{"uid":"cap_jhbMJWbzylZM76puuAfKq","slug":"deribit-options-volatility-skew-46f0ded4","name":"Deribit Options Volatility Skew","description":"Deribit BTC or ETH options for one expiry (default: nearest unexpired): at-the-money implied volatility (mark IV), and an IV skew at ±10% moneyness (put at 0.9x spot minus call at 1.1x spot, in IV points). This is a moneyness skew, not a 25-delta skew: Deribit's summary has no delta, so per-strike delta calls are not made.","url":"https://api.chainmarket-api.workers.dev/api/crypto/deribit-options-skew?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"},"queryParams":{"type":"object","required":[],"properties":{"expiry":{"type":"string","description":"Expiry as Deribit writes it, e.g. 30OCT26 (optional; default nearest)"},"currency":{"type":"string","description":"BTC or ETH (default BTC)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"expiry":"30OCT26","source":"https://www.deribit.com/api/v2/public/get_book_summary_by_currency?currency=BTC&kind=option","putWing":{"ivPct":44.89,"strike":73000},"atmIvPct":31.2,"callWing":{"ivPct":37.46,"strike":90000},"currency":"BTC","checkedAt":"2026-10-23T09:35:56.668Z","expiryDate":"2026-10-30","skewIvPoints":7.43,"underlyingPrice":81630.19,"instrumentsInExpiry":112}},"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":"unknown","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_L9q215EndGGJkwfvwKHZ_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the implied volatility skew for BTC or ETH options on Deribit for a given expiry, including ATM IV, put/call wing IVs and strikes, and skew in IV points.","exampleAgentPrompt":"What's the current implied volatility skew for BTC options on Deribit at the 30OCT26 expiry — give me the ATM IV, the put and call wing IVs, and the skew in IV points.","exampleUseCases":[{"title":"Market sentiment via options skew","prompt":"Check the Deribit options skew for BTC right now — I want to know if puts or calls are more expensive in terms of implied vol, and by how many IV points."},{"title":"Pre-trade vol surface check for ETH","prompt":"Before I put on an options trade, pull the Deribit vol skew for ETH options at the nearest expiry — show me the ATM IV and where the put and call wings are priced."},{"title":"Monitoring skew for a specific expiry","prompt":"I'm tracking the 30OCT26 BTC options expiry on Deribit — can you fetch the current skew data, including the ATM implied vol and the put/call wing strikes and IVs?"}],"resultDescription":"Returns a JSON object with the expiry label and date, currency, source URL, ATM implied volatility percentage, put wing (IV% and strike), call wing (IV% and strike), skew in IV points (put wing IV minus call wing IV), current underlying spot price, number of instruments in that expiry, and a timestamp of when the data was fetched.","failureModes":["Invalid currency value (not BTC or ETH) — returns an error","Expiry string not in Deribit format (e.g. missing month abbreviation) — returns error or defaults to nearest","No options instruments found for the requested expiry — empty or error response","Deribit API upstream unavailable — propagated error or timeout","Payment failure — call is not charged if it fails"],"whenToPreferThis":"Use this endpoint when you need live Deribit-sourced options volatility skew data for BTC or ETH without managing API keys or authentication. It is ideal for agents performing crypto derivatives analysis, sentiment gauging via put/call skew, or vol surface monitoring. Prefer it over building direct Deribit API integrations when you want a pay-per-call model with no signup friction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:40:06.363Z","isFirstParty":false,"canonicalSlug":"deribit-options-volatility-skew-46f0ded4"}