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Futures Terms
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OptionThe buyer of an option has the right, but not the obligation, to undertake an action on an underlying asset. The right to buy is a "call" option, while the right to sell is a "put" option. A right exercisable only on the expiration date is "European"-style, while a right exercisable on or before the expiration date is "American"-style. The pre-determined price at which exercise occurs is the strike price.


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