# Option Greeks

This video familiarizes traders with a set of Greek risk factors used to monitor a portfolio's profile. It explains the five key greeks:

**Delta:**The relative change in an option's price for a given change in the underlying asset.**Gamma:**The rate of change of delta for a given change in the underlying asset's price.**Theta:**The relationship between time and the price of an option.**Vega:**The change in an option's price due to a change in its implied volatility.**Rho:**AN option's sensitivity to interest rates.