Matt Levine revisits leveraged prediction markets concept in Bloomberg column
Bloomberg columnist Matt Levine revisited his March 2026 thought experiment on leveraged prediction markets in a new column published Thursday. The piece discussed how platforms like Kalshi and Polymarket could apply leverage to their contracts. The column was conceptual exploration rather than reporting a specific product launch or regulatory development. Levine's Money Stuff newsletter also covered Meta's Muse, the total portfolio approach, the end of rule 14a-8, and private equity for pool servicing.
Levine's leverage concept is about to be tested in the real world. Kalshi filed for margin trading on event contracts just as the column landed, turning a thought experiment into a live regulatory bid. The CFTC now faces a concrete proposal where before it had only a columnist's hypothetical. For Polymarket and ForecastEx, the filing sets a race: whoever first secures leverage rules will define collateral standards and trader eligibility that rivals must match.
Retail brokers like Robinhood already offer margin on equity options, so Kalshi without leverage looks incomplete inside a trading app. Offshore venues currently hold the leverage advantage. Each month of CFTC delay preserves that gap and pushes leveraged demand toward unregulated channels. A formal framework could capture that flow safely. A denial would leave it underground.