A U.S. soldier was indicted for using classified information to trade on Polymarket. At the same time, lawmakers in Congress moved to restrict trading by their own members.Singapore Summit: Meet the largest APAC brokers you know (and those you still don't!). Three events in two days converged into one argument: the regulatory frame for prediction markets is being written right now. Here's what mattered this week. What Moved the Prediction Markets This Week A Soldier’s Bet on Maduro On April 25, the DOJ unsealed a criminal indictment against U.S. Army Master Sergeant Gannon Ken Van Dyke, who allegedly used classified information about a military operation targeting Nicolás Maduro to trade on Polymarket. He placed about $33,000 in bets and reportedly made roughly $400,000 in profit. The case immediately drew attention to both major prediction market platforms. Kalshi said it does not permit war-related markets and actively enforces insider trading rules. Polymarket said it supports regulatory efforts to address insider trading. The distinction between a regulated exchange and an offshore platform became part of the political debate. Congress Moves from Letters to Rules On April 30, lawmakers escalated their response to prediction markets. A group of senators urged the CFTC to ban several categories of contracts, including those tied to elections, sports, and military actions. The focus on sports is not incidental. According to data cited in the letter, sports contracts account for roughly 87% of Kalshi’s volume. Hours later, the Senate passed a resolution barring its own members and staff from trading on prediction markets, effective immediately. The shift from letters to formal action marked a clear change in tone from Congress.🚨 JUST NOW: US Senate UNANIMOUSLY passes a ban on Senators and their staff from engaging in prediction market trading, such as Polymarket or KalshiSEN. BERNIE MORENO: It deteriorates the confidence our constituents have in us! "I am presenting a resolution that makes that… pic.twitter.com/ifmSG65OmF— Eric Daugherty (@EricLDaugh) April 30, 2026Hyperliquid Tables a Prediction Markets Proposal On April 30, Hyperliquid moved to add prediction markets to its platform. The decentralized exchange, which has processed over $1 trillion in derivatives volume, is bringing event contracts into its existing offering. HIP-4, a governance proposal to add prediction markets to its platform, is currently in public testing. It would allow traders to bet on real-world outcomes from the same margin account used for perpetual futures. The move positions Hyperliquid as a direct competitor to Polymarket on the offshore side. Quote of the Week On April 25, crypto investor and writer Nic Carter posted a thread on X arguing that insider trading is not a bug that prediction markets can engineer away — it is a feature built into the model. Carter, who has over 100,000 followers, published a full piece on the subject the same week. His argument put pressure on both platforms' claims that disciplinary enforcement solves the problem.https://t.co/pjq72w6RJ5— nic carter (@nic_carter) April 25, 2026Number of the Week $39.7 billion is estimated value of sports event contracts within Kalshi’s total volume for the year ending February 2026, based on figures cited in Senator Merkley’s April 30 letter to the CFTC. The number highlights what is at stake: the category lawmakers are targeting accounts for the bulk of trading activity on the platform. The Friction of the Week The week’s central tension is between self-regulation and regulatory legitimacy. Kalshi spent two years securing a CFTC license and positioning itself as a “responsible” platform. It built compliance systems and even suspended three congressional candidates to demonstrate that enforcement is real. But those cases involved small amounts and internal sanctions. The case of a U.S. Army soldier accused of making about $400,000 using classified information changed the scale. Even though the trades took place on Polymarket, the regulatory response extended to the entire industry. The lesson is clear: regulated status does not shield a platform from broader consequences. When a high-profile incident occurs on an unregulated competitor, lawmakers respond to the category as a whole. Bottom Line This week’s events formed a single chain. The soldier’s indictment on Friday gave Democrats a concrete case to act on, leading to a formal push against the industry by midweek. The regulatory moment the market had anticipated for two years arrived in the span of 72 hours. The question now is how the CFTC will respond to more than 115,000 public comments while facing political demands to ban the segment that generates most of the volume on regulated platforms. Those platforms are now caught between tighter rules from above and growing competition from decentralized exchanges like Hyperliquid operating outside U.S. oversight. This article was written by Tanya Chepkova at www.financemagnates.com.

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