[Crypto Fear Index Drops to 21, Market Sentiment Deepens into 'Extreme Fear'] BlockBeats News, April 17 — According to Alternative data, today's Crypto Fear and Greed Index stands at 21 (compared to 23 yesterday), indicating a deepening 'extreme fear' sentiment in the market. Note: The Fear Index ranges from 0-100 and includes the following indicators: Volatility (25%) + Market Trading Volume (25%) + Social Media Sentiment (15%) + Market Surveys (15%) + Bitcoin's Market Share (10%) + Google Search Trends Analysis (10%).