Health is wealth? Polymarket and Kalshi now host bets on measles and other US health crises
Summary
Polymarket and Kalshi offer contracts tied to U.S. health events, including measles cases, vaccine recommendations, drug trials, and FDA decisions. Experts warn that these markets could influence public policy or create incentives to trade on confidential information, while the companies operate under federal commodities rules and face lawsuits from some states.Key Facts
- Polymarket has advertised a contract asking whether any state will end vaccine markets.
- Kalshi began offering health-related contracts over the summer.
- Users can trade on questions about measles cases in 2026 and whether the United States will lose its measles-elimination status.
- Other contracts concern FDA decisions, vaccine recommendations, and drug trial outcomes.
- Prediction markets operate under federal commodities laws and are overseen by the Commodity Futures Trading Commission, rather than being regulated by states as gambling operations.
- Several states have sued prediction-market companies, alleging that they operate as gambling sites.
- Experts warn that markets tied to drug trials and agency decisions could reward people who disclose confidential information.
- A Kalshi spokesperson said the company’s clinical-trial markets are a pilot program intended to make information about trials more accessible.
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