Endpoint · lookupGETperp-gap-api.perpgap.workers.dev/history?interval=1h&ticker=NVDA

Use when an agent needs to backtest or chart how a stock perp's premium/discount and funding evolved, including weekends and holidays when the stock is shut.

Use when an agent needs to backtest or chart how a stock perp's premium/discount and funding evolved, including weekends and holidays when the stock is shut. One ticker: trade.xyz perp mark/oracle vs stock and xStock, basis, funding, OI, Aster/Lighter/OKX cross-venue gaps; 30-minute snapshots plus ~60d backfill, up to 90 days per call. Bad params return 400/404 before any charge. Errors: 400, 402, 404, 502. Data, not advice.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.02 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2d82dcb9…8a51254f

URL

https://perp-gap-api.perpgap.workers.dev/history?interval=1h&ticker=NVDA

MCP server on this host: dev.workers.perpgap.perp-gap-api/perp-gap

Seen

first 8 days ago · last 14 hr ago

8 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

0.274 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 0.726: 0.526 uncertain ? + 0.200 short ? · 0.176 to D

How the composite of 0.274 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	0.123		0.074	0	−0.526
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		0.274	gap to 1.000 = 0.726 · 0.200 short · 0.526 uncertain	0.274	−0.200	−0.526

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

The multiplication, written out

  0.600 × 0.123   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.274           → UNRATED: 7 of 30 paid calls      weights 2026.09.6 · 7 samples · seed cap_01M4Z1KDZHQZ31FGYRWC7T3N8G|2026-09-22T00:45:44.623Z|2026.09.6

Verify it yourselfnpx teppi-check https://perp-gap-api.perpgap.workers.dev/history?interval=1h&ticker=NVDAcurl -s https://api.teppi.xyz/v1/trust/cap_01M4Z1KDZHQZ31FGYRWC7T3N8G