Polymarket Ukraine odds for a Russia ceasefire by December 31, 2026, have crashed to simply 13%, down from 40% yesterday. The nearer-dated October 31 contract was priced decrease, at a 7% implied chance. Each figures depend upon a decision rule that requires greater than a diplomatic announcement.
The Polymarket occasion resolves Sure provided that a ceasefire takes impact by 11:59 p.m. Japanese European Time on the acknowledged date and stays constantly in drive for not less than 10 calendar days.

A ceasefire introduced on December 30 that ends earlier than the 10-calendar-day requirement is met wouldn’t fulfill the market’s rule. That creates a materially greater bar than a diplomatic announcement alone.
Alternatively, Kalshi doesn’t have an energetic marketplace for a attainable ceasefire between Ukraine and Russia, opting as a substitute for whether or not Zelensky will go to Russia this 12 months and whether or not he and Putin will meet.
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Polymarket Ukraine Odds for a Ceasefire: What the 13% Worth Does and Doesn’t Measure
In keeping with the Ukrainian media “Glavkom” the brand new Trump peace plan introduced by Kushner & Witkoff is whole give up in entrance of Russia:
– Full ceasefire
– Withdrawal of Ukrainian forces from Donbas and Zaporizhzhia Oblast with attainable deployment of UN contingent there… pic.twitter.com/CQ3OZA0DLh— Megatron (@Megatron_ron) September 7, 2026
The pricing implies {that a} qualifying ceasefire by year-end stays unlikely, moderately than merely indicating that talks or a brief lull in combating are unlikely.
These are distinct outcomes beneath the market guidelines. A brief pause, a partial settlement, or an introduced truce that doesn’t stay in impact for 10 full calendar days wouldn’t meet the situation for a Sure decision.
The snapshot reviews about $1.8M in whole quantity, $327,300 in liquidity, and $621,390 in open curiosity. The supply additionally states that no dealer rely is offered and that the dated contracts share a single occasion construction.
Because of this, reported market depth doesn’t set up broad, unbiased participation, and costs throughout the October and December timeframes could mirror concentrated views or correlated positioning moderately than separate assessments of every deadline.
The market abstract identifies the European Union’s individual-sanctions rollover round September 15 as a near-term coverage take a look at of Western cohesion, stress on Russia, and diplomatic room.
EU particular person sanctions had been prolonged by September 15. A renewal, loosening, or seen disagreement may alter expectations for negotiations and a sturdy ceasefire, though the supply notes that coverage indicators needn’t produce a ceasefire.
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Situations that Might Reprice the Contracts
The market abstract says a year-end ceasefire would change into extra believable if autumn diplomacy produced a framework that survived the 10-day continuity take a look at, notably after the UNGA interval and sanctions-related signaling in September.
It identifies sustained talks, a monitored pause in assaults, or a proper settlement mechanism accepted by each side as developments that might assist such a framework.
Conversely, the abstract says the December deadline may lose assist if negotiations stall, sanctions harden, or the warfare escalates into winter.
Its October evaluation equally describes a quick diplomatic breakthrough round UNGA week and a shift in EU sanctions politics as elements that may very well be wanted to succeed in the sooner deadline.
The EU’s particular person sanctions rollover, with listings prolonged by September 15, stays a coverage checkpoint famous out there abstract. The UN Normal Meeting’s high-level week follows shortly afterward and will present a concentrated interval for diplomatic signaling or initiatives.
New participation or massive place modifications on the Polymarket Ukraine odds of a ceasefire may additionally transfer reported odds independently of real-world developments.
As a result of the breadth of participation can’t be verified from the obtainable knowledge, market costs must be learn alongside its particular decision guidelines, shared occasion construction, liquidity, and the opportunity of concentrated positioning.
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