{"uid":"cap_hgCdHn-5zAuXyIn6NNwCV","slug":"kronos-eth-implied-volatility-surface-c91802cf","name":"Kronos ETH Implied Volatility Surface","description":"Implied volatility surface for BTC and ETH from Deribit options (public API, no auth). Returns ATM IV (annualized %), IV rank and IV percentile from Kronos iv_history (daily cron), term structure (weekly/1m/3m ATM IV + contango/backwardation/flat shape label), 25-delta risk reversal (BS-approximated strikes), 10-delta wing IVs, max-pain strike across top-5 expiries, and a vol-regime label. Falls back to OKX if Deribit is unreachable. $0.03 USDC via x402.","url":"https://kronossignals.com/api/v1/options-iv/eth?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cz0zX2VSqzk1-yvQKEPvh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the full ETH options implied volatility surface from Deribit, including ATM IV, IV rank/percentile, term structure, risk reversals, wing IVs, max-pain strike, and vol-regime label","exampleAgentPrompt":"What's the current ETH implied volatility surface — give me the ATM IV, IV rank, term structure shape, 25-delta risk reversal, and vol regime label from Kronos right now.","exampleUseCases":[{"title":"ETH options trade setup check","prompt":"Before I sell an ETH straddle, can you pull the current ATM IV, IV rank, and vol regime for ETH so I know if vol is historically elevated and worth selling?"},{"title":"ETH term structure contango analysis","prompt":"Is the ETH volatility term structure currently in contango or backwardation? I want to see the weekly, 1-month, and 3-month ATM IV levels to decide where to position."},{"title":"ETH max pain and risk reversal monitoring","prompt":"What's the max pain strike for ETH across the top expiries right now, and what does the 25-delta risk reversal tell us about skew — is the market leaning puts or calls?"}],"resultDescription":"A structured JSON object containing: ATM implied volatility (annualized %), IV rank and IV percentile from historical data, term structure with weekly/1m/3m ATM IVs and a shape label (contango/backwardation/flat), 25-delta risk reversal with BS-approximated strikes, 10-delta wing IVs for calls and puts, max-pain strike across the top 5 expiries, and a vol-regime classification label. Data sourced from Deribit with OKX fallback.","failureModes":["Deribit and OKX both unreachable — endpoint may return error or stale data","Payment failure via x402 if USDC balance is insufficient (cost: $0.03 per call)","Stale IV rank/percentile data if daily cron has not yet run","Thin options market during low-liquidity periods may affect accuracy of BS-approximated strikes"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive ETH options volatility snapshot in a single call — especially when you need both the level (ATM IV) and shape (term structure, skew, regime) of the vol surface together. Prefer over generic market data APIs when ETH-specific options analytics like IV rank, risk reversal, max pain, and regime labeling are required. The Deribit→OKX fallback improves reliability vs. single-source alternatives.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T18:51:13.021Z","isFirstParty":false,"canonicalSlug":"kronos-eth-implied-volatility-surface-c91802cf"}