Skip to main content

To trade in the US, go to polymarket.us

icon for NATO article 5 before 2027?
Geopolitics·NATO

NATO article 5 before 2027?

icon for NATO article 5 before 2027?
Geopolitics·NATO

NATO article 5 before 2027?

Jan 1, 2027

Jan 1, 2027

7% chance
Polymarket

$262,996 Vol.

7% chance
Polymarket

$262,996 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.NATO Secretary General Mark Rutte stated in mid-September 2026 that the alliance maintains deliberate ambiguity around Article 5 thresholds to prevent adversaries from calibrating hybrid or limited attacks, while affirming that Russia understands the red lines. Recent Danish intelligence assessments highlight a low but growing risk of Russian probes against border states through drones, sabotage, or strikes, yet conclude Moscow is unlikely to achieve major advances in Ukraine or trigger full collective defense in the near term. NATO continues intelligence sharing, eastern flank planning, and reaffirmations of mutual assistance commitments without invoking the clause amid ongoing airspace and infrastructure incidents. These factors underpin trader consensus that Article 5 activation remains improbable before 2027.

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.
Volume
$262,996
End Date
Jan 1, 2027
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.NATO Secretary General Mark Rutte stated in mid-September 2026 that the alliance maintains deliberate ambiguity around Article 5 thresholds to prevent adversaries from calibrating hybrid or limited attacks, while affirming that Russia understands the red lines. Recent Danish intelligence assessments highlight a low but growing risk of Russian probes against border states through drones, sabotage, or strikes, yet conclude Moscow is unlikely to achieve major advances in Ukraine or trigger full collective defense in the near term. NATO continues intelligence sharing, eastern flank planning, and reaffirmations of mutual assistance commitments without invoking the clause amid ongoing airspace and infrastructure incidents. These factors underpin trader consensus that Article 5 activation remains improbable before 2027.

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.
Volume
$0
End Date
Jan 1, 2027
Market Opened
Nov 5, 2025, 1:47 PM ET

Resolver

0x65070be91...

Related

icon for Will any country leave NATO by December 31, 2026?

Will any country leave NATO by December 31, 2026?

4%
icon for Another NATO Article 4 invocation by December 31, 2026?

Another NATO Article 4 invocation by December 31, 2026?

66%
icon for Will US withdraw from NATO before 2027?

Will US withdraw from NATO before 2027?

2%

Beware of external links.

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 8% for "Yes." For example, if "Yes" is priced at 8¢, the market collectively assigns a 8% 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 $263K 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 8% for "Yes." This means the Polymarket crowd currently believes there is a 8% 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.