Prediction market leaders Polymarket and Kalshi are stepping up their battle against insider trading. Both platforms announced this Monday important updates to their regulations and surveillance tools to eradicate market manipulation. This is not just a routine compliance update. It comes as Democratic lawmakers explicitly target these markets, seeking to ban betting on elections and conflicts entirely.
The moment is critical. Both firms represent the largest places to forecast real-world events. But as the volume grows, so does the scrutiny. Regulators are asking a dangerous question: Are these markets bringing the truth to light or are they simply allowing insiders to profit from non-public information?
The new rules: how the mechanism works
Polymarket rewrote its integrity rules and the changes are immediate.
Prohibited conduct is now explicitly defined. Dealing in illegal tips. Use non-public information. A coach who bets on an injury he already knows about. An event organizer swears by a setlist he helped create. The gray areas have disappeared.
The execution is carried out by Palantir. The Vergence AI mechanism screens users and monitors transactions for suspicious patterns on both the DeFi platform and the US-regulated side. Kalshi is moving in the same direction with a real-time monitoring desk designed to detect disruptive trades. The objective is identical on both platforms. Make the cost of cheating greater than the potential payoff.
JUST IN: POLYMARKET IMPLEMENTS MARKET INTEGRITY STANDARDS ACROSS THE PLATFORM@polimercado is implementing an explicit ban on insider trading, spoofing, wash trading, and outcome manipulation on both its DeFi platform and its CFTC-regulated US exchange.
The update… pic.twitter.com/sG4YZKRRJe
— BSCN (@BSCNews) March 23, 2026
The political pressure driving this is real. Rep. Ritchie Torres and Sen. Jeff Merkley have been circling these platforms for months. Senate Democrats recently proposed outright bans on markets they consider unethical. Polymarket CLO Neal Kumar was direct about the intent. The compliance infrastructure they have already built must be visible.
The contradiction is structural and there is no clear way to avoid it. You can’t decentralize a market and at the same time partner with one of the most aggressive data surveillance companies in the world to monitor every trade. Polymarket knows it. It is a necessary commitment for survival.
For traders, the trade-off is simple. Cleaner markets mean fairer odds and less chance of being dumped by an insider. But your data is now being processed by enterprise-grade AI. High volume traders running legitimate strategies can generate false positives. Expect more KYC intervention and slower dispute resolutions if your profits seem statistically unlikely.
More protection. Less privacy. Platforms are choosing regulatory survival over user anonymity.
The CFTC has already stated that it has full authority over these markets. What Congress decides in the coming months will determine whether these platforms will survive in their current form. Polymarket is betting that Palantir will buy enough goodwill to keep the doors open.
Draw your own conclusions. The shift toward surveillance is hard to ignore.
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