The Fear and Greed Index, a widely watched sentiment indicator for cryptocurrency markets, surged to 83 today, up from 76 yesterday, maintaining its classification as "Extreme Greed," according to Alternative data.

The index, which ranges from 0 (extreme fear) to 100 (extreme greed), is composed of multiple metrics: volatility (25%), market trading volume (25%), social media sentiment (15%), market surveys (15%), Bitcoin's dominance in the market (10%), and Google Trends data for cryptocurrency-related keywords (10%).