Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Learn about the Merton Model for evaluating corporate credit risk, developed by Robert Merton in 1974, and used by analysts ...

Option pricing is calculated using the Black-Scholes model, which takes four influential factors into account: the price of an underlying stock (assuming constant drift and volatility), an option’s ...

The left side represents the theoretical framework; the top middle contains a labeled box with a circumscribed circle displaying the call and put option prices (c, p), as well as the delta and vega ...

Delta is the easiest to understand of the option Greeks Delta is the second Greek letter used in options trading. Delta can easily be quantified as the change in option price relative to the ...