Black–Scholes Model
The Nobel-prize-winning formula that prices an option from five ingredients: today's price, the strike, time to expiry, interest rates and volatility. It turned options from guesswork into a science and still anchors how desks quote and hedge them today.
Where this is taught
Definitions are the trailer. These free levels turn Black–Scholes Model into something you play — one bite-size lesson, with worked examples, a quiz and XP.