v1

latestOpenAPI 3.1.02026-07-2655154175.6 KB

Underlying

List underlyings active on a date

Lists every ticker that traded options on the requested date, ordered by total premium (descending). Useful as a starting point for discovery or for repopulating the universe of tradable tickers.

get/v1/underlying

Query parameters

limitinteger

Maximum rows to return. Server caps at 500.

datestring date

Example:2026-05-27

Trading date the request targets, in YYYY-MM-DD. Defaults to the current trading date (the most recent session that has settled enough data to be queryable). Past dates fall through to the daily rollup tables.

min_premiumnumber double

Minimum total premium (USD) for the day.

min_volumeinteger

Minimum total option volume for the day.

Response

Tickers ranked by total premium.

Example response

{
  "data": [
    {
      "ticker": "SPY"
    }
  ],
  "meta": {
    "requestId": "d7574836"
  }
}