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.
Coinbase Agentic Market feed · snapshot May 2026 (not live on-chain)
| From | Amount | When |
|---|---|---|
| 0xebd6ab…e2e0 | $0.0200 | 2026-09-05T16:00:05 |
| 0x5ff398…127c | $0.0200 | 2026-08-25T03:32:07 |
| 0xebd6ab…e2e0 | $0.0200 | 2026-08-23T22:00:11 |
| 0xebd6ab…e2e0 | $0.0200 | 2026-08-23T04:00:05 |
| 0x5ff398…127c | $0.0200 | 2026-08-22T03:46:55 |
| 0x27abcd…248c | $0.0300 | 2026-08-14T21:50:19 |
| 0x98978c…e042 | $0.0100 | 2026-08-05T15:39:45 |
| 0x98978c…e042 | $0.0200 | 2026-08-05T15:39:43 |