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BREAKING DOWN 'Expiration Date (Derivatives)'. The expiration date for all listed stock options in the United States is normally the third Friday of the contract month, which is the month when the contract expires.However, when that Friday falls on a holiday, the expiration date is on the Thursday immediately before the third Friday.Once an options or futures contract passes its expiration date, the contract is invalid.owever, when that Friday falls on a holiday, the expiration date is on the Thursday immediately before the third Friday. Once an options or futures contract passes its expiration date, the contract is invalid.
The day on which an option or futures contract is no longer valid and therefore ceases to exist. Investopedia explains Expiration Date. The expiration date for all listed stock options in the United States is the third Friday of the expiration month (except when it falls on a holiday, in which case it is on Thursday). Related Terms: