Will Russia test a nuclear weapon by September 30 2026?
2%chance, according to the market
Backed by $4K traded in the last 24 hours — this is a price people are staking money on, not a forecast.
How the price has moved
On Sep 5 the market put this at 5%.
Sep 5now 2%
How this resolves
The rules below decide who gets paid. Read them before the price — most surprises are definitional, not predictive.
This market will resolve to "Yes" if Russia 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 Russia 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 Russia may still qualify if a clear consensus of credible reporting attributes the nuclear detonation to Russia. For example, an unclaimed nuclear test analogous to the 1979 "Vela Incident" would count if credible reporting attributes it to Russia.
The resolution source for this market will be a broad consensus of credible reporting.
Guides
Background worth reading before you trade this.
- ANALYSISWhat the market prices for Trump's $5,000 dividendTrump promised $5,000 checks if Republicans win Congress. The market prices it at 5c, and its rules don't require the sweep most readings of it assume.
- COMPAREPolymarket vs. Kalshi — what's actually different?Kalshi takes dollars through a bank. Polymarket's global exchange settles in USDC on-chain. What that changes about fees, access and who can sign up at all.
- GUIDERead the resolution rules before you look at the priceMost settlement surprises are definitional, not predictive. You were right about the world and wrong about what the market counted — here's what to check before you buy.
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Trade this marketPrice as of 2026-09-24 20:39 UTC · Source: Polymarket