A delta hedge strategy seeks to reduce gamma in order to maintain a hedge over a wider price range. Delta, Vega and Theta generally get most of the attention, but Gamma has important implications for risk in options strategies that can easily be demonstrated. For purchased options owned by an investor, Delta is between 0 and 1.00 for calls and 0 and -1.00 for puts.
With the proliferation of tamma trading knowledge and tools in the retail market, that no longer needs to be the case. It also is a number that tells us how much profit or loss our position will have with a one point move in the impliedOption GammaThe gamma of an option indicates how the delta of an option will change relative to a gqmma point move in the underlying asset. So, by watching your gamma will let you know how large your delta (position risk) changes.The above graph shows Gamma vs Underlying price for 3 different strike prices.
You can see that Gamma increases as the option moves from being in.