Articles

What is Implied by Implied Volatility?

14th May 2018 Editor 0

Word and concept Implied volatility is not just a word or a concept. As a word, what is implied by implied volatility – what “implied volatility” means – is the value of the Brownian diffusion […]

Articles

Volatility: Time and Black–Scholes–Merton

23rd April 2017 Editor 0

The formalism of Black–Scholes–Merton knows of no such thing as the past or the future. When it models the stochastic process of the underlying asset price as Brownian motion and symbolizes its volatility by σ, […]