Put/call ratio history (20-year stitched series)

EXCHANGE-WIDE daily put/call series per family (total, index, equity, etp, vix, spx), stitched from the frozen ratio archives (from 2006; spx from 2010) and the daily statistics feed (2019-10-07 onward). Dated definition edges are declared in definition_changes; response coverage (incl. any live-tail gap) is machine-readable in 'coverage'. Open-interest legs exist from 2019-10-07 only - the archive era is volume-only, declared null. Rules: rows filtered by [start, end]; dates after the committed dataset come from a bounded live tail; 'limit' keeps the NEWEST rows and sets truncated=true.

familystring required

Series family.

startstring nullable

First date (YYYY-MM-DD), inclusive.

endstring nullable

Last date (YYYY-MM-DD), inclusive.

limitinteger nullable

Keep only the newest N rows after filtering.

Response

Ascending daily put/call rows for one family.

Example response

{
  "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"
    ]
  }
}

v

Put/call ratio history (20-year stitched series)

Query parameters

Response

Example response