Today's panic and greed index is 15, the level turns into extreme panic

According to the data of Alternative.me, today's panic and greed index is 15 (39 yesterday), the degree of panic has greatly increased, and the level has turned into extreme panic. The panic index threshold is 0-100, including indicators: volatility (25%) + market volume (25%) + social media heat (15%) + market research (15%) + bitcoin ratio in the entire market ( 10%) + Google Hot Word Analysis (10%)