# What is the SpotGamma Imp 5 Day Move?

The SpotGamma Imp 5 Day Move is a proprietary estimate of how much the SPX index may move over the next 5 sessions.

**Why does the SpotGamma Imp 5 Day Move matter?**

Our gamma derived estimate provides a valuable 5 day estimate of SPX movement.

**How to use the SpotGamma Imp 5 Day Move?**

To calculate the estimated range for the next 5 days, ± the SG Implied 5 day Move from the SPX cash price. This is our estimated 1 standard deviation range over the next 5 days