derivatives

Crypto perpetual-futures data from on-chain perp DEXs: per market the funding rate (hourly + annualized %), open interest (USD and base units), mark & oracle price, 24h volume and…

Crypto perpetual-futures data from on-chain perp DEXs: per market the funding rate (hourly + annualized %), open interest (USD and base units), mark & oracle price, 24h volume and 24h price change. Ranked by open interest; filter by `coins` or `limit`. Data source: Hyperliquid (dYdX fallback).

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.002 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xb3f4de10…14c2194a

URL

https://crypto.openverbs.com/v1/derivatives

Seen

first 15 days ago · last 16 hr ago

26 free handshakes

Payment

Pays through

x402 · MPP evm, tempo

Offered on?

Base USDC, Tempo 0x8335…2913

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.595 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 0.405: 0.205 uncertain ? + 0.200 short ? · 0.055 to C

How the composite of 0.595 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	0.659		0.395	0	−0.205
latency p95 it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.595	gap to 1.000 = 0.405 · 0.200 short · 0.205 uncertain	0.595	−0.200	−0.205

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

The multiplication, written out

  0.600 × 0.659   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.595           → UNRATED: 18 of 30 paid calls      weights 2026.09.6 · 18 samples · seed cap_01M2WHZFY6GZC0T81RFG90CA26|2026-08-29T16:52:37.614Z|2026.09.6

Verify it yourselfnpx teppi-check https://crypto.openverbs.com/v1/derivativescurl -s https://api.teppi.xyz/v1/trust/cap_01M2WHZFY6GZC0T81RFG90CA26