Geopolitics

Iran nuclear test before 2027?

5% say yes

Up 1 point today.

Decided by major news reports, by December 31, 2026, 11:59 PM .

Each share pays $1 if it happens, so 5¢ means about a 5% chance.

Research, not financial advice. Prices from Polymarket’s international site, not available in the US.

The short version

If that hasn’t happened by the deadline (December 31, 2026, 11:59 PM ET), the answer is No. Yes wins if: Iran conducts a nuclear test by December 31, 2026 11:59pm ET.

Possible results

YesThe event in the question happens before the deadline.5%
What has to happen
Iran conducts a nuclear test by December 31, 2026 11:59pm ET.
NoThe deadline passes without it happening.95%
What has to happen
That doesn’t happen by December 31, 2026, 11:59 PM ET.

The one trap

If a player pulls out before the match starts (a walkover), the market settles 50-50.

Price chart

Yes 5%No 95%

-Yes chance

View rules on Polymarket (international site, not available to US residents)

Show details for experienced traders

The details

Rule note: the condition as writtenNo single official source

Fine-print risk

Medium (30/100)

settles on the condition as written

Official source: settlement runs on Consensus of credible reporting (no single named data provider). Has no single feed: settlement relies on consensus reporting. No recorded moves for this market yet.
Fine print: It settles on the condition as written, with a deadline in New York time (ET). Deadline: Thu, Dec 31, 2026, 11:59 PM ET.

Source named: Consensus of credible reporting (not a tracked official feed, no release history)

Standardized read of public order book, official-source and contract-rule data, identical for every viewer. It describes the data and is not a recommendation. The venue’s published rules control settlement.

Key lines from the rules (Polymarket)

“This market will resolve to "Yes" if Iran conducts a nuclear test by December 31, 2026 11:59pm ET.”
“The resolution source for this market will be a broad consensus of credible reporting.”
“Otherwise, this market will resolve to "No".”

View rules on Polymarket (international site, not available to US residents)

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