Selling calls gives investors immediate cash as well as the potential for further gains in return for capping those gains at the strike price.
出售看涨期权令投资者获得现金，同时还有可能在将来获利，代价是期权执行价为股票的收益封了顶。
A put option is an agreement in which the buyer has the right (but not the obligation) to exercise by selling an asset at the strike price on or before a future date;
看跌期权亦为一种协议，在该协议中，买方有权（但非义务）以履约价格在未来某日或未来某日之前出售某一资产；
A put is an option that gives the buyer the right, but not the obligation, to sell the underlying futures contract at the strike price on or before the expiration date.
看跌期权赋予买方以权利，但不必负有义务，在期权到期日当天或者到期之前，按照敲定的价格卖出相关期货合约。
A call is option that gives the buyer the right, but not the obligation, to purchase the underlying futures contract at the strike price on or before the expiration date.
看涨期权赋予买方以权利，但不必负有义务，在期权到期日当天或到期之前，按敲定价格买进相关期货合约。
And if Amazon or whatever stock you buy isn't trading at or above the strike price when the options expire, you'll still own the shares, but at a lower cost than if you had just bought them outright.
如果亚马逊或你买的其他任何股票到期的价格低于行权价，你将继续拥有这些股票，但你持有的价格将比你当初直接买进时的价格有所降低。
Some good airline stock is offered at a low price, I must strike while the iron is hot.
有些航空股票正在低价卖出，我必须趁热打铁，及时购进。
European option: the right to buy a given quantity of a good or security at a specific time and at a specific price (the strike price).
欧洲选项：有权购买某一特定数量的一个良好的安全或在某一特定时间和在某一特定价格(履约价格)。
American option: the right to buy a given quantity of a good or security at or before a specific time and at a specific price (the strike price).
美式期权：有权购置某一特定数量的一个好或平安时或之前，详细时间和在某一特定价钱(履约价钱)。
This paper studies the pricing on Asian geometric average options with fixed strike price at any valid time.
研究了具有固定敲定价格的几何型亚式期权在任意有效时刻的定价问题。
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。
When the strike price of an option is equal to (or nearly equal to) the market price of the underlying security, we call this option is at the money.
当期权的执行价格非常接近标的物的即期价格时，则称该期权处于平价状态。平价期权实际上可以是处于略为价内或价外的状态。
At expiration, equal to the strike price minus the futures price.
在期权合同到期时，等于执行价格减去期货价格。
The price at which the holder (buyer) may purchase or sell the underlying futures contract. Also called strike price.
指股票能在承购合同中被购入或在承销合同中被卖出的那个固定价格。也叫做执行价。
If ZYX advances to 65 at expiration, the LEAPS will have a value of approximately 15 (the stock price of 65 less the strike price of 50).
如果ZY X在到期时涨到65,leaps则有大约15远的价值(股票价格65减去商定价格50)。
At expiration, equal to the futures price minus the strike price of the call.
一个期权的执行价等于其原生期货的价格。
At expiration, equal to the strike price minus the futures price.
在有效期内，等同于期货价格减去期权执行价。
At expiration, equal to the futures price minus the strike price of the call.
在期权合同到期时，等于执行价格减去期货价格。
At expiration, equal to the strike price minus the futures price.
一个期权的执行价等于其原生期货的价格。
At expiration, equal to the futures price minus the strike price of the call.
在有效期内，等同于期货价格减去期权执行价。
To be profitable, though, at expiration, the stock must be trading for more than 58, the total of the option premium (8 1/2) and the strike price of 50.
当然，要想在到期前真正有利可图，该股票的交易价格必须高于58 1/2，也就是期权溢价（8-1/2）加上商定价格50。
To be profitable, though, at expiration, the stock must be trading for more than 58, the total of the option premium (8 1/2) and the strike price of 50.
当然，要想在到期前真正有利可图，该股票的交易价格必须高于58 1/2，也就是期权溢价（8-1/2）加上商定价格50。
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