December 14, according to Alternative data, today's cryptocurrency Fear and Greed Index dropped to 21 (yesterday was 23), and the market is still in a state of "extreme fear".Note: The Fear Index threshold is 0-100, including indicators: Volatility (25%) + Market Volume (25%) + Social Media Sentiment (15%) + Market Surveys (15%) + Bitcoin's Dominance (10%) + Google Trends (10%).