activePoliticsDecember 31, 2026 -0% 24h

Will Russia invade a NATO country by...?

This market will resolve to "Yes" if Russia commences a military offensive intended to establish control over any portion of any NATO country between May 28 and December 31, 2025, 11:59 PM ET.

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Current leader
December 31, 2026 6%
Largest 24h move
December 31, 2026 -0%
24h volume
34.6K
Liquidity
100.9K

Top candidates

2 outcomes

December 31, 2026

6%

-0% 24h

June 30, 2026

0%

0% 24h

Market rules, made readable

Official description

How this market is decided

See what is changing

Resolves Yes

This market will resolve to "Yes" if Russia commences a military offensive intended to establish control over any portion of any NATO country between May 28 and December 31, 2025, 11:59 PM ET.

Resolves No

Otherwise, this market will resolve to "No".

For the purposes of this market, land de facto controlled by NATO member states or Russia as of May 28, 2025, will be considered the sovereign territory of those countries. Hybrid or “grey zone” operations conducted by unmarked personnel will qualify if they are confirmed to be Russian operatives and are intended to establish de facto control over territory, as occurred in Crimea (2014) or Donbas (2014–2022).

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

Living timeline · 2 significant updates

Russia-invade-NATO odds rise 3 points for the 2026 contract

Odds chart

Candidate probability over time

Odds chart showing latest December 31, 2026 probability of 6%.

Story so far

Needs a refresh

The market for Russia invading a NATO country by December 31, 2026 has moved higher, with the Yes side rising from 6.5% to 9.5% between July 3 and July 5, 2026. No prior story summary existed, and the current move does not by itself identify a specific trigger.

No major update has changed the story in 10 days.

Latest update

Russia-invade-NATO odds rise 3 points for the 2026 contract

The yes side for Russia invading a NATO country by December 31, 2026 moved from 6.5% to 9.5% between July 3 and July 5, 2026. A Business Insider report on NATO’s eastern flank may have added background context, but the market move itself does not confirm a specific trigger.

Why this matters

Market moves can show where expectations are changing. PolySays adds the source trail so the price is not treated as proof on its own.

Known catalysts

  • A Business Insider report on NATO’s eastern flank may have provided background context, but the market move does not confirm it as the cause.
  • The observed odds surge was a 3.0 point increase on the Yes side during the July 3 to July 5 window.

Unresolved questions

  • What specific news or developments, if any, drove the odds increase?
  • Whether the Business Insider report had any direct impact on trader behavior remains unclear.
  • Is this move part of a broader trend or just a short-lived reaction?

People and institutions to watch

RussiaNATONATO eastern flankBusiness Insider

Source trail

No public sources are attached yet.

Living timeline

Significant updates

  1. The yes probability for "Russia invade a NATO country by December 31, 2026" rose from 0.065 to 0.095, a 3.0-point move, over the window from 2026-07-03T09:35:05.334Z to 2026-07-05T13:00:06.471Z. The source set only shows a contextual article noting that NATO’s eastern flank is preparing to deter Russia, with or without U.S. backing. That reporting may have reinforced existing concerns about regional security, but it does not by itself establish why the contract moved. The move is better read as a modest re-pricing of geopolitical tension rather than evidence of any confirmed escalation or invasion plan.

    What changed

    Yes odds for the December 31, 2026 market increased by 3.0 points, from 6.5% to 9.5%, over roughly two days.

    What to watch next

    Watch for fresh NATO-Russia military developments, official statements from NATO states, or new reporting tied to the alliance’s eastern flank that could explain whether the move extends or fades.

    Sources