The Man Betting on Insider Trading as Prediction Markets Boom

The well-timed and hugely profitable bets placed just before the ouster of Nicolás Maduro have sparked the latest and loudest uproar over insider trading on prediction markets — with lawmakers questioning whether some participants are acting on confidential knowledge.

For Tre Upshaw, the episode isn’t a problem, it’s a business opportunity.

Upshaw, a 29-year-old former memecoin trader based in Nova Scotia, has created a tool called Insider Finder, which monitors for large anomalous transactions on the prediction platform Polymarket. The software, which is part of his data terminal Polysights, flags dozens of suspect moves made on the exchange every ...