ETH Fear & Greed Index

The headline is ETH Fear & Greed (Classic), a simple Ethereum replica of the factor set and weights alternative.me publishes for Bitcoin. Each day gets a 0–100 reading in five bands, from Extreme Fear (0–24) to Extreme Greed (75–100). Surveys are paused, matching alternative.me, and that weight is redistributed across the factors that are present.

Factor weights and scoring details

1. Volatility 25% 14-day ETH realized volatility and 30-day drawdown, each as a z-score versus the blended 30- and 90-day mean (scaled by the 90-day standard deviation). Unusual volatility or drawdown scores as fear.
2. Momentum / volume 25% 14-day ETH return and volume, same z-score map. High volume in a rising market scores as greed; high volume in a falling market scores as fear.
3. Social 15% English Wikipedia pageviews for “Ethereum”. Unusual attention is signed by the 14-day ETH return: a pageview spike in a rising market scores as greed; the same spike in a falling market scores as fear. (A free, reproducible stand-in for their social-interaction feed.)
4. Surveys 15% paused Paused, matching alternative.me. The weight is redistributed, it is not filled with a substitute.
5. Dominance 10% ETH share of total crypto market cap. For an altcoin, a rise in dominance is treated as greed (the opposite of their Bitcoin rule).
6. Trends 10% Google Trends is not reliably available without a paid API, so this uses daily GDELT news-volume intensity for “ethereum”. Same direction-aware rule as social: unusual news volume in a sell-off scores as fear, not greed.

Each factor’s 14-day lookback is converted to a z-score versus the blended 30- and 90-day trailing mean and the 90-day trailing standard deviation, then passed through a standard normal CDF and scaled to 0–100, so a typical day scores 50 and the 25/75 bands are actually reachable. A 5-day causal EMA is applied to the z-scores. The headline is 100×Φ of the weighted average z. No lookahead, no fitted scale. A day needs volatility and momentum/volume; any other missing factor has its weight redistributed that day.

Labels: Extreme Fear 0–24, Fear 25–44, Neutral 45–55, Greed 56–74, Extreme Greed 75–100.

ETH Fear & Greed Pro is a separate research model: 50% price-action and 50% sentiment, scored as a trailing 3-year percentile. It is shown as a secondary card, not the headline. BTC Fear & Greed is the published alternative.me Bitcoin index, included as a reference. This site is not affiliated with alternative.me.