
While Americans fight and pay for a war with Iran, well-timed Polymarket bets suggest someone may be turning sensitive information into cash before the public ever hears a word.
Quick Take
- Harvard researchers estimate “informed” traders extracted about $143 million in anomalous profits on Polymarket from February 2024 to February 2026.
- The research flags a cluster of Iran-strike trades on Feb. 28, 2026, including new wallets that bought “Yes” shares shortly before news broke.
- Polymarket updated rules banning trading on stolen confidential information or illegal tips and added restrictions for people with authority or influence.
- Kalshi, which operates as a CFTC-designated contract market, announced tighter guardrails and a whistleblower feature to flag suspected insider activity.
- Bipartisan lawmakers introduced legislation aimed at limiting prediction markets that resemble casino-style betting, raising the odds of a crackdown.
Harvard’s findings put a dollar figure on “informed” trading
Harvard Law School’s Corporate Governance program published a systematic analysis of trading patterns across more than 93,000 prediction markets, concluding that Polymarket saw widespread signals consistent with material non-public information being traded for profit. The researchers estimate roughly $143 million in “anomalous” profits over two years, calling it a conservative lower-bound. They also report a large set of suspicious wallet-market pairs with a win rate far above chance.
For Americans who have watched Washington fail to control spending, borders, and inflation, the bigger gut-punch here is basic fairness and accountability. If a platform lets insiders scoop profits off events tied to national security while everyday users trade blind, it’s not a “free market” story—it’s an integrity story. The research itself does not identify individuals, and blockchain pseudonymity limits what outsiders can prove without subpoena power.
Iran war markets show how national-security leaks could be monetized
The most politically explosive example in the study centers on the Feb. 28, 2026 market linked to a U.S.-Israeli strike on Iran. Harvard’s report describes six newly created wallets that collectively made about $1.2 million after buying “Yes” shares as cheaply as $0.10. One wallet, identified by the researchers as “Magamyman,” made its first trade about 71 minutes before news broke, when market pricing implied low odds.
In 2026, with U.S. forces engaged and families tracking deployments, the allegation that wartime information can be used for private gain lands differently than ordinary market cheating. Leaks tied to military operations can put lives at risk, and they can also warp public trust at a moment when MAGA voters are already divided about intervention and skeptical of open-ended conflict.
Polymarket and Kalshi respond as scrutiny grows in Washington
Polymarket announced rule changes prohibiting trades based on “stolen confidential information” or illegal tips. The company also clarified that users cannot place bets if they hold a “position of authority or influence” that could affect outcomes, and it described a multi-layered monitoring system with outside surveillance partners. The updates apply to both its U.S. exchange and offshore operations, with enforcement options including referrals to law enforcement.
Kalshi announced enhancements aimed at stopping the same problem before it starts, including technological guardrails to block certain categories of participants—such as politicians and athletes—from trading in markets where inside knowledge would be predictable. Kalshi also added a whistleblower feature for users to flag suspicious behavior. The contrast matters because the research frames Polymarket’s decentralized structure and unresolved regulatory status as creating fewer legal constraints than a CFTC-designated venue.
Regulation vs. liberty: conservatives will want a narrow fix, not a new speech-policing bureaucracy
Sen. Adam Schiff and Sen. John Curtis introduced legislation targeting prediction markets that resemble sports betting or casino-style games, signaling bipartisan appetite for restrictions. Conservatives face a familiar dilemma: Washington often uses real problems to justify bloated enforcement that spills into lawful activity. The evidence presented focuses on insider-style trading; a constitutional, limited-government response would target fraud and illicit tips without creating broad censorship or financial surveillance.
'Informed' traders on Polymarket netted $143 million in 'anomalous' profit since 2024, researchers findhttps://t.co/8VJeVCp3ww#Informed #Polymarket #showbiz #sports #celebrities #lifestyle
— Emanuel Baker (@baker_jrnl) March 28, 2026
For Trump voters who backed “no new wars” instincts but now see Iran dominating headlines, the key takeaway is how quickly war, tech, and finance can fuse into a system that rewards connected players. It suggests the problem is measurable, but it’s still a lower-bound estimate with acknowledged blind spots. If Congress acts, the public interest will be served best by clear rules that punish provable insider conduct while protecting lawful speech, privacy, and ordinary market participation.
Sources:
From Iran to Taylor Swift: Informed Trading in Prediction Markets
Polymarket updates insider trading rules amid Iran war, Venezuela bets
From Iran to Taylor Swift: Informed Trading in Prediction Markets (SSRN)



























