Daily sentiment score from 0 to 100, paired with BTC price so fear and greed shifts can be interpreted against trend structure.
Volatility & Volume (50%): Compares current values with 30/90-day averages. High volatility signals fear, while unusually high buying volume signals a greedy/bullish market.
Social Media & Trends (25%): High interaction rates on Twitter and rising fear-related search queries (e.g., 'bitcoin price manipulation') directly impact the index.
Dominance (10%): Rising Bitcoin dominance indicates a fearful reduction in alt-coin speculation, while shrinking dominance points to growing greed.