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单词 black-scholes
释义

Black-Scholesn.

Brit. /ˌblak ˈʃəʊlz/, U.S. /ˌblæk ˈʃoʊlz/
Origin: From proper names. Etymons: proper name Black, Scholes.
Etymology: < the name of Fischer Sheffey Black (1938–95), U.S. economist + the name of Myron Samuel Scholes (b. 1941), Canadian-born U.S. economist, who jointly devised and published the model ( Jrnl. Political Economy 81 (1973) 637–654; compare earlier reference in quot. 1972 at sense 1).
Economics and Finance.
I. Compounds.
1. attributive. Designating a mathematical model for calculating the value of stock options, as Black–Scholes model, Black–Scholes option pricing model, etc. Also: designating the formula or equation used in this model, as Black-Scholes equation, Black-Scholes formula, etc.
ΚΠ
1972 Jrnl. Finance 27 456 The Black-Scholes strategy can provide a completely riskless investment.
1977 Jrnl. Risk & Insurance 44 513 The pricing formula is obtained within the framework of the Black-Scholes option pricing model.
1994 Wired July 136/1 The Black-Scholes equation was quickly adopted by Wall Street quants to calculate the value of options in complex derivative dealings.
1999 A. D. Westhem & S. J. Weissman Tax-Smart Investing xiv. 154 The Black-Scholes formula often puts the value of an option at about one-third the value of the common stock.
2003 Philadelphia Inquirer 6 Apr. e7/4 The value of stock options, which fell 18 percent last year to a median value of $4.2 million, was calculated by Equilar using a method known as the Black–Scholes model.
II. Simple uses.
2. Without article: the Black–Scholes option pricing model.
ΚΠ
1978 Jrnl. Business 51 647 Using Black-Scholes for pricing options on consumption is tantamount to assuming that aggregate relative risk aversion is constant.
1993 M. A. Wong & R. High Fixed-income Arbitrage iv. 107 The undervaluation of American call options due to the failure of Black-Scholes to take into account the possibility of early exercise.
1998 Evening Standard (Nexis) 8 Oct. 33 Using Black Scholes, Marsh calculated that the City was charging companies far too much when they raised cash through stock market rights issues.
2004 BusinessWeek 15 Nov. 26/2 In 1993 he [sc. Emanuel Derman] and Goldman colleague Iraj Kani invented an options-pricing method that improved on an aspect of Black-Scholes—its incorrect assumption that the volatility of options is unvarying.
This is a new entry (OED Third Edition, September 2011; most recently modified version published online December 2021).
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n.1972
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