{"name":"kronossignals.com: options iv btc","url":"https://kronossignals.com/api/v1/options-iv/btc","method":"GET","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.","price_usd":"0.03","total_usd":"0.03","chains":["base"],"category":"api","verified":true,"status":"ok","checked_at":"2026-09-06T19:19:10+00:00","source":{"name":"x402 Bazaar","url":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources"},"seller":null,"capability":"data","provider":{"key":"kronossignals.com","name":"kronossignals","host":"kronossignals.com"},"sample_body":null,"featured":false,"why":"","pay":"pay_x402('https://kronossignals.com/api/v1/options-iv/btc')","id":"kronossignals-com-api-v1-options-iv-btc","reviews":[],"summary":null,"page":"https://api.mechawallet.com/explore/kronossignals-com-api-v1-options-iv-btc","badge":"https://api.mechawallet.com/explore/kronossignals-com-api-v1-options-iv-btc/badge.svg"}