[Crypto Fear Index Reports 20 Today, Still in the 'Extreme Fear' Range] BlockBeats news, January 31, according to Alternative data, today's Crypto Fear and Greed Index is 20 (yesterday was 16), and the market remains in the 'Extreme Fear' range. Note: The Fear Index threshold is 0-100, comprising indicators: volatility (25%) + market trading volume (25%) + social media sentiment (15%) + market surveys (15%) + Bitcoin's dominance in the overall market (10%) + Google keyword analysis (10%).