Polymarket Accused of Using Fake Winning Bets in Viral Marketing Campaign

Jun 21, 2026

A Wall Street Journal investigation alleges prediction market Polymarket paid creators to stage fake winning bets on copycat websites as part of a viral marketing campaign. The probe found none of the ~$1.9 million in bets shown across 1,105 videos were real. The allegations surface as Polymarket, previously fined $1.4M by U.S. regulators, seeks to re-enter the American market. The company says it will review its promotional content.

Prediction market growth

▪Open interest in prediction markets reached a record $1.48 billion in the week ending June 15, 2026.
▪Prediction market open interest, the value of active bets, has increased sixfold in the last year.

Polymarket fake marketing allegations

▪The marketing campaign used dummy websites, such as poiymarket.com, designed to mirror the real platform.
▪Creators were paid approximately $2,000 to $3,000 a month and were instructed not to disclose the payments.
▪A Wall Street Journal investigation alleges Polymarket paid social media creators to stage fake winning bets on copycat websites.
▪The investigation reviewed 1,105 videos and found none of the roughly $1.9 million in bets shown were genuine.
▪In response to the allegations, Polymarket stated it will conduct a thorough review of its promotional content.
▪In 2022, U.S. regulators fined Polymarket $1.4 million for operating an unregistered market.
▪Across 118 videos, creators celebrated about $900,000 in fabricated wins from bets that would have actually lost over $166,000.

Dear Media podcast partnership

▪The weekly audio and video show combines pop culture news with live trading data from Polymarket.
▪Polymarket has partnered with Dear Media to launch its first podcast, titled "What Are the Odds?".

User demographics expansion strategy

▪The podcast is part of a strategy to expand Polymarket's user base beyond its current narrow, mostly male demographic.
▪Sports betting (39%), crypto (20%), and politics (32%) currently account for 91% of Polymarket's trading volume.