A call option, for example, gives the holder the right to buy an asset at a specified price within a specified period.

比如说，一个看涨期权，可以让持有者有权在一段特定的时间内以一个特定的价格买入一个资产。

youdao

Putt option refers to the right given to the option holder to sell (not the liability to sell) an asset at a specified price within specific time period.

卖方期权，是指期权持有人在期权有效期内按履约价格卖出（但不负有必须卖出的责任）规定的资产的权利。 。

youdao

Call option refers to the right given to the option holder to buy (not the liability to buy) an asset at a specified price within specific time period.

买方期权，是指赋予期权持有人在期权有效期内按履约价格买进(但不负有必须买进的义务)规定的资产的权利。

youdao

Mr Prowle also suggested a bailout from the government could be an option for an interim period while the trust "sorted itself out".

BBC: Sherwood Forest NHS trust debt increases by ?2m

On May 20, 2004, petitioner signed a two-year lease for the period May 1, 2004 through April 30, 2006 with an option to terminate the lease on June 30, 2004, although the landlord actually allowed her to stay in the apartment until July 9, 2004.

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An additional motivation is available through the vesting of stock option grants that require employees to remain employed for a certain period of time before the shares can be issued and sold.

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