The integrity build: Inside prediction markets’ new police

In eighteen months, the prediction market industry has assembled the surveillance apparatus that took stock exchanges decades: named detection engines, encrypted prohibited-person lists, league partnerships, forensic academics, and employment disclosure for high-risk traders. Here is the architecture, who is building it, and the cost nobody in the sector wants to price. Summary Kalshi now runs a proprietary detection engine called Poirot alongside Solidus Labs for trade surveillance, IC360 for sports integrity screening, and the Wharton Forensic Analytics Lab for statistical detection methods. The screening moved from post-trade investigation to preemptive blocking: athletes, coaches, referees, and league personnel are screened against lists built with IC360 and the NHL, while candidates are blocked from trading their own races. Polymarket built differently, pairing multi-layered surveillance across its offshore and US platforms with a March partnership involving Palantir and TWG AI for sports market monitoring. The vendors are consolidating into a de facto standard, with IC360 and Eventus combining insider-risk lists and real-time trade surveillance into a package explicitly marke...