Endpoint · market dataGETkronossignals.com /api/v1/options-iv/eth
Implied volatility surface for BTC and ETH from Deribit options (public API, no auth).
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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.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.03 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://kronossignals.com/api/v1/options-iv/eth
Seen
first 15 hr ago · last 15 hr ago
1 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.213 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.787: 0.750 uncertain ? + 0.037 short ? · 0.237 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.75 | 1.00 | 0.000 | 0.000 | 0 | −0.750 | |
| latency p95 it answered as fast as its class |
0.25 | 0.85 | 0.850 | 0.213 | −0.037 | 0 | |
| Composite | 1.00 | 0.213 | gap to 1.000 = 0.787 · 0.037 short · 0.750 uncertain | 0.213 | −0.037 | −0.750 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score
The multiplication, written out
0.750 × 0.000 liveness
+ 0.250 × 0.850 latency p95
= 0.213 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M42Q4ARTMJB6CQJJY06R7HXD|2026-09-04T06:39:21.903Z|2026.09.6
Verify it yourself
npx teppi-check https://kronossignals.com/api/v1/options-iv/ethcurl -s https://api.teppi.xyz/v1/trust/cap_01M42Q4ARTMJB6CQJJY06R7HXD