Endpoint · evidenceGETapi.myceliasignal.com/oracle/svi/eth/usd

ETH SVI surface — arbitrage-free fitted IV across all expiries — Ed25519 signed attestation

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.05 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xd593832c…4e96700d

URL

https://api.myceliasignal.com/oracle/svi/eth/usd

Seen

first 35 days ago · last 26 days ago

29 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.1

UN
RATED

0.808 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 0.192: 0.133 uncertain ? + 0.059 short ? · 0.092 to A

How the composite of 0.808 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.780		0.468	0	−0.132
latency p95 it answered as fast as its class	0.20	0.70	0.699		0.140	−0.059	−0.001
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.808	gap to 1.000 = 0.192 · 0.059 short · 0.133 uncertain	0.808	−0.059	−0.133

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.780   liveness       
+ 0.200 × 0.699   latency p95    
+ 0.200 × 1.000   price stability
= 0.808           → UNRATED: 28 of 30 paid calls      weights 2026.09.1 · 28 samples · seed cap_01M1A5Q75ZD045NV86SQEMDJMQ|2026-08-15T21:06:38.212Z|2026.09.1

Verify it yourselfnpx teppi-check https://api.myceliasignal.com/oracle/svi/eth/usdcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5Q75ZD045NV86SQEMDJMQ