Measures overall crypto market sentiment from 0 (Extreme Fear) to 100 (Extreme Greed). Contrarian investors watch it closely — the best buying opportunities often appear when fear is at its highest.
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The Crypto Fear & Greed Index (by Alternative.me) scores overall market sentiment on a scale of 0–100. It is calculated daily from six inputs: price volatility, market momentum, social media buzz, Bitcoin dominance, Google Trends data, and surveys.
Warren Buffett's rule applies directly: "Be fearful when others are greedy, and greedy when others are fearful." Use the index as a sentiment gauge, not a precise timing tool. Combine it with on-chain indicators like the Mayer Multiple and AHR999 for a fuller picture.
The dashed lines on the chart mark the 25, 35, 65, and 75 thresholds. The line colour follows the full five-zone scale from Extreme Fear through Fear, Neutral, Greed, and Extreme Greed.