An options series includes all the contracts within an options class that have identical terms, including expiration date and strike price. For example, all of the calls on Stock A that expire in March and have a strike price of $45 are members of the same options series.
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- American-style option, European style option, Expiration cycle, Expiration date, Last trading day, Long-term equity anticipation securities (LEAPS), Quadruple witching day
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