Bettors have lengthy been in a position to speculate on the prospect of a nuclear weapon detonating on Polymarket, however the present battle with Iran – and scrutiny about insiders buying and selling on warfare – has apparently precipitated the platform to take away the contracts.
Polymarket has created a market that might monetize a nuclear assault amid growing issues that bets are occurring amongst authorities insiders who could make navy choices. pic.twitter.com/r1CbWaLWcw
— David Sirota (@davidsirota) March 3, 2026
The markets, which requested customers to assign chances as to if a nuclear weapon would detonate by particular dates, have circulated on Polymarket for years and traditionally have resolved to “No.”
However renewed consideration to the contracts comes as prediction markets face criticism after a dealer reportedly made greater than $400,000 betting on Venezuelan chief Nicolás Maduro’s ouster shortly earlier than the U.S. operation that led to his seize, elevating questions on whether or not insiders may exploit the platforms to commerce on the outbreak of warfare – such because the begin of this present battle with Iran – and different navy actions.
Historic buying and selling suggests the contracts sometimes priced significant danger.
A Polymarket contract in 2023 at one level implied roughly a 19% probability {that a} nuclear weapon would detonate earlier than the tip of the 12 months, in line with platform information.

A later market expiring in June 2025 traded close to 12%.
The markets additionally attracted vital buying and selling exercise. The 2025 contract alone recorded greater than $1.7 Million in quantity, whereas the 2023 model drew practically $700,000 in wagers.
All this comes as U.S. regulators contemplate find out how to oversee prediction markets.
The Commodity Futures Buying and selling Fee proposed guidelines in 2024 that might bar exchanges it regulates from itemizing occasion contracts tied to warfare, terrorism, assassination, or different actions deemed opposite to the general public curiosity.
Chairman Mike Selig mentioned the Fee plans to subject clearer steerage on prediction markets within the close to future.