---
title: "Implied volatility sample (CSV)"
method: GET
path: "/api/seo/vol.csv"
tags: ["Boards"]
---

# Implied volatility sample (CSV)

`GET /api/seo/vol.csv`

## Request

- Base URL: `https://api.helious.io`
- URL: `https://api.helious.io/api/seo/vol.csv`
- Auth: none declared

Columns: gauge, measures, session, level, change, change_pct, percentile_1y, regime, low_1y, high_1y. One row per gauge, with a trailer line pointing to the API. A keyless sample carrying the current reading only. The archive and the live feed come through /v1/vol, where depth follows your plan.

## Response `200`

CSV file

---

[API](https://skmtc.dev/helious/apis/helious-public-api.md) · [All operations](https://skmtc.dev/helious/apis/helious-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/helious/apis/helious-public-api/revisions/06bada17ad7a?raw)