Options Gamma is the Change in an option’s delta for a one-point change in the price of the underlying. It indicates the sensitivity of the Options delta with respect to the underlying. This is important to know because the delta indicates how much/many contracts are long/short based on underlying. The Gamma , on the other hand, indicates, how fast are they ‘effectively’ changing. So by watching the Gamma, the Delta Risk can be effectively managed. Option’s delta changes as the underlying price changes (Refer to the earlier article on Options Delta Basics) Gamma of a long option position (put and call) is always positive Delta increases as the underlying price increases and that delta falls as the underlying price falls At-the-money options have the largest gamma As volatility falls.., – Gamma of at-the-money options increases – Gamma of deep in-the-money and out-of-the-money options decreases Basics of Options Delta ; Vega “The greatest ignorance is to reject something you know nothing about”…If you are invested in Markets, it makes sense to be aware of & have an idea about Options.