strike price of the option and the settlement value of the underlying index. The OEX and SPX index options are cash-settled.