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Iran nuclear test before 2027? — Polymarket Odds

Updated September 24, 2026 · Category: Politics & Elections · Market end date: January 1, 2027

As of September 24, 2026 at 17:11 UTC, Polymarket traders price Yes at 4.0% (No 96%), with $264.1K traded in total and $1.3K in the last 24 hours.

Current odds

OutcomeProbability24h changeVolume
Yes4.0%
-0.9 pts$264.1K
No96%
+0.9 pts—

Total volume $264.1K · 24h volume $1.3K · Liquidity $32.0K. Prices are Polymarket YES-share prices read as probabilities; they are not executable quotes.

30-day price history

0%25%50%75%100%Aug 25Sep 24

■ Yes ■ No · 30-day price history (12-hour points)

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How this market resolves

This market will resolve to "Yes" if Iran conducts a nuclear test by December 31, 2026 11:59pm ET. Otherwise, this market will resolve to "No".

A nuclear test is defined as the intentional non-combat detonation of a device by Iran that produces a nuclear chain reaction (fission or fusion), regardless of yield.

Accidents, radiological dispersal devices (bombs that spread radioactive material using conventional explosives such as "dirty bombs"), or actions by third parties will not count toward this market's resolution.

Tests not explicitly claimed by Iran may still qualify if a clear consensus of credible reporting attributes the nuclear detonation to Iran. For example, an unclaimed nuclear test analogous to the 1979 "Vela Incident" would count if credible reporting attributes it to Iran.

The resolution source for this market will be a broad consensus of credible reporting.

Summary of the market's published rules. The rules on Polymarket control settlement; check them there before relying on any outcome: open this market on Polymarket.

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Frequently asked questions

What are the current Polymarket odds for Iran nuclear test before 2027?

As of September 24, 2026 at 17:11 UTC, Polymarket traders price Yes at 4.0% (No 96%), with $264.1K traded in total and $1.3K in the last 24 hours.

When does the Iran nuclear test before 2027 market end?

The event's listed end date is January 1, 2027. Each outcome settles under the market's written rules, summarised on this page, which can differ from the end-date field.

How are these odds calculated?

They are the displayed prices of each outcome's YES share on Polymarket. A price of 60¢ implies roughly a 60% chance. This page refreshes the numbers twice a day, so they are not live quotes.

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