Strange Polymarket trades, a KPMG employee, and a prediction market insider trading case

At a time when U.S. enforcement authorities and regulators are more closely scrutinizing insider trading in the prediction-markets space by public-company employees, another alleged insider-trading case is unfolding, this time concerning a KPMG employee.

Strange trades emerge

In late 2025 and early 2026, multiple Polymarket users flagged suspicious activity concerning KPMG-audited companies that were described as “trading strangely.”