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Kalshi & Hollywood’s Inside Edge

In the prediction market era, almost anyone can bet on anything—from Nicolás Maduro’s ouster to the ‘Outer Banks’ release date—even if they have privileged knowledge that makes betting a sure thing. And while some studios and platforms are taking steps to thwart insider betting, it’s next to impossible to enforce.

Tarek Mansour
Kalshi, run by C.E.O. Tarek Mansour, says it functions similarly to the regular stock market and thus has specific policies against “insiders” and those bound by nondisclosure agreements using unique knowledge to profit. Photo: Kent Nishimura/Bloomberg/Getty Images
Matthew Belloni
April 24, 2026

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I know a guy who does work for a CBS competition show (you can guess which one), and he’s been making a little side money on the prediction apps. It’s actually pretty easy. Polymarket, Kalshi, and the others are available and legal in California and feature tons of “markets”—their word for gambling lines—on everything from sporting events to political elections to, yes, entertainment outcomes.