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NewsKPBS Public MediaAugust 28, 2026San Diego

Concerns grow over prediction market manipulation ahead of midterms following fake polling stunt

A 21-year-old individual released fabricated election polls under the name 'Median Strategies' as a social experiment, sparking widespread concern about the vulnerability of prediction markets to misinformation. While investigators found no evidence that the creator placed bets on the races he polled, the incident has intensified calls for stricter oversight of platforms like Kalshi and Polymarket during the upcoming election cycle.

prediction marketselection integritymisinformationcampaign financebetting
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Why It Matters

The incident highlights the potential for bad actors to influence financial betting markets on election outcomes, raising questions about the integrity of these platforms as they gain mainstream popularity.

Key Facts

  • A 21-year-old man created a fake polling firm called 'Median Strategies' to conduct a social experiment on the spread of misinformation.
  • The fake polls targeted the Los Angeles mayoral race and elections in Wisconsin and Nevada.
  • Los Angeles Mayor Karen Bass shared the fake poll on social media before it was revealed to be a sham.
  • Investigations by Kalshi found no evidence that the creator placed bets on the races related to his fake polls.
  • Polymarket officials are investigating potential activity on their overseas platform, which allows anonymous cryptocurrency trading.
  • Prediction market platforms like Kalshi and Polymarket have previously caught users attempting insider trading on political and military events.
  • Kalshi claims its markets are a filter for misinformation, noting that markets barely reacted to the fake polls.
  • Better Markets argues that election betting should be prohibited as it is contrary to the public interest.
  • Kalshi has implemented policies to bar political staffers from betting on their own races.

Who's Mentioned

organizationCommodity Futures Trading Commission“The federal agency that regulates prediction markets.”personKaren Bass“Mayor of Los Angeles who shared the fake poll.”organizationBetter Markets“A financial reform group.”organizationKalshi“A prediction market platform regulated by the CFTC.”personAmanda Fischer“Chief policy officer at Better Markets.”organizationPolymarket“A prediction market platform.”organizationMedian Strategies“The fake polling outfit created by Rahil Prakash.”personEddie Vale“A Democratic strategist.”personRahil Prakash“The 21-year-old creator of the fake Median Strategies polls.”