List underlyings active on a date

curl --request GET \
  --url https://flow-api.skylit.ai/v1/underlying \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "ticker": "SPY",
      "totalPremium": 123,
      "totalVolume": 1
    }
  ],
  "meta": {
    "timestamp": "2023-11-07T05:31:56Z",
    "requestId": "d7574836"
  }
}

GET

underlying

curl --request GET \
  --url https://flow-api.skylit.ai/v1/underlying \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "ticker": "SPY",
      "totalPremium": 123,
      "totalVolume": 1
    }
  ],
  "meta": {
    "timestamp": "2023-11-07T05:31:56Z",
    "requestId": "d7574836"
  }
}

Authorizations

Authorization

string

header

required

Skylit API key in the Authorization header (Authorization: Bearer fs_live_<key>). X-API-Key is also accepted.

Query Parameters

limit

integer

default:50

Maximum rows to return.

Required range: 1 <= x <= 200

date

string<date>

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.

Example:

"2026-05-27"

minPremium

number<double>

Minimum total premium (USD) for the day.

Required range: x >= 0

minVolume

integer

Minimum total option volume for the day.

Required range: x >= 0

Response

Tickers ranked by total premium.

data

object[]

required

Show child attributes