how do traders hedge gamma 
gamma hedging is a strategy that tries to maintain a constant delta in an options position this is done by buying and selling options in such a way as to offset each other resulting in a net gamma of just around zero at such a point the position is said to be gamma neutral often a trader will want to maintain zero gamma around a delta neutral zero delta position as well this is done via delta gamma hedging where both net delta and net gamma are close to zero in such a case an options position s value is immunized against price changes in the underlying asset 