Prediction market leaders Polymarket and Kalshi are stepping up their fight against insider trading. Both platforms announced significant revisions to their rulebooks and monitoring tools this Monday to eliminate market manipulation. This is not just a compliance review. It comes as Democratic lawmakers have clearly targeted these markets, seeking to ban betting on elections and disputes altogether.
Time is of the essence. Both of these companies represent major areas for predicting real-world events. But as volume increases, so does testing. Regulators are asking a dangerous question: Do these markets reveal the truth, or do they allow insiders to profit from non-public information?
New Rules: How the Process Works
Polymarket has rewritten its integrity rules, and the changes are fast.
Prohibited behavior is now clearly defined. Illegal tip trading. Using non-public information. A coach who bets on injuries already knows. The event planner is betting on the lineup he helped create. The gray areas are gone.
Enforcement is handled by Palantir. The Vergence AI method examines users and monitors transactions for suspicious patterns across the DeFi platform and the US-controlled side. Kalshi goes the same way as a real-time control desk designed to flag disruptive trades. The goal is the same for both platforms. Make the cost of cheating higher than the potential payoff.
JUST : POLYMARKET IS APPLYING THE RULES OF INTEGRITY FOR CROSS-PLATFORM MARKETS@Polymarket issues a clear ban on insider trading, fraud, wash trading, and results manipulation across its DeFi platform and its CFTC-regulated US exchange.
Update… pic.twitter.com/sG4YZKRRJe
– BSCN (@BSCNews) March 23, 2026
The political pressure driving this is real. Attorney Ritchie Torres and Sen. Jeff Merkley has been around these forums for months. Senate Democrats recently proposed a direct ban on markets they see as unacceptable. Polymarket CLO Neal Kumar was specific about the objective. The compliance infrastructure they have built needs to be seen.
The contradiction is structural, and there is no clean way around it. You can’t segment the market while partnering with one of the world’s leading data surveillance companies to enforce all the work. Polymarket knows this. It is a necessary agreement to survive.
For retailers, the tradeoff is straightforward. Clean markets mean good opportunities and less chance of insider dumping. But your data is now processed by enterprise-grade AI. High-volume traders who use legitimate strategies may generate false positives. Expect more KYC intervention and slower dispute resolutions if your winnings seem mathematically improbable.
More protection. Less privacy. Platforms prefer control survival over user anonymity.
The CFTC has already stated that it has full jurisdiction over these markets. What Congress decides in the coming months determines whether these platforms survive in their current form. Polymarket is betting Palantir is buying enough interest to keep the doors open.
Draw your own conclusions. The pivot of observation is hard to ignore.
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