😱
Extreme Fear
0–25
😟
Fear
26–45
😐
Neutral
46–55
😊
Greed
56–75
🤑
Extreme Greed
76–100
What is the Crypto Fear & Greed Index?
The Crypto Fear & Greed Index is a composite indicator that measures market sentiment on a scale from 0 (Extreme Fear) to 100 (Extreme Greed). Originally inspired by CNN's traditional market index, the crypto version was created by Alternative.me and has become one of the most widely referenced sentiment tools in cryptocurrency.
The famous Warren Buffett quote applies: "Be fearful when others are greedy, and greedy when others are fearful." While originally about traditional markets, this contrarian approach has proven remarkably effective in crypto's emotional cycles.
How is the Index Calculated?
| Factor | Weight | What It Measures |
|---|---|---|
| Volatility | 25% | Current BTC volatility vs. 30/90-day averages. Unusual volatility = fear. |
| Market Momentum | 25% | Buying volume vs. averages. High volume in rising market = greed. |
| Social Media | 15% | Twitter hashtag interaction rates and sentiment analysis. |
| Surveys | 15% | Weekly polls of crypto investors. |
| Bitcoin Dominance | 10% | Rising BTC dominance = fear (flight to safety from altcoins). |
| Google Trends | 10% | Search volume for crypto queries. Spikes in 'bitcoin crash' = fear. |
How to Use the Index for Trading
😱 Extreme Fear (0–25): Potential Buying Opportunity
Markets tend to overshoot during panic. Bitcoin has often bottomed when the index is in Extreme Fear territory. Dollar-cost averaging is generally preferable to catching the exact bottom.
😐 Neutral (46–55): Wait and Watch
The market is undecided. This is often a transitional phase. Many traders use this period for research rather than aggressive positioning.
🤑 Extreme Greed (76–100): Caution Advised
When everyone is euphoric, smart money is typically taking profits. Consider reducing position sizes or tightening stop-losses during extreme greed.
Limitations of the Index
Lagging indicator
Reflects current sentiment, not future direction. By the time it shows 'Extreme Fear,' prices have already dropped significantly.
Bitcoin-centric
Heavily weighted toward Bitcoin metrics. Altcoin sentiment may diverge — alt seasons can occur during moderate BTC fear.
Not a timing tool
Markets can remain in Extreme Fear or Greed for extended periods. The index doesn't tell you when sentiment will reverse.
Manipulation potential
Social media metrics can be influenced by bots. Google Trends can be skewed by news cycles unrelated to genuine sentiment.
Frequently Asked Questions
How often is the index updated?+
Is Extreme Fear always a good time to buy?+
Can the index predict a crash?+
Should I use it for day trading?+
How does crypto sentiment compare to traditional markets?+
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Disclaimer
The Fear & Greed Index is for informational and educational purposes only. It does not constitute financial advice. Sentiment indicators should not be the sole basis for investment decisions.