The Wall Street Journal (WSJ) reported that around 70% of 1,105 promotional videos published by 10 content creators between December 2025 and mid-May contained bets that allegedly did not exist.
According to the report, the videos featured fake bets worth almost $1.9 million.
The WSJ investigation also alleged that Polymarket developed a fake version of its platform specifically for the promotional campaign. The move was allegedly used to show wins and profits that did not actually occur in the real market.
One example highlighted involved college student George Makihara, who uploaded a video showing a profit of around $100,000 from a bet on US President Donald Trump.
However, the WSJ claimed that the video used old footage of Trump made before the betting period ended.
The report also stated that more than 50 real Polymarket users placed the same bet in January, but suffered losses.
This situation raises questions about whether the promotional content gave a misleading impression to users.
In addition, the WSJ alleged that Polymarket used fake websites, including domains that resembled the company's official website, to make the campaign a success.
Of the 118 videos analyzed, content creators reportedly celebrated winnings of nearly $900,000 that the WSJ said never existed, while the positions featured had the potential to record losses of more than $166,000 if executed in the real market.
