According to PANews, the Cryptocurrency Fear and Greed Index has increased to 20 today, up from 16 yesterday, yet it remains in the 'extreme fear' category. The index, which ranges from 0 to 100, is calculated based on several factors: volatility (25%), market trading volume (25%), social media activity (15%), market surveys (15%), Bitcoin's dominance in the market (10%), and Google Trends analysis (10%).