V2EX put option

Put Option

定义 Definition

Put option(卖出期权/看跌期权):一种金融衍生品合约,赋予持有人在到期日或到期日前,以约定价格(行权价)把标的资产(如股票、指数、期货等)卖出给期权卖方的权利,但不承担必须卖出的义务。常用于对冲下跌风险押注价格下跌。(期权还有对应的 call option 看涨期权。)

例句 Examples

A put option can protect your portfolio if the stock price falls.
看跌期权可以在股价下跌时保护你的投资组合。

She bought a put option with a $50 strike price to hedge against a potential market downturn.
她买入了一份行权价为50美元的看跌期权,用来对冲可能出现的市场下行风险。

发音 Pronunciation (IPA)

/pt pn/(英式)
/pt pn/(美式)

词源 Etymology

put 在金融语境中与“把资产交割/卖出”的动作相关;option 来自拉丁语 optio,含义是“选择、选择权”。合在一起,put option 字面可理解为“卖出的选择权”,即在特定条件下选择以约定价格卖出标的资产的权利。该术语在现代金融市场与期权定价理论发展(如20世纪的期权市场制度化与定价模型)中被广泛固定下来。

相关词 Related Words

文学与著作中的用例 Literary Works

  • John C. Hull,《Options, Futures, and Other Derivatives》:系统讲解 put option 的基本结构、定价与风险管理应用。
  • Nassim Nicholas Taleb,《The Black Swan》:讨论尾部风险与对冲思想时,会涉及期权(包括看跌期权)作为风险工具的语境。
  • Edwin Lefèvre,《Reminiscences of a Stock Operator》:虽以早期投机交易为背景,但在现代版本的读者解读与相关讨论中常用期权(含 puts)来对照说明风险与押注方式。
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