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v5

latestOpenAPI 3.1.0Proprietary2026-08-031,5423,1505.5 MB
Crypto

Classification band distribution over a lookback window

Server-side aggregation over the last N days of Alternative.me Fear & Greed Index observations. Returns one count per classification band (Extreme Fear, Fear, Neutral, Greed, Extreme Greed), the arithmetic mean of the raw 0-100 value, and the inclusive period bounds. Useful for monitoring regime shifts without processing the full series.

get/api/v1/crypto/fear-greed/classification-breakdown

Query parameters

daysinteger

Lookback window in days. Upstream provides one observation per UTC day, so days also equals the number of observations aggregated.

Lookback window in days. Upstream provides one observation per UTC day, so days also equals the number of observations aggregated.

Response

Per-band counts, average value, and the inclusive period bounds.

Example response

{
  "data": {
    "name": "Fear and Greed Index",
    "days": 30,
    "extreme_fear": 3,
    "fear": 7,
    "neutral": 4,
    "greed": 12,
    "extreme_greed": 4,
    "average_value": 58.3,
    "period_start": "2026-03-21T00:00:00Z",
    "period_end": "2026-04-19T00:00:00Z",
    "count": 30
  },
  "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"
    ]
  }
}