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 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；
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