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The event-contract industry is learning where its enforcement ceiling sits.
Kalshi, the US prediction platform, issued its first-ever lifetime ban to Republican politician George Santos after an investigation concluded he had used insider information to trade on event contracts.
A second politician, Laurie Buckhout, received a three-year suspension from the same investigation. In both cases, the finding turned on insider information applied to event contracts.
Against the backdrop of growing participation in political prediction markets, the question of information asymmetry has become a sector-wide concern.
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