{"uid":"cap_qkukr5NGugJxjIRrYggLU","slug":"eu-verify-dvol-implied-volatility-index-a99d4637","name":"eu-verify DVOL Implied Volatility Index","description":"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.","url":"https://data.greeneris.io/v1/vol/dvol","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"asset":{"enum":["BTC","ETH"],"type":"string","default":"BTC","description":"Underlying asset"},"window":{"enum":["7d","30d","90d"],"type":"string","default":"30d","description":"Lookback window for percentile and range"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"dvol":38.14,"as_of":"2026-07-13T10:00:00+00:00","asset":"BTC","source":"Deribit DVOL implied volatility index (public API, 30-day annualized IV)","window":"30d","change_24h":-0.33,"window_max":53.19,"window_min":36.13,"window_percentile":4.6}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NjeivKHF8KFxuotcS8ixM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current Deribit DVOL implied volatility index for BTC or ETH, with 24h change and lookback-window statistics","exampleAgentPrompt":"What is the current Deribit DVOL implied volatility for BTC using a 30-day lookback window, and where does it sit relative to its recent range?","exampleUseCases":null,"resultDescription":"A JSON object containing: current DVOL value (annualized implied volatility percentage), the as_of timestamp, the asset (BTC or ETH), the lookback window used, 24h change in DVOL, window min and max values, and the percentile rank of the current value within the window. Source attribution is included.","failureModes":["Missing or invalid asset parameter defaults to BTC; unsupported asset enum returns 400","Invalid window parameter returns 400 with enum constraint error","Payment not received returns HTTP 402 with machine-readable quote for $0.02 USDC","Deribit upstream unavailable may cause delayed or stale data","No data available for requested window returns empty or error response"],"whenToPreferThis":"Use this endpoint when you need real-time or near-real-time Deribit DVOL implied volatility data for BTC or ETH, including percentile context within a rolling window. Prefer this over generic crypto price endpoints when the user specifically needs options market sentiment or IV-based signals rather than spot prices.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:24.498Z","isFirstParty":false}