CoinMarketCap’s cryptocurrency fear and greed index rose one point from yesterday to 82, keeping the market in the extreme greed zone. The reading signals strong investor optimism and risk appetite, potentially supported by recent price rallies and increased institutional interest, but similarly elevated sentiment can leave markets vulnerable to corrections. CoinMarketCap calculates the proprietary gauge using price movements among the top 10 cryptocurrencies by market capitalization, market volatility, derivatives indicators including the put-to-call ratio, the stablecoin supply ratio (SSR), and its own search data. Readings approaching 100 indicate extreme optimism, while those near zero indicate extreme fear. Historically, extreme-greed readings have coincided with local market tops, including in late 2021 before a significant downturn, although the index is not a precise timing tool or definitive trading signal. Extreme optimism may fuel FOMO buying and push prices beyond fundamental values, while increasing the risk of a sell-the-news event if positive catalysts fail to materialize. Investors should consider the index alongside trading volumes, on-chain metrics, derivatives-market conditions and their own strategy and risk tolerance rather than relying on a single indicator.