Today's panic and greed index is 21, and the level is still extreme panic

Alternative data shows that today's panic and greed index is 21 (yesterday's was 20), and the degree of panic has dropped slightly, and the level is still extreme panic. The threshold of panic index is 0-100, including indicators: volatility (25%) + market trading volume (25%) + social media popularity (15%) + market survey (15%) + the proportion of Bitcoin in the entire market ( 10%) + Google hot word analysis (10%).