January 2026: I am moving Macroption to new system. Account login and checkout are paused for a few days. See more details. To get a calculator, contact me directly.

Cox-Ross-Rubinstein (CRR)

The first and best known binomial option pricing model, formalized by John C. Cox, Stephen Ross, and Mark Rubinstein in 1979.

See Cox-Ross-Rubinstein Model Formulas, Binomial Option Pricing Excel Tutorial and Binomial Option Pricing Calculator.