Counterparty ratings for prediction markets

Know who’s on the other side of the trade.

Identity, history and behaviour for every wallet on Polymarket, Kalshi, Hyperliquid and Limitless. One API, one schema.

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Or email contact@heisenberg.so and we’ll set you up.

PolymarketPolymarket AnalyticsOpticOddsOddsJamKerberusPocket Universe
terminal.heisenberg.so
Bitcoin Up or Down - August 4, 10:35PM-10:40PM ET
settled
Up1¢49¢ from the open
opensettlement

936 wallets, 3,512 trades, five minutes. No time to look anyone up, so the rating arrives with the trade.

Who traded it · by weight of money
Sharp30.0%
Solid512.7%
Emerging86696.8%
Unrated160.5%
Best records in the tape
0x5d55…7cba35% ROI · 40,662 tradesSharp
0x33f1…742028% ROI · 110 tradesSharp
0x08d7…975324% ROI · 2,073 tradesSharp

97% of the money came from wallets with no proven record. That decides how wide you quote.

H-Score

How a wallet has traded across its whole history, adjusted for size and variance. Sybil clusters merged into one actor before anything is rated.

Cross-venue identity

The same trader matched across all four venues, with the price gap between them shown alongside.

Delivery

REST, WebSocket and a native MCP server. One schema, under a second, agent-ready.

Full history since each venue launched<1s event to signal99.9% uptime, trailing 12 monthsZero proprietary trading
For sports market makers

Catalogued down to the league.

Ask for a wallet’s record in one league and that’s what you get, not its record everywhere.

A strong record in one league is often unremarkable across the rest of the book, and a blended number hides exactly that. Pick a league and see for yourself.

Sports / NBA / last 15 days
COUNTERPARTYIN NBAALL MARKETS
0x2b59…9db694%49 settled41%10,835 settled
0x3879…d8c374%140 settled22%10,447 settled
0x5a21…931895%55 settled56%10,852 settled
Win rate on settled positions. The league column is the one that prices that league’s book.
VENUEDELIVERYSTATUS
PolymarketREST · WS · MCPLive
KalshiREST · WS · MCPLive
HyperliquidREST · WS · MCPLive
LimitlessREST · WS · MCPLive

Pick a market. We’ll show you who traded it.

Thirty minutes on the venues you trade. We reconstruct a market of your choosing, live on the call.