Host: Stephen Dubner
#688 · September 25, 2026

When Is a Bet Not a Bet?

Guests: Gary Gensler, Robin Hanson, Nicole Kagan, Tarek Mansour

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This episode examines the legal and ethical distinctions between prediction markets and gambling, focusing on Kalshi’s efforts to operate under federal rather than state regulation. The hosts discuss insider trading concerns, market manipulation, and the ongoing jurisdictional battles with state authorities. Guests debate whether these platforms democratize information or pose risks akin to traditional betting.

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