[Crypto Fear Index Drops to 22, Entering Extreme Fear Zone] BlockBeats News, October 17, according to Alternative data, today's cryptocurrency Fear and Greed Index has dropped to 22 (yesterday it was 28), with market sentiment falling into extreme fear. Note: The Fear Index threshold ranges from 0-100 and includes the following indicators: volatility (25%) + market trading volume (25%) + social media popularity (15%) + market surveys (15%) + Bitcoin's proportion in the overall market (10%) + Google keyword analysis (10%).