Kalshi, Polymarket roll out new insider trading bans
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Prediction market platforms Kalshi and Polymarket implemented new insider-trading restrictions for politicians and athletes.
AI Summary
Prediction market platforms Kalshi and Polymarket announced Monday they are implementing new insider trading restrictions designed to prevent politicians, athletes, and other insiders from wagering on outcomes they could directly influence. Kalshi said it is deploying technological controls that will automatically block relevant individuals from trading in certain political and sports markets. The move reflects growing scrutiny of prediction markets, which have exploded in popularity and trading volume but face regulatory questions about whether they constitute gambling or securities trading. The platforms are seeking to preempt concerns that insiders could exploit privileged information for profit—a vulnerability that has drawn attention from regulators and policymakers. The restrictions represent an effort by these platforms to self-regulate before potential government action.
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The platforms deployed technological controls to automatically block relevant individuals from trading in certain political and sports markets.
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Ocasio-Cortez: Prediction markets’ latest moves to block insider trading ‘absolutely not enough’

Kalshi and Polymarket ban insider trading as senators look to curb prediction markets
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