Option Ultima Also DvommaDvol. Third order Greek which measures sensitivity of vomma to small changes in volatility. Have a question, idea, or feedback? Contact Me More in Option Greeks : Option Delta Option Gamma Option Theta Option Vega Option Rho Higher Order Greeks Option Greeks Excel Formulas Measuring Directional Exposure with Delta: Single Option and Option Spreads Delta Hedging: Calculations, Adjustments, Long vs. Short Options Delta of Calls vs. Puts and Probability of Expiring In the Money More in Reference : Options Terminology Option Pricing Option Greeks Option Strategies Volatility Technical Indicators Performance and Risk Metrics Statistics for Finance Resources (Brokers, Data, Software) Other Topics and Notes Glossary