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The Crypto Fear & Greed Index is a widely-used market sentiment indicator that measures investor emotions on a scale of 0 to 100. Originally inspired by CNN's traditional market Fear & Greed Index, the crypto version was created by Alternative.me specifically for Bitcoin and the broader cryptocurrency market.
At its core, the index distills complex market data into a single number: 0 represents "Extreme Fear" and 100 represents "Extreme Greed." This simplicity makes it one of the most accessible tools for understanding overall market mood.
The Crypto Fear & Greed Index aggregates data from six different sources, each weighted differently to produce the final score:
| Factor | Weight | Description |
|---|---|---|
| Volatility | 25% | Compares current Bitcoin volatility and drawdowns against 30-day and 90-day averages. Unusually high volatility signals fear. |
| Market Momentum / Volume | 25% | Compares current buying volume against moving averages. High buying volume in a positive market indicates greed. |
| Social Media | 15% | Analyzes Twitter/X post volume, hashtags, and engagement related to crypto. Unusually high interaction rates signal greed. |
| Surveys | 15% | Weekly polls of crypto investors. While currently paused, this factor captures direct sentiment when available. |
| Bitcoin Dominance | 10% | Measures BTC's share of total crypto market cap. Rising dominance suggests fear (flight to safety), while falling dominance suggests greed (risk appetite for altcoins). |
| Google Trends | 10% | Tracks search volume for Bitcoin-related terms. Spikes in searches like "Bitcoin crash" indicate fear; "Bitcoin buy" indicates greed. |
| Score | Classification | Market Implication |
|---|---|---|
| 0 – 24 | Extreme Fear | Investors are very worried. Historically, this can be a buying opportunity as assets may be undervalued. |
| 25 – 44 | Fear | Caution dominates. Selling pressure is elevated but not at panic levels. |
| 45 – 55 | Neutral | Market sentiment is balanced. No strong directional bias. |
| 56 – 75 | Greed | Optimism is growing. Prices may be getting stretched but momentum remains positive. |
| 76 – 100 | Extreme Greed | Euphoria is in the air. Markets may be overbought and due for a correction. |
The most common approach is contrarian trading: buying when others are fearful and selling when others are greedy. Warren Buffett's famous advice — "Be fearful when others are greedy and greedy when others are fearful" — applies directly here. When the index drops below 20, experienced traders often view it as a potential accumulation zone.
Some traders use the index to confirm existing trends rather than trade against them. If the index is rising alongside price, it confirms bullish momentum. If fear is increasing while price drops, it confirms bearish pressure and suggests staying on the sidelines.
The index serves as a useful risk management tool. During periods of extreme greed (above 80), traders may choose to reduce position sizes or take partial profits. During extreme fear (below 20), they might increase exposure gradually rather than going all-in.
GODSTARY displays the Fear & Greed Index with a real-time gauge, historical chart with BTC price overlay, and contextual badges showing yesterday's, last week's, and last month's values. This gives traders a quick snapshot of how sentiment is evolving over time — all integrated directly into the trading dashboard alongside scalping signals and arbitrage data.