Beyond Basic Black-Scholes: Dividends, Currencies, and More
The vanilla Black-Scholes model assumes a clean world: no dividends, constant parameters, one type of underlying. Real markets are messier. Chapter 8 of Wilmott’s book starts adding realism. Dividends, currencies, commodities, stock borrowing costs, time-dependent parameters. Each generalization is surprisingly straightforward once you understand the basic framework, which is the good news. The bad news is that you need to keep track of which adjustments apply to your specific situation.