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Brownian Motion

A type of Markov process; a stochastic process, i.e., a group of random variables defined on the same probability space...

Black and Scholes

A valuation model which is used to price financial options under a number of simplistic assumptions, including specifically that the...

Volatility

A measure of fluctuation in the price movement of an asset (usually, a tradable asset such as a stock) over...

Gamma Pricing Model

An option pricing model that is designed to measure the change in the price of an option as a result...

B-S Model

It stands for Black-Scholes model; a valuation model which is used to price financial options under a number of simplistic...

Black-Scholes Model

A valuation model which is used to price financial options under a number of simplistic assumptions, including specifically that the...

Implied Volatility

A volatility value that is implied from an option pricing model (like the Black-Scholes model) representing the standard deviation of...

GARCH Option Pricing Model

An option pricing model which assumes that the evolution of the underlying asset return follows the generalized autoregressive conditional heteroskedastic...

Gamma Trap

A market phenomenon that comes into play when dealers in CMS spread range accrual structures (CRANS) go from exposure being relatively flat...

Gamma Rent

A risk measure for options which is computed by relating an option's theta to its gamma: Gamma rent = decay/gamma This second-order greek , which is also...