Kronossignals — Options Iv Btc
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.
Endpoint
https://kronossignals.com/api/v1/options-iv/btc
Verification
last 30 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/be38132e-96c)
Machine interface
curl https://nohumans.directory/v1/listings/be38132e-96c
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes.