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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.
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. The last day to trade equity options is the Friday prior to expiry. Some options have an automatic exercise provision. These options are automatically exercised if they are in-the-money at the time of expiry.