{"api":"v1","generated_at":"2026-09-16T09:40:30.181Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/kronossignals-com-api-v1-options-iv-btc-c3a30c","pinned_page":"https://tollindex.com/e/kronossignals-com-api-v1-options-iv-btc-c3a30c/at/2026-09-16T04-48Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-16T04:48:25.992Z","snapshot_stamp":"2026-09-16T04-48Z","endpoint":{"slug":"kronossignals-com-api-v1-options-iv-btc-c3a30c","canonical_url":"https://kronossignals.com/api/v1/options-iv/btc","resource":"https://kronossignals.com/api/v1/options-iv/btc","http_method":"GET","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"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.","service_name":"Kronos Crypto Data & Forecasts","declared_category":null,"declared_tags":["options","implied-volatility","iv","iv-rank","iv-percentile"],"route_template":":var1","registry_updated":"2026-09-10T01:28:13.972Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"options iv btc","category":"compute","first_observed_by_toll":"2026-09-10T19:08:24.178Z","last_observed_by_toll":"2026-09-16T04:48:25.991Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-10T19:08:24.178Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.03 USDC","amount_units":0.03,"decimals_known":true,"pay_to":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","scheme":"exact"}],"counters":{"observed_at":"2026-09-16T04:48:25.992Z","calls_30d":11,"unique_payers_30d":7,"last_called_at":"2026-09-10T01:28:13.813Z"},"validation":{"latest":{"observed_at":"2026-09-16T06:11:24.227Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"endpoint_http_status":402,"run_id":"daily-2026-09-16"},"uptime":[{"days":7,"observed":6,"passed":0,"ratio":0},{"days":30,"observed":6,"passed":0,"ratio":0},{"days":90,"observed":6,"passed":0,"ratio":0}],"history_90d":[{"observed_at":"2026-09-16T06:11:24.227Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-16","state_changed":false},{"observed_at":"2026-09-15T06:27:59.692Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T05:57:18.165Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T05:49:45.080Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T08:07:00.126Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-12","state_changed":false},{"observed_at":"2026-09-11T12:04:37.178Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","page":"https://tollindex.com/seller/0x36038e1d712c5e39f35952164ec58ec2b96caee7","endpoints":38,"hosts":1},"reports":0,"registry_record":{"cdp":[{"tags":["options","implied-volatility","iv","iv-rank","iv-percentile"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","amount":"30000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"quality":{"lastCalledAt":"2026-09-10T01:28:13.813Z","l30DaysTotalCalls":11,"l30DaysUniquePayers":7},"resource":"https://kronossignals.com/api/v1/options-iv/btc","extensions":{"bazaar":{"info":{"input":{"type":"http","method":"GET","pathParams":{},"queryParams":{}},"output":{"type":"json","example":{"as_of":"2026-01-01T00:00:00.000Z","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_kind":"illustrative_schema_only","example_note":"Placeholder values and timestamps, not market data."}},"schema":{"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"}}}}},"routeTemplate":":var1"}},"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.","lastUpdated":"2026-09-10T01:28:13.972Z","serviceName":"Kronos Crypto Data & Forecasts","x402Version":2}]}}