• Zomma is the sensitivity of the option’s gamma to changes in implied volatility, where a higher zomma indicates that small changes in IV translate into large changes in gamma.

  • This is one of the so-called minor Greeks used to manage higher order risks in derivatives trading, most often in the context of options trading.
  • Somma is a very abstract concept that can only be understood in relation to other measurements used to evaluate an option’s risk position.