PolymarketOtherOpen

NATO x Russia military clash by December 31, 2026?

15¢+567

last trade · closes 2027-01-01

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24h volume$3.6K
Open interest$74.8K
Lifetime volume$3.5M

Quick answers

Where is "NATO x Russia military clash by December 31, 2026?" cheaper right now?
Polymarket last trade 15¢ (+567). No matched twin on another venue, so there is no cross-venue price to compare.
When does "NATO x Russia military clash by December 31, 2026?" settle?
Closes 2027-01-01. Pays Yes when: This market will resolve to "Yes" if there is a military encounter between the military forces of a NATO country and Russia between January 2, and December 31, 2026, 11:59 PM ET.

Odds history

Implied odds over timebid/askmid25%16%6%Oct 26 00:00 UTCNov 01 22:04 UTC

194 archived bid/ask quotes for "NATO x Russia military clash by December 31, 2026?" on Polymarket, 2026-10-26 to 2026-11-01.

How this market settles

Pays Yes when
This market will resolve to "Yes" if there is a military encounter between the military forces of a NATO country and Russia between January 2, and December 31, 2026, 11:59 PM ET.
Who decides
The resolution source for this market will be a consensus of credible reporting.
When
Closes 2027-01-01.
Read the full rules Polymarket publishes

This market will resolve to "Yes" if there is a military encounter between the military forces of a NATO country and Russia between January 2, and December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". A "military encounter" is defined as any incident involving the use of force such as missile strikes, artillery fire, exchange of gunfire, or other forms of direct military engagement between NATO and Russian military forces. Non-violent actions, such as airspace violations, firing of warning shots (such as the June, 2021 Black Sea Confrontations between Russian forces and HMS Defender), or cyberattacks will not qualify. Interception of missiles or other one-way attack or loitering munitions (e.g. Shahed drones) which are targeting a 3rd party other than the listed countries or their respective forces will not alone qualify. Shooting down UAVs which are not munitions (e.g. MQ-9, Orlan 10, Orion, Bayraktar TB2, etc.) will qualify. Intentional physical collisions, including aerial interceptions and naval ramming without the direct use of weaponry, such as the 2023 Black Sea incident—where a Russian Su-27 damaged a U.S. MQ-9 Reaper drone's propeller, leading to its crash— will not qualify regardless of damage. Military contractors will qualify only if confirmed to be operating under the direct command or coordination of the respective state’s armed forces (e.g. the Battle of Khasham would not qualify). The resolution source for this market will be a consensus of credible reporting.

Heads up: Polymarket has 4 disputed resolutions in our archive. Read the rules before you bet.

What this bet really costs you

  • On $100 at 15¢ you pay $5.95 in fees on Kalshi

    0.89¢ per contract · 666 contracts

  • On $100 at 15¢ you pay $4.25 in fees on Polymarket US

    0.64¢ per contract · 666 contracts

Polymarket rate read from the catalog for sports_fees_v3 (15,702 markets in a sample of 20,000 rows drawn from 580,600 in the archive). Kalshi's rate is its published general schedule; the PDF has been rate-limiting fetches, so it is documented rather than verified.

Exchange-side taker fees per each venue's published formula (rate × contracts × price × (1 − price)); contracts = stake ÷ price, rounded down to whole contracts. Fees peak at 50¢ and shrink toward the extremes. Most quoted cross-venue “arbs” are negative-EV after these fees; the taker-fee breakeven on a Kalshi/Polymarket pair is roughly 3.5–4¢.

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