Today's panic and greed index is 20, and the level is changed to extreme panic

Alternative.me data shows that today's panic and greed index is 20 (yesterday was 26), the degree of panic has intensified, and the level has changed from panic to extreme panic.
The panic index threshold is 0-100, including indicators: volatility (25%) + market transaction volume (25%) + social media popularity (15%) + market research (15%) + Bitcoin's proportion in the entire market ( 10%) + Google Hotword Analysis (10%).