Black-Scholes
/ˌblak ˈʃəʊlz/Economics and Finance
noun
1Attributive 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.
2Without article: the Black–Scholes option pricing model.
Origin
1970s; earliest use found in Journal of Finance. From the name of Fischer Sheffey Black, U.S. economist + the name of Myron Samuel Scholes (b. 1941), Canadian-born U.S. economist, who jointly devised and published the model.