QFqfex
market-data

Open Interest Historic

Changed on

Return historic open interest for a symbol over a time range with forward filling.

get/open-interest/{symbol}

Request

  • Base URL
    https://api.qfex.com
  • URL
    https://api.qfex.com/open-interest/{symbol}
  • Auth
    none required

Path parameters

symbolstring required

Query parameters

intervalMinutesinteger required
fromISOstring required
toISOstring required
api_versionstring
Example:2026-10-30

Published API contract date. Omit or use latest for the latest contract; explicit dates stay pinned. Applies to request validation and response format.

Response

OK

$schemastring uri

A URL to the JSON Schema for this object.

countinteger required

Example response

{
  "$schema": "https://api.qfex.com/contracts/2026-10-30/schemas/OpenInterestHistoricResponseBody.json"
}

Changes