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World Economy
Apr 18, 2026

Multi‑billion‑Dollar Prediction‑Market Bets Align with US‑Israel Strikes on Iran, Sparking Insider‑Trading Investigation

AI Summary
Traders placed over $1 billion in prediction‑market contracts that precisely matched key moments in the US‑Israel conflict with Iran, prompting congressional concern and a CFTC probe into possible insider trading across platforms like Polymarket and Kalshi.

Sixteen Polymarket accounts each earned more than $100,000 by correctly forecasting the U.S. airstrike on Iran on 27 February, while a single user, known as “Magamyman,” pocketed over $550,000 by betting on the removal of Ayatollah Ali Khamenei moments before his death in an Israeli strike.

Just before former President Donald Trump announced a temporary cease‑fire on 7 April, traders placed a staggering $950 million wager that oil prices would fall – a bet that proved accurate.

These synchronized bets, which also included $855,000 in contracts predicting the 27 February strike and $580 million in oil‑futures positions placed minutes before Trump’s “productive talks” comment on 23 March, have raised alarms about possible insider information being used in online prediction markets.

Platforms such as Polymarket and Kalshi now allow contracts on virtually any news event, blurring the line between traditional sports betting and financial speculation. The ease of accessing commodity derivatives, especially oil futures, amplifies the potential for profit – and for regulatory scrutiny.

Law professors Joshua Mitts (Columbia) and Andrew Verstein (UCLA) note that while the trades could be “lucky,” the timing and scale suggest “hallmarks of suspicious activity” that merit investigation. The Commodity Futures Trading Commission (CFTC) has reportedly opened inquiries into the March 23 and April 7 oil‑futures trades, though it has not publicly confirmed the probes.

Regulators face a dilemma: existing legislation may be inadequate for the technological realities of blockchain‑based prediction markets. CFTC Commissioner Michael Selig, appointed by the Trump administration, warned that “we will find you and you will face the full force of the law,” yet the agency cannot issue new rules until it has a full five‑member commission.

State‑level challenges further complicate oversight. Nevada temporarily banned Kalshi for operating without a gambling license, while Arizona filed criminal charges over election‑betting contracts. Kalshi argues that the CFTC holds exclusive jurisdiction over such markets.

A recent academic study screened over 200,000 “suspicious wallet‑market pairs” from February 2024 to February 2026, finding that traders in this cohort achieved a near 70% win rate, generating roughly $143 million from well‑timed bets on events ranging from the capture of former Venezuelan leader Nicolás Maduro to celebrity engagements.

Congressional leaders have responded with legislation aimed at prohibiting federal employees, including members of Congress and White House staff, from participating in prediction‑market contracts tied to political or policy outcomes. However, experts caution that the legal framework for insider trading in commodity futures remains under‑developed, making enforcement challenging.

As prediction markets continue to intersect with geopolitical events, the risk of market distortion grows. “When financial bets are based on classified military information, it undermines both market integrity and public trust,” warned Verstein, highlighting the broader implications for the real economy.