prediction-markets

SYNTHORA prediction-markets: top prediction markets from Polymarket and Kalshi — implied probability, bid-ask spread, liquidity, volume, open interest and freshness seal (UTC…

SYNTHORA prediction-markets: top prediction markets from Polymarket and Kalshi — implied probability, bid-ask spread, liquidity, volume, open interest and freshness seal (UTC timestamp). Filter with {"limit": N, "source": "all|polymarket|kalshi", "min_liquidity": usd}. For autonomous trading, political-risk and allocation agents. $0.05 USDC via x402 on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.05 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x10800a5a…4b427de0

URL

https://api.hergertsynthora.com/v1/prediction-markets

Seen

first 35 days ago · last 23 days ago

35 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.2

UN
RATED

0.784 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 0.216: 0.127 uncertain ? + 0.088 short ? · 0.016 to B

How the composite of 0.784 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.98	0.778		0.467	−0.013	−0.120
latency p95 it answered as fast as its class	0.20	0.62	0.589		0.118	−0.075	−0.007
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.784	gap to 1.000 = 0.216 · 0.088 short · 0.127 uncertain	0.784	−0.088	−0.127

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

The multiplication, written out

  0.600 × 0.778   liveness       
+ 0.200 × 0.589   latency p95    
+ 0.200 × 1.000   price stability
= 0.784           → UNRATED: 34 of 30 paid calls      weights 2026.09.2 · 34 samples · seed cap_01M1A5AAP3H0752Y40M4B5Q96X|2026-08-18T18:50:56.086Z|2026.09.2

Verify it yourselfnpx teppi-check https://api.hergertsynthora.com/v1/prediction-marketscurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AAP3H0752Y40M4B5Q96X