---
title: "GET /v1/options/expirations/{underlying}/"
method: GET
path: "/v1/options/expirations/{underlying}/"
tags: ["v1"]
---

# GET /v1/options/expirations/{underlying}/

`GET /v1/options/expirations/{underlying}/`

Get a list of current or historical option expiration dates for an underlying symbol.
If no optional parameters are used, the endpoint returns the expirations for strike in the
chain.

## Path parameters

- `underlying` string, required

## Query parameters

- `format` 'csv' | 'json'
- `strike` string
- `date` string, date
- `nonstandard` boolean
- `dateformat` 'spreadsheet' | 'timestamp' | 'unix'
- `limit` integer
- `offset` integer
- `headers` boolean
- `columns` string
- `human` boolean

## Response `200`

- object

---

[API](https://skmtc.net/marketdata/apis/market-data-api.md) · [All operations](https://skmtc.net/marketdata/apis/market-data-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/marketdata/market-data-api/versions/902f045c5a00/schema)