The Crypto Fear & Greed Index is a sentiment indicator that measures the emotional state of the cryptocurrency market. It operates on a scale from 0 (Extreme Fear) to 100 (Extreme Greed), providing insight into prevailing investor behavior. Lower readings typically suggest excessive selling pressure, while higher readings may indicate over-optimism and the possibility of a market correction. Platforms such as Binance Square integrate trading metrics and distinctive user activity data to deliver a comprehensive market sentiment overview.