V2EX call option

Call Option

Definition / 释义

call option看涨期权。一种金融衍生品合约,赋予持有人在到期日(或到期日前,取决于期权类型)以约定价格(行权价)买入标的资产(如股票、指数、商品等)的权利,但不承担必须买入的义务。(常见含义;在其他语境中也可泛指“买入的选择权”。)

Pronunciation (IPA) / 发音 (IPA)

/kl pn/(英式)
/kl pn/(美式)

Examples / 例句

I bought a call option on Tesla shares.
我买入了一份特斯拉股票的看涨期权。

If the stock price rises above the strike price, the call option becomes profitable to exercise or sell.
如果股价上涨到高于行权价,看涨期权就可能通过行权或转卖而获利。

Etymology / 词源

call 在金融语境里可理解为“要求/召唤(买入)”的权利,option 源自拉丁语 optio(选择),合在一起表示“在特定条件下选择买入的权利”。该术语在现代证券与衍生品市场发展过程中固定下来,用来与 put option(看跌期权) 相对。

Related Words / 相关词

Notable Works / 经典著作中的用例

  • John C. Hull,《Options, Futures, and Other Derivatives》(《期权、期货及其他衍生品》)
  • Sheldon Natenberg,《Option Volatility & Pricing》(《期权波动率与定价》)
  • Lawrence G. McMillan,《Options as a Strategic Investment》(《期权:战略性投资》)
  • Edwin J. Elton 等,《Modern Portfolio Theory and Investment Analysis》(《现代投资组合理论与投资分析》)
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