THE GUARDIAN · 2026-11-14 12:02 UTC

Health is wealth? Polymarket and Kalshi now host bets on measles and other US health crises

Polymarket and Kalshi now list bets on US public health events, including FDA approval of a skin-cancer vaccine, CDC vaccine recommendation changes, drug trial outcomes, measles case counts, and measles-elimination status. Experts quoted say prediction markets are largely unregulated and operate under federal commodities law, with several states suing the companies as illegal gambling sites. Critics warn that such markets could reward insider leaks from agency reviewers or trial investigators and could incentivize changes to trial behavior or timing; Polymarket did not respond to questions,…

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