When the time reaches to the option expiration date, there is no more time value for that option.

当期权到期的时间到达，没有更多的时间价值，选择。

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Note: Coupon offers do not have the disable option but you can edit the quantity of USES or the expiration date to end the offer early.

注：优惠券折扣无撤销选项，但是您可以通过修改使用次数和有效期限来提前结束折扣。

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The last date on which the option may be exercised is called the expiration date or the maturity date.

期权存在的最后一天称为失效日或者到期日。

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The idea is that you sell a foreign currency call option and use the proceeds of the sale to purchase a foreign currency call option in the same currency with the same counterparty and the same expiration date.

FORBES: Partnership Needs More Than One Partner