The Journal.

Insiders Are Cashing In on Prediction Markets

February 17, 2026·23 min·5-min readinterviewbusiness
Podzilla Summary (5 min)
TLDR
A surge in prediction market activity on platforms like Polymarket and Kalshi has raised serious concerns about insider trading, as anonymous users place highly accurate, lucrative bets on events ranging from the Super Bowl halftime show to geopolitical conflicts—bets that suggest access

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Guest

K

Kaelin Ostroff

interview on The Journal.

Mentions

Books, people, and resources mentioned in this episode.

People

Kaelin OstroffRyan KnudsenShane CopelandTarek MansourBrian Armstrong

Companies

PolymarketKalshiGoogleCoinbaseCFTCRobinhoodDraftKingsFanDuelTruth Social

Topics

Business NewsCryptocurrencyGeopoliticsTech Industry

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