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 - September 3, 3:40AM-3:45AM ET
settled
Up100¢+49¢ from the open
opensettlement

719 wallets, 2,884 trades, five minutes. No time to look anyone up, so the rating arrives with the trade.

Who traded it · by weight of money
Sharp60.9%
Solid290.4%
Emerging67298.4%
Unrated120.3%
Best records in the tape
0xeb34…fb8128% ROI · 141 tradesSharp
0x9220…590225% ROI · 1,265 tradesSharp
0xba5d…4fa625% ROI · 221 tradesSharp

99% 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 / MLB / last 15 days
COUNTERPARTYIN MLBALL MARKETS
0x4d15…78db95%21 settled48%921 settled
0x5dd5…1fcf96%24 settled50%1,189 settled
0x7414…72a378%23 settled34%195 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.