What is HIRO based on? HIRO stands for “Hedging Impact of Real-Time Options”. As options trades take place, options dealers and market makers may need to adjust their risk by hedging with the underlying stock. The HIRO indicator considers the entire US Options Market and projects key information relative to the hedging requirement for each of those trades. Related articles What is the concept of delta-hedge exactly? What is the SpotGamma HIRO Indicator? Can you give some examples of how to use the SpotGamma HIRO Indicator? How do I purchase the SpotGamma HIRO Indicator? How much does the SpotGamma HIRO Indicator cost?