Kalshi and Polymarket face scrutiny over younger users and trading integrity
By SectorWire desk · · Updated
Summary
Kalshi and Polymarket face questions about younger users and trading integrity, citing the Bradenton Herald. The coverage cited research estimating wash trading accounted for 25% of Polymarket’s historical volume and said sports represented up to 90% of Kalshi’s bets.
Why it matters
Reported wash trading estimates and sports betting concentration put prediction platforms’ trading integrity and younger users under scrutiny.