{"slug":"derivs-duoleads-com-v1-options-3193fc","title":"Implied volatility (IV) of crypto options per expiry from Deribit, Bybit and OKX","host":"derivs.duoleads.com","method":"GET","resource":"https://derivs.duoleads.com/v1/options","category":"market","description":"Implied volatility (IV) of crypto options per expiry from Deribit, Bybit and OKX: ATM IV, 25-delta skew, put/call open interest ratio, max pain and Deribit's DVOL index; with an expiry, the options chain per strike with the greeks as each venue publishes them. Volatility surface inputs for BTC and E","price_listed":0.003,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":3,"reported_payers_30d":3,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"coin":"BTC"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"coin":{"description":"Underlying coin: BTC, ETH, SOL ... (options exist mainly for BTC and ETH).","maxLength":32,"minLength":1,"type":"string"},"expiry":{"description":"Optional expiry date YYYY-MM-DD (UTC): only that expiry, plus its chain per strike with the venues' greeks. Default: the 6 nearest expiries, no chain.","pattern":"^\\d{4}-\\d{2}-\\d{2}$","type":"string"}},"required":["coin"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Implied volatility (IV) of crypto options per expiry from Deribit, Bybit and OKX: ATM IV, 25-delta skew, put/call open interest ratio, max pain and Deribit's DVOL index; with an expiry, the options chain per strike with the greeks as each venue publishes them. Volatility surface inputs for BTC and ETH options. Data only. Bad input is free; nothing is charged when no venue answers.","last_updated":"2026-10-15T12:18:24.269Z","schemes":["exact"]}