Historical Crypto Fear & Greed Index time series
Daily Crypto Fear & Greed Index observations from Alternative.me, the originating publisher of the composite sentiment indicator. The 0-100 score weights volatility (25%), market momentum and volume (25%), social media (15%), Bitcoin dominance (10%), trends (10%), and surveys when available (15%). The index refreshes once per day near 00:00 UTC; Sugra caches responses for 24 hours. Licence: CC BY 4.0.
Query parameters
Number of most-recent daily observations to return. Upper bound covers the full history available upstream since 2018-02-01.
Number of most-recent daily observations to return. Upper bound covers the full history available upstream since 2018-02-01.
Upstream date_format parameter. Sugra always returns ISO 8601 UTC timestamps regardless of this value; it is preserved for caller traceability.
Upstream date_format parameter. Sugra always returns ISO 8601 UTC timestamps regardless of this value; it is preserved for caller traceability.
Response
Daily observations ordered newest first, plus the echoed request parameters.
Example response
{
"data": {
"name": "Fear and Greed Index",
"observations": [
{
"value": 73,
"value_classification": "Greed",
"timestamp": "2026-04-19T00:00:00Z",
"time_until_update": 18000
}
],
"count": 30,
"limit": 30,
"date_format": "us"
},
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "sugra_crypto",
"attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
"fallback_chain": [
"sugra_crypto",
"sugra_finance"
]
}
}