Endpoint · computeGETblockrun.ai /api/v1/pm/polymarket/markets/EVM%20transaction%20or%20block%20hash%20(0x-prefixed%2C%2064%20hex%20characters)/open_interest
Get historical open interest data for a market
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.0085 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://blockrun.ai/api/v1/pm/polymarket/markets/EVM%20transaction%20or%20block%20hash%20(0x-prefixed%2C%2064%20hex%20characters)/open_interest
Seen
first 9 days ago · last 11 hr ago
15 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.659 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 0.341: 0.246 uncertain ? + 0.096 short ? · 0.141 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.590 | 0.354 | 0 | −0.246 | |
| latency p95 it answered as fast as its class |
0.20 | 0.52 | 0.522 | 0.104 | −0.096 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.659 | gap to 1.000 = 0.341 · 0.096 short · 0.246 uncertain | 0.659 | −0.096 | −0.246 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.590 liveness
+ 0.200 × 0.522 latency p95
+ 0.200 × 1.000 price stability
= 0.659 → UNRATED: 15 of 30 paid calls weights 2026.09.6 · 15 samples · seed cap_01M3BHGAFWYT3XFV117D0X4J32|2026-09-04T05:36:19.701Z|2026.09.6
Verify it yourself
npx teppi-check https://blockrun.ai/api/v1/pm/polymarket/markets/EVM%20transaction%20or%20block%20hash%20(0x-prefixed%2C%2064%20hex%20characters)/open_interestcurl -s https://api.teppi.xyz/v1/trust/cap_01M3BHGAFWYT3XFV117D0X4J32