John Oliver takes an eye-opening deep dive into predictions markets:
"There is something so grim about these sites turning every aspect of our lives into a bet."
mashable.com/video/john-oliver-predictions-markets
Photo: mashable.com · view article
Unveiling Risks and Ethics of Prediction MarketsJohn Oliver examines legal battles and ethical issues of betting platforms including wagers on nuclear war, possibly reaching the Supreme Court.
Key FactsApr 20, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: mashable.com
Summary created with AI assistance · Source: mashable.com
- Prediction markets enable betting on nearly any topic, raising ethical concerns particularly with bets on catastrophic events like nuclear war.
- John Oliver highlights potential insider trading and the operation of gambling sites in states where gambling is illegal.
- Ongoing legal cases regarding these markets may be decided by the U.S. Supreme Court in the near future.
- Oliver calls for basic regulations and urges media outlets to report more responsibly about these platforms to mitigate societal harm.
There are a bunch of cases making their way through the courts right now, but it's not clear how they'll resolve, and it's probably going to be in front of the Supreme Court. Meanwhile, Congress is considering a number of proposals tackling aspects of this issue, although given that the President of the United States has a kid currently advising both major companies, I wouldn't hold your breath.— John Oliver, Last Week Tonight, discussing the legal and political questions surrounding prediction markets (Kalshi and Polymarket).
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agreement between two parties that a stake will be paid by the loser to the winner according to the outcome of an external event or fact
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