US announces end of Iranian blockade by December 31, 2026 priced at 36.6% on Polymarket

Polymarket traders priced the prospect of the US announcing an end to the Iranian blockade by December 31, 2026 at 36.6%, up 3.1 probability points, in the supplied update published Oct 25, 2026 · 2:24 PM ET. Reported trading volume was $4.0M.

The increase represents a shift toward that outcome, but the price remains below 50%. It is a market assessment of a future announcement—not evidence that the US has made one.

Reading the move

According to predictionbubbles.net, its movers tracker measures changes over 24 hours using probability points rather than relative percentage gains. It draws prices from Polymarket and Kalshi and updates every 15 minutes.

The supplied tracker page identifies its venue-data snapshot as 25 Oct 2026, 22:17 UTC, later than the publication time of the headline update. Its methodology provides context for the reported move, but the supplied page text does not reproduce this contract’s individual listing.

Limits of the available information

The material provides no specific diplomatic development or official statement explaining the repricing. It also does not include the contract’s detailed settlement criteria, leaving the precise requirements for a qualifying US announcement unspecified.

The $4.0M trading figure offers activity context, but does not establish available liquidity or explain why prices changed. According to predictionbubbles.net, trading volume and liquidity do not affect its movement rankings, which are based on the absolute size of the 24-hour probability-point change.

What it means for prediction markets

• Direction and level differ: The 3.1-point rise signals a more affirmative market assessment, while 36.6% still places the outcome below an even chance.
• The announcement is the relevant event: The headline frames the question around a US announcement by December 31, 2026; detailed resolution rules are not supplied.
• The cause remains unverified: Neither the price move nor the $4.0M trading figure establishes a diplomatic breakthrough or an official policy change.