Understanding ESOP Valuation: Black-Scholes and Binomial Models for Employee Options
A practical, India-specific guide to putting a number on employee stock options, built for finance and treasury professionals, growth-stage founders and strategy teams. Learn why Ind AS 102 treats every ESOP grant as a real cost, why an out-of-the-money option still has fair value, and what the six valuation inputs are. Work through Black-Scholes in plain terms, estimate volatility for listed and unlisted companies, and pick defensible inputs for expected term, risk-free rate and dividend yield. Build a binomial tree step by step, model vesting, early exercise and employee exits, and learn when each model is the right tool. Then follow the fair value into the P&L: expense over the vesting period, forfeitures, repricing, performance and market conditions, and the difference between accounting fair value and tax FMV. Finish with sensitivity analysis and a case study reading ESOP cost disclosures in the annual reports of India's new-age listed companies.