Polymarket trader made $500,000 betting on a US strike on Iran before it went public

Image from CNN coverage: Polymarket trader profits roughly $500K on U.S.-Iran strike minutes before it became public
Image: CNN
Subject of this story
Also named
Advocate Mike Levin
01 · What happened

A Polymarket account (reported by multiple outlets as 'Magamyman') made roughly $500,000-515,000 in a single day betting that the U.S. would strike Iran, with the first trade placed reportedly about 71 minutes before the strike became public knowledge. The trade drew public scrutiny from Rep. Mike Levin (D-CA), and separately, Israeli prosecutors have indicted two people (an Israeli Air Force reservist and a civilian) for allegedly using classified military information to place related Polymarket bets on Israeli strikes on Iran.

02 · Sources · 3
CNNExclusive CNN reporting on a trader profiting nearly $1 million with accurate Iran-strike timing.
NPRIndependent NPR reporting on a related $553,000 Polymarket trade tied to Iran's supreme leader.
The Times of IsraelReports the Israeli indictment of two people for insider Polymarket trading on Iran/Yemen strikes.
03 · Response
Polymarket

Contacted — no response by publication. This space stays open; any statement is added here in full.

No response by publication
04 · What happened next · 1
Mar 23, 2026Partly won

Polymarket rewrote its rules to bar users from trading on contracts where they may hold confidential information or can influence the outcome, after scrutiny of Iran-strike bets; no trader has been charged in the U.S. Source ↗

I saw an update