---
title: "List underlyings active on a date"
method: GET
path: "/v1/underlying"
tags: ["Underlying"]
---

# List underlyings active on a date

`GET /v1/underlying`

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.

## Query parameters

- `limit` integer
- `date` string, date
- `min_premium` number, double
- `min_volume` integer

## Response `200`

Tickers ranked by total premium.

- TickerListSuccess
  - `data` TickerListItem[], required
    - `ticker` string, required
    - `totalPremium` number, double, required — Total premium (USD) across all option trades on the day.
    - `totalVolume` integer, required — Total option contracts traded.
  - `meta` Meta, required
    - `timestamp` string, date-time, required — Server-side timestamp the response was generated at.
    - `requestId` string, required — Short opaque ID for log correlation.

## Other responses

- `400` — Request validation failed.
- `401` — Missing or invalid API key.
- `402` — The account's shared Skylit credit balance is lower than this route's cost. Top up to continue. Carries `X-Credits-Remaining: 0`.
- `403` — API key revoked/expired, monthly quota exceeded, or the account's API access is suspended (`account_suspended`).
- `429` — Per-minute rate limit exceeded.

---

[API](https://skmtc.net/skylit/apis/flowseeker-skylit-public-api.md) · [All operations](https://skmtc.net/skylit/apis/flowseeker-skylit-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/skylit/flowseeker-skylit-public-api/versions/3280190b1b24/schema)