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

The panic and greed index is 21 today (23 yesterday), the degree of panic has increased, and the level is still extreme panic. Note: The panic index threshold is 0-100, including indicators: volatility (25%) + market trading volume (25%) + social media popularity (15%) + market research (15%) + Bitcoin in the entire market Proportion (10%) + Google hot word analysis (10%).