PANews reported on February 21 that according to Alternative data, today's Fear and Greed Index rose sharply compared to yesterday, currently rising to 55 (yesterday's 49), and the level changed from neutral to greedy, which is also the first time the index has turned to greedy since February 3. The threshold of the Fear Index is 0-100, including indicators: volatility (25%) + market trading volume (25%) + social media heat (15%) + market research (15%) + Bitcoin's proportion in the entire market (10%) + Google hot word analysis (10%).