Will the US officially declare war on Iran by...? — Odds & Predictions

3 markets · Total volume $7.6M · Live from Polymarket

Current favorite: No at 95.5% implied probability.

This market will resolve to "Yes" if the United States formally declares war on Iran through an act of Congress between market creation and the specified date, 11:59 PM ET. Otherwise, this market will resolve to "No." To qualify, Congress must pass a formal declaration of war, consistent with its constitutional authority under Article I, Section 8. Authorizations for the use of military force (AUMFs), executive orders, presidential statements, or military actions do not qualify unless accompanied by a formal declaration of war enacted by Congress and signed into law. The resolution source will be a clear consensus of credible reporting.

Will the US officially declare war on Iran by December 31, 2026?No — probability over time
95.5% 2 pts

Will the US officially declare war on Iran by December 31, 2026?

OutcomeImplied %Trade
No95.5%Bet
Yes4.5%Bet

Will the US officially declare war on Iran by March 31, 2026?

OutcomeImplied %Trade
No100%Bet
Yes0%Bet

Will the US officially declare war on Iran by April 30, 2026?

OutcomeImplied %Trade
No100%Bet
Yes0%Bet

FAQ

What are the current odds for Will the US officially declare war on Iran by...??

As of the latest update, No is the favorite at an implied 95.5% probability on Polymarket. Full outcome odds are listed above.

How are these odds calculated?

These are prediction-market prices from Polymarket. Each outcome's price (0 to 100%) is the implied probability the market assigns, set by real money traded, not a bookmaker's margin-adjusted line.

Can I bet on these outcomes?

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