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Politics·Foreign Policy

NATO article 5 before 2027?

Market icon
Politics·Foreign Policy

NATO article 5 before 2027?

Dec 31

Dec 31

17% chance
Polymarket

$57,693 Vol.

17% chance
Polymarket

$57,693 Vol.

If any NATO member country invokes Article 5 of the North Atlantic Treaty at any time between November 5, 2025 and December 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No". The primary resolution source for this market will be official information from NATO (nato.int), however a consensus of credible media will also suffice.Despite heightened Russia-NATO tensions, including Moscow's expansion of military units along borders with Lithuania and Finland reported in early March 2026, traders price an 83.5% chance against invoking NATO's Article 5 collective defense clause before 2027, reflecting the high threshold for unanimous activation amid gray-zone threats like UAV incursions rather than direct armed attacks. NATO Secretary General Mark Rutte explicitly ruled out Article 5 on March 5 following allied forces downing an Iranian missile over Turkey, underscoring restraint in non-traditional incidents. Recent U.S. President Trump's March 27 remarks questioning NATO commitments have fueled alliance doubts, yet warnings from NATO generals of potential Russian aggression by 2029—beyond the market's horizon—reinforce trader consensus on sustained deterrence through 2026.

If any NATO member country invokes Article 5 of the North Atlantic Treaty at any time between November 5, 2025 and December 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official information from NATO (nato.int), however a consensus of credible media will also suffice.
Volume
$57,693
End Date
Dec 31, 2026
Market Opened
Nov 5, 2025, 1:47 PM ET

Resolver

0x65070BE91...
If any NATO member country invokes Article 5 of the North Atlantic Treaty at any time between November 5, 2025 and December 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No". The primary resolution source for this market will be official information from NATO (nato.int), however a consensus of credible media will also suffice.
If any NATO member country invokes Article 5 of the North Atlantic Treaty at any time between November 5, 2025 and December 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No". The primary resolution source for this market will be official information from NATO (nato.int), however a consensus of credible media will also suffice.Despite heightened Russia-NATO tensions, including Moscow's expansion of military units along borders with Lithuania and Finland reported in early March 2026, traders price an 83.5% chance against invoking NATO's Article 5 collective defense clause before 2027, reflecting the high threshold for unanimous activation amid gray-zone threats like UAV incursions rather than direct armed attacks. NATO Secretary General Mark Rutte explicitly ruled out Article 5 on March 5 following allied forces downing an Iranian missile over Turkey, underscoring restraint in non-traditional incidents. Recent U.S. President Trump's March 27 remarks questioning NATO commitments have fueled alliance doubts, yet warnings from NATO generals of potential Russian aggression by 2029—beyond the market's horizon—reinforce trader consensus on sustained deterrence through 2026.

If any NATO member country invokes Article 5 of the North Atlantic Treaty at any time between November 5, 2025 and December 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No".

The primary resolution source for this market will be official information from NATO (nato.int), however a consensus of credible media will also suffice.
Volume
$57,693
End Date
Dec 31, 2026
Market Opened
Nov 5, 2025, 1:47 PM ET

Resolver

0x65070BE91...
If any NATO member country invokes Article 5 of the North Atlantic Treaty at any time between November 5, 2025 and December 31, 2026, 11:59 PM ET, this market will resolve to "Yes". Otherwise, this market will resolve to "No". The primary resolution source for this market will be official information from NATO (nato.int), however a consensus of credible media will also suffice.

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Frequently Asked Questions

"NATO article 5 before 2027?" is a prediction market on Polymarket where traders buy and sell "Yes" or "No" shares based on whether they believe this event will happen. The current crowd-sourced probability is 17% for "Yes." For example, if "Yes" is priced at 17¢, the market collectively assigns a 17% chance that this event will occur. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "NATO article 5 before 2027?" has generated $57.7K in total trading volume since the market launched on Nov 5, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "NATO article 5 before 2027?," simply choose whether you believe the answer is "Yes" or "No." Each side has a current price that reflects the market's implied probability. Enter your amount and click "Trade." If you buy "Yes" shares and the outcome resolves as "Yes," each share pays out $1. If it resolves as "No," your "Yes" shares pay $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current probability for "NATO article 5 before 2027?" is 17% for "Yes." This means the Polymarket crowd currently believes there is a 17% chance that this event will occur. These odds update in real-time based on actual trades, providing a continuously updated signal of what the market expects to happen.

The resolution rules for "NATO article 5 before 2027?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.