oi-history?limit=500

Five minute open interest history for the major perpetuals in base units and USD, normalised across symbols and retained on our side, so one query replaces per-symbol paginated…

Five minute open interest history for the major perpetuals in base units and USD, normalised across symbols and retained on our side, so one query replaces per-symbol paginated pulls against exchange endpoints.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.005 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x0db4c96d…c696a62c

URL

https://bykaranteli.com/api/x402/oi-history?limit=500

Seen

first 29 days ago · last 2 days ago

54 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.730 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.270: 0.113 uncertain ? + 0.157 short ? · 0.070 to B

How the composite of 0.730 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.26	0.075		0.015	−0.147	−0.038
liveness it answered at all	0.60	0.98	0.858		0.515	−0.010	−0.076
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.730	gap to 1.000 = 0.270 · 0.157 short · 0.113 uncertain	0.730	−0.157	−0.113

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

The multiplication, written out

  0.200 × 0.075   latency p95    
+ 0.600 × 0.858   liveness       
+ 0.200 × 1.000   price stability
= 0.730           → UNRATED: 53 of 30 paid calls      weights 2026.09.6 · 53 samples · seed cap_01M1RD90MT8B4WZ60XNYGQC2CW|2026-09-03T21:43:19.258Z|2026.09.6

Verify it yourselfnpx teppi-check https://bykaranteli.com/api/x402/oi-history?limit=500curl -s https://api.teppi.xyz/v1/trust/cap_01M1RD90MT8B4WZ60XNYGQC2CW