---
title: "Crypto implied volatility: Deribit DVOL index level, 24h change and historical percentile"
method: GET
path: "/v1/vol/dvol"
---

# Crypto implied volatility: Deribit DVOL index level, 24h change and historical percentile

`GET /v1/vol/dvol`

## Request

- Base URL: `https://data.greeneris.io` (the document declares no server; this is the origin it was published from)
- URL: `https://data.greeneris.io/v1/vol/dvol`
- Auth: none declared

Deribit DVOL index (30-day annualized implied volatility from the options order book) for BTC or ETH, delivered as a risk signal: current level, 24h change, and min/max/percentile over a lookback window. Query: ?asset=BTC|ETH&window=7d|30d|90d (defaults BTC, 30d). JSON, 5min cache. Derived from Deribit public volatility-index candles.

## Query parameters

- `asset` 'BTC' | 'ETH'
- `window` '7d' | '30d' | '90d'

## Response `200`

Successful response

- unknown

---

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