The Crypto Fear & Greed Index has increased to 15, marking a 5-point rise from the previous day, according to Coinglass data. Despite this uptick, the index remains in the 'extreme fear' category, reflecting ongoing market apprehension. The 7-day and 30-day averages are holding steady at 20, indicating persistent caution among investors. The index is a tool used to gauge market sentiment by analyzing price movements and trading behaviors. It provides insights into the psychological state of the market, with lower scores indicating fear and higher scores suggesting greed.