GEX (Gamma Exposure) is a core metric that measures market makers' risk exposure and potential institutional fund flows, accurately reflecting the invisible "push and pull" forces of the market at different price levels. I. What is GEX? Gamma Exposure (Gamma Exposure) is a key indicator viewed from the perspective of the overall market and market makers to measure market makers' risk exposure and potential market fund flows. To truly understand this function, we first need to look at the primary force in the market: Market Makers. 1. What is a Market Maker? Market makers are the middlemen of the market, commonly known as "house makers" (or liquidity providers), and their main mission is to provide market liquidity: Whenever you want to buy, they must sell to you; Whenever you want to sell,