Endpoint · market dataPOSTmarkt.halowerk.com/open-interest

Compares the open interest recorded now with the value this hub recorded itself at the start of the window, so both numbers come from the same source and the same basis.

Compares the open interest recorded now with the value this hub recorded itself at the start of the window, so both numbers come from the same source and the same basis. Notional value is always taken with the price of its own point in time, never recomputed with the current price. price_change_pct and volume_change_pct cover exactly the same window from the recorded minute candles. interpretation follows a rule printed in the answer, so a buyer can recompute it: price and open interest rising t

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.003 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2880edff…771c4e5e

URL

https://markt.halowerk.com/open-interest

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

0.448 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.552: 0.167 uncertain ? + 0.385 short ? · 0.002 to D

How the composite of 0.448 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.69	0.414		0.248	−0.185	−0.167
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		0.448	gap to 1.000 = 0.552 · 0.385 short · 0.167 uncertain	0.448	−0.385	−0.167

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

The multiplication, written out

  0.600 × 0.414   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.448           → UNRATED: 28 of 30 paid calls      weights 2026.09.1 · 28 samples · seed cap_01M1A5Q980XV1SDPG3RFDS5QK3|2026-08-15T22:08:31.424Z|2026.09.1

Verify it yourselfnpx teppi-check https://markt.halowerk.com/open-interestcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5Q980XV1SDPG3RFDS5QK3