{"uid":"cap_8wghg8A2HbdasbKkhRw3M","slug":"kronos-options-iv-api-234db396","name":"Kronos Options IV API","description":"Paid market-intelligence API over x402","url":"https://kronossignals.com/api/v1/options-iv/%7Basset%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"as_of":"2026-07-02T10:00:00.000Z","asset":"BTC-USD","atm_iv":42.8,"iv_rank":58.3,"skew_25d":3.8,"available":true,"skew_note":"25-delta risk reversal: put IV minus call IV at BS-approximated 25-delta strikes.","disclaimer":"Options data from Deribit public API. Informational only.","vol_regime":"normal","data_source":"deribit","iv_rank_note":"Based on 45 trading days of ATM IV history.","iv_percentile":61.2,"term_structure":[{"label":"weekly","atm_iv":44.2,"expiry":"5JUL26","days_to_expiry":3},{"label":"1m","atm_iv":42.5,"expiry":"31JUL26","days_to_expiry":29},{"label":"3m","atm_iv":40.1,"expiry":"25SEP26","days_to_expiry":85}],"iv_history_days":45,"max_pain_strike":60000,"vol_regime_note":"ATM IV 42.8%, term structure contango.","wing_10d_put_iv":49.2,"underlying_price":61200,"wing_10d_call_iv":38.5,"term_structure_shape":"contango"}},"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_EYf1blDyp7Fwe22NSdgao","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 implied volatility metrics for a crypto asset, including ATM IV, IV rank, skew, term structure, and volatility regime, sourced from Deribit.","exampleAgentPrompt":"What's the current implied volatility picture for BTC — IV rank, ATM IV, 25-delta skew, and term structure shape — so I can assess whether options are cheap or expensive right now?","exampleUseCases":[{"title":"Options pricing check before trade","prompt":"Before I sell a BTC covered call, can you pull the current ATM implied volatility, IV rank, and 25-delta skew for BTC so I know if the premium environment is worth it?"},{"title":"Volatility regime alert for crypto portfolio","prompt":"What volatility regime is BTC in right now — is the term structure in contango or backwardation, and where does the current IV rank stand relative to the past 45 days?"},{"title":"ETH options term structure analysis","prompt":"Pull the options implied volatility term structure for ETH — show me ATM IV across the weekly, one-month, and three-month expiries so I can spot any unusual shapes."}],"resultDescription":"A JSON object containing: ATM implied volatility, IV rank (0-100 percentile over ~45 days), IV percentile, 25-delta risk reversal skew, wing IVs (10-delta put and call), term structure across weekly/1m/3m expiries with days to expiry, volatility regime classification (e.g. normal/elevated), max pain strike, underlying spot price, data source (Deribit), and timestamp.","failureModes":["Unsupported asset symbol returns an error or empty response","Deribit API unavailability causes upstream data gap","Stale or cached data if market is illiquid for the requested asset","Payment failure (x402) if USDC balance is insufficient — endpoint requires $0.03 USDC per call","Invalid asset format (e.g. missing '-USD' suffix) may yield no results"],"whenToPreferThis":"Choose this endpoint when you need structured, multi-dimensional implied volatility data for crypto options — specifically IV rank, skew, term structure, and volatility regime in a single call. Prefer this over generic price APIs when the user is analyzing options pricing, premium richness, or directional skew in crypto derivatives markets. Best suited for agents automating options trade evaluation or volatility monitoring workflows. The x402 micropayment model means no subscription required — pay per query.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:39:06.796Z","isFirstParty":false}