Crypto Fear & Greed Index, Market Cap & Trending Coins
Pricing
Pay per usage
Crypto Fear & Greed Index, Market Cap & Trending Coins
The Crypto Fear & Greed Index (0-100 sentiment gauge), current and historical, plus a market overview (total market cap, BTC and ETH dominance, 24h volume and change) and the coins trending right now. Keyless, no account. Schedule it to build a sentiment history. Pay per row.
The Crypto Fear & Greed Index — the most-watched sentiment gauge in crypto — current and historical, plus a whole-market overview and the coins trending right now. Keyless, no account.
- Fear & Greed history — the 0–100 index (Extreme Fear → Extreme Greed) with a row per day. Traders use it to time entries and to backtest sentiment.
- Market overview — total crypto market cap, BTC and ETH dominance, 24h volume, and 24h market-cap change, alongside the current Fear & Greed reading.
- Trending coins — the coins people are searching most right now, with rank and price.
Who uses it
- Crypto traders & investors — the daily "what's the market doing" check; buy fear, sell greed.
- Newsletters & dashboards — auto-generate a sentiment/market section.
- Quants — pull the Fear & Greed history as a sentiment factor for models.
Pairs with our Crypto Market Data, Funding Rates, and Deribit Options actors.
Input
| Field | Description |
|---|---|
mode | fear_greed (history), overview (market snapshot), or trending (trending coins). |
fearGreedDays | Days of Fear & Greed history to return (fear_greed mode). |
maxRows | Row cap. |
Output
- fear_greed:
date,value(0–100),classification. - overview:
totalMarketCapUsd,total24hVolumeUsd,marketCapChange24hPct,btcDominancePct,ethDominancePct,activeCryptocurrencies,markets,fearGreedValue,fearGreedClassification. - trending:
trendingRank,name,symbol,marketCapRank,priceUsd,change24hPct.
Schedule fear_greed daily to build your own sentiment time series.
Pricing
Pay per event: $0.002 per row. The first 2 rows of every run are free.
Data sources: alternative.me (Fear & Greed Index) and CoinGecko (api.coingecko.com).