Will the U.S. test a nuclear weapon by September 30 2026?

Prediction markets currently give a 6% probability that Will the U.S. test a nuclear weapon by September 30 2026?. This contract trades at 6¢ on Polymarket, closing September 30, 2026.

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6¢
Bid/Ask 5/7¢·Spread 2¢·Vol $8·OI $17,494.655·Closes Sep 30, 2026·161d remaining
0x6be3d6364e9a88a17f1fd993629de7a1a7f37ee23a9b15bf9af66834497bec0e
7-day price56 snapshots · 3 regime
11¢6¢ current
Apr 86¢Apr 21

Resolution rules

This market will resolve to "Yes" if the US conducts a nuclear test by the listed date (ET). Otherwise, this market will resolve to "No". A nuclear test is defined as the intentional non-combat detonation of a device by the US 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 US may still qualify if a clear consensus of credible reporting attributes the nuclear detonation to US. For example, an unclaimed nuclear test analogous to the 1979 "Vela Incident" would count if credible reporting attributes it to the US. The resolution source for this market will be a broad consensus of credible reporting.

Indicators

IY (Yes) 3552.6%
IY (No) 14.5%
Adj IY 1776%
CRI 16
▶ Full indicator table (4)
IndicatorValue
IY (Yes)3552.6%
IY (No)14.5%
Adj IY1776%
CRI16

Regime

Label
neutral
Score
0.409
Spread
2¢
Computed
4/22/2026, 12:55:49 AM
Observability mediumEvent type political
Indicators computed 4/22/2026, 12:53:18 AM

Trade

View on polymarketsf trade 0x6be3d6364e9a88a17f1fd993629de7a1a7f37ee23a9b15bf9af66834497bec0e yes 100

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