{"uid":"cap_SbVPqzVCabW4RXvE6e3IQ","slug":"bykaranteli-implied-volatility-index-history-eb2ccaf3","name":"ByKaranteli Implied Volatility Index History","description":"Track verified crypto futures signals with live win rate, profit factor, funding data, and liquidation maps. Deterministic, auditable, operator-first.","url":"https://bykaranteli.com/api/x402/dvol-history?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true,"rows":[],"count":500,"dataset":"dvol-history"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SuY8kuku5XpDpZbRyZq4Z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns daily implied volatility index (DVOL) history for BTC and ETH, the crypto equivalent of VIX, going back to 2021.","exampleAgentPrompt":"Pull the daily DVOL implied volatility index history for BTC from January 2023 through December 2023, up to 500 rows.","exampleUseCases":[{"title":"Backtest volatility regime strategy","prompt":"I need the daily implied volatility index history for BTC going from January 2022 to December 2022 — give me up to 500 rows so I can backtest a vol-regime switching strategy."},{"title":"Compare BTC vs ETH vol surfaces","prompt":"Fetch the DVOL history for ETH from the start of 2023 to today so I can compare how ETH implied volatility moved relative to BTC during last year's rallies."},{"title":"Options pricing model calibration","prompt":"Get me the daily BTC implied volatility index data from 2021 through mid-2024, limit 1000 rows, so I can calibrate my options pricing model with a full vol cycle."}],"resultDescription":"A JSON object with ok:true, a dataset label of 'dvol-history', a count of returned rows, and a rows array containing daily implied volatility index readings for the requested symbol(s) with timestamps and DVOL values.","failureModes":["Invalid or unsupported symbol returns empty rows array","Date range with no data returns rows:[] with count:0","Exceeding the per-dataset row cap silently truncates to the cap limit","Malformed date strings in from/to params may cause errors or empty results","Payment failure via x402 protocol returns 402 status before data is served"],"whenToPreferThis":"Choose this endpoint when you need a daily time series of implied volatility for BTC or ETH — the crypto equivalent of the VIX — for backtesting, options pricing, volatility regime analysis, or quant research. It covers data back to 2021 and is purpose-built for crypto derivatives workflows, making it preferable over generic market data APIs that lack dedicated DVOL or implied vol index series.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T10:26:03.147Z","isFirstParty":false,"canonicalSlug":"bykaranteli-implied-volatility-index-history-eb2ccaf3"}