It refers that the holder buy or sell one option at strike price on a set date.

即持有者在某一约定日期按协定价格买入或卖出一份期权。

youdao

ODFDOM is able to provide not only the appropriate means to set date and time formats, but also some special style classes for many kinds of formats.

ODFDOM 不仅提供合适的方法来设置日期和时间格式，还有一些特别的类用于这种格式。

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They haven't set a date for the wedding yet.

他们尚未确定举行婚礼的日期。

《牛津词典》

No date has been set for confirmation hearings by the Senate Judiciary Committee.

VOA: special.2010.05.15

The second person I have set up now to come-- although the date on the syllabus online is going to be changed--is Andrew Redleaf, who is also a Yale graduate and who set up a hedge fund called Whitebox Advisors.

我邀请的第二位客座嘉宾,也许网上教学大纲的日期,会有所变动...是安德鲁·雷德利夫,他也是一位耶鲁的毕业生,他创设了Whitebox Advisors对冲基金

耶鲁公开课 - 金融市场课程节选

Still,North Korea, also known as the DPRK, set no date for sitting down to talk about implementing its nuclear disarmament commitments.

VOA: standard.2009.12.11

They can choose how and when they go about accomplishing the tasks by the set date.

FORBES: 3 Questions To Ask Before Green-Lighting A New Startup Hire

There is no set date for U.S. release so if you want this wrinkle zapper, you'd better book a flight across the pond.

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There is no set date for the switchover from FM to digital radio although the government is keen for it to happen in 2015.

BBC: Ofcom to use free airwaves for rural broadband