The Journal. The Journal.

How Polymarket Made Fake Bets Go Viral

Jul 6, 2026 · 21m

Summary

WSJ reporters Catherine Long and Kaitlin Ostroff expose how Polymarket used fake betting videos to go viral on social media. They discovered creators used a spoof website and manipulated timelines to fabricate huge wins, while a marketing firm paid teens in Asia to amplify the content. The investigation reveals that most users lose money, highlighting deceptive advertising tactics in the competitive prediction market industry.

Topics discussed

Introduction: Viral Polymarket videos and the investigation Sponsors: Accenture and Optum The pattern of fake winning bets on social media Discovery of the fake 'Poi Market' website Evidence of manipulated timelines and fake winnings Sponsors: ServiceNow and Mariner Polymarket's competitive pressure and marketing goals The 'clipping' campaign using global contractors Regulatory response from CFTC and FTC Reality of user losses and ongoing fake ads
Listen ad-free on Castria