Home / Prediction Markets / Politics / Russia x Ukraine Ceasefire by December 31, 2026? Russia x Ukraine Ceasefire by December 31, 2026? ☆ Watch Paper Trade View on Polymarket → Share MC Marcus Chen Political Strategist Embed NEW Embed this market Full Compact Copy Published May 16, 2026 6 min read Lines Verdict NO at 78% implied probability No Ceasefire by December: The verified track record of collapsed ceasefires and stalled formal negotiations keeps the NO position at 72%. Market probability: 28%. 22% Market Probability 1h +0.0% 24h -2.0% Trend Weak (8/100) Volume $921.1K $13.0K in 24h Liquidity $162.3K Deep liquidity 7-Day Move -1% Stable Time Left 5 months Resolves Dec 31 921K Vol. Dec 31, 2026 1H 6H 1D 1W 1M ALL Select lines to display December 31 $297K Vol. 22% Yes 21.5¢ No 78.5¢ October 31 $274K Vol. 12% Yes 11.5¢ No 88.5¢ May 31 $59K Vol. 0% Yes 0¢ No 100¢ June 30 $291K Vol. 0% Yes 0¢ No 100¢ The Russia-Ukraine war has a US-imposed June deadline hanging over it, and markets still give December ceasefire odds a less-than-one-in-three shot. That tension is the whole story. Putin signaled on May 9 that the war may be ‘coming to an end,’ yet formal negotiations remain stalled and competing unilateral ceasefires collapsed within days. The gap between diplomatic rhetoric and verified progress is exactly where this contract lives. Russia x Ukraine Ceasefire by December 31 trades at $0.28, implying a 28% probability that a ceasefire takes hold before the year ends. The contract resolves December 31, 2026. Total volume sits at $2,465, with liquidity of $104,295 suggesting the order book is deep relative to actual trading conviction. The crowd leans hard toward no deal this year. How the Russia-Ukraine December Ceasefire Contract Works This contract pays out if Russia and Ukraine formally agree to a ceasefire on or before December 31, 2026. The resolution follows market-designated criteria, not any single government declaration. A temporary unilateral truce does not qualify. Both sides must reach a mutual cessation of hostilities that holds. December 31 ceasefire (YES) trades at $0.28, implying a 28% chance of a deal this year.No ceasefire by December 31 (NO) trades at $0.72, implying a 72% chance the war continues past year-end. The path to a failed outcome runs through diplomatic gridlock. Russia and Ukraine declared competing unilateral ceasefires in early May 2026. Both collapsed almost immediately. A previous US-brokered pause on energy infrastructure strikes lasted just four days before Moscow violated it. Persistent ceasefire breakdown is the base case the market has already priced. Sponsored Partner Market Signals: Low Volume, Deep Liquidity, Flat Momentum Momentum across all three tracked signals reads N/A, N/A, and 20.00. The math doesn’t lie here: a trend score of 20 with no identifiable 1-hour or 24-hour directional movement signals pure stagnation. Putin’s May 9 comments briefly stirred diplomatic hope, but the order book absorbed that news without any detectable price shift. The $2,465 in 24-hour volume against $104,295 in liquidity tells a clear story. Capital is positioned, not actively moving. Traders set stakes on a longer diplomatic timeline and are holding. Low churn at this price level means conviction, not confusion. Momentum registers at 20.00 with flat 1h and 24h readings, connecting directly to the absence of any breakthrough in formal Russia-Ukraine talks as of May 16, 2026.The 1h price change is flat, consistent with a market waiting on the US-set June deadline for a preliminary framework.The 24h price change is flat, reflecting no new catalyst from the May 9 Putin signals that translated into verified negotiating progress.$104,295 in liquidity dwarfs $2,465 in volume, indicating deep positioning with minimal new money entering the market.Open interest at $0 underscores that this market is early-stage, with limited directional commitment from large-scale traders. Lines Analysis: What the Data Actually Favors on December 31 The 72% NO position is not reflexive pessimism. Here’s what the market is missing in the optimist case: the US gave both sides a June deadline to reach a peace framework, and Trump wrote publicly about a 1,000-prisoner swap and suspended kinetic activity as near-term confidence-builders. If the June framework holds, December becomes plausible. The market has not priced that chain of events at higher than 28%, and that may be right. The December ceasefire closes the gap only if three things happen in sequence: a June framework survives, formal talks begin in a neutral third country (Putin named that condition publicly), and both militaries hold a line. Russia violated its last agreed pause in four days. Ukraine struck Russian territory during Moscow’s Victory Day window. The structural pattern of agreed pauses collapsing is what keeps the NO side at 72%. A verified June framework agreement would push YES prices sharply higher as the December deadline becomes credible.Any new Russian strike on Ukrainian energy infrastructure after a US-brokered pause would reinforce the NO position and push prices toward 80%.Putin meeting Zelenskyy in a third country, the condition Putin named publicly, would be the single strongest YES catalyst before summer.US disengagement from the mediation effort, if Trump signals frustration with the June deadline, would be the clearest NO accelerant.A formal prisoner swap completing as Trump described would signal both sides are executing confidence-building measures, lifting YES modestly. The $2,465 in traded volume represents a thin but real consensus. The data favors the NO position, not because peace is impossible, but because the verified track record of ceasefire agreements holding between Russia and Ukraine in 2026 is zero. LINES VERDICT No Ceasefire by December The pattern of collapsed ceasefires, stalled formal talks, and unresolved territorial disputes gives the NO position its foundation. A June framework breakthrough could reopen this market, but that catalyst has not materialized. What the market says: 28% probability, a genuine minority view that December holds a deal. As the June deadline passes and the December 31 resolution date approaches, expect sharp price moves in either direction if formal negotiations either begin or collapse entirely. Political Context: Related Markets and What They Signal The broader Russia-Ukraine prediction market cluster adds texture. Putin out as President by December 31, 2026 sits at just 12%, meaning markets expect Putin to remain the decision-maker through year-end. Ukraine recognizing Russian sovereignty over its territory prices at 12% as well, suggesting the territorial question remains the hardest obstacle to any formal deal. Where Trump and Putin meet next prices at 91%, meaning a meeting is considered near-certain, but a meeting is not a ceasefire. The clearest near-term catalyst before December 31 is the US-set June deadline. If that deadline passes without a framework, the December contract will likely reprice below 20%. If a June agreement holds and formal talks move to a neutral venue, 40% becomes defensible before summer ends. FAQ The 28% probability means traders currently believe there is roughly a one-in-four chance Russia and Ukraine reach a formal ceasefire before December 31, 2026.The NO contract pays out if no mutual ceasefire is agreed and verified by December 31, 2026, regardless of any unilateral or temporary pauses either side declares.Price moves when verified developments shift the diplomatic timeline: a formal negotiation session, a US deadline outcome, or a major military escalation all move this contract.This contract resolves on December 31, 2026, meaning all trades must account for the full remaining diplomatic window between now and year-end.The $104,295 in liquidity means the order book can absorb significant trades without major price slippage, but the $2,465 in 24-hour volume signals limited active participation right now. This analysis reflects market conditions as of May 16, 2026. Prediction market probabilities are volatile and shift as new information emerges, especially as the 2026-12-31 00:00:00 resolution date approaches. Lines.com does not accept bets or provide financial or gambling advice. All market outcomes are uncertain. What Could Shift These Probabilities? December Ceasefire Supporting Factors A successful US-brokered June framework would dramatically raise the credibility of a December deal. Trump's public reference to a 1,000-prisoner swap and suspended kinetic activity suggests both sides have at least begun confidence-building conversations. If formal talks open in a neutral third country before August, the December contract could reprice above 50%. December Ceasefire Risk Factors Russia violated the last agreed energy-infrastructure pause in just four days. Ukraine conducted drone strikes during Moscow's Victory Day window. The structural pattern of agreed pauses collapsing is the core bearish signal. If the US June deadline passes without a framework, the December contract likely falls below 20% and stays there. YES Comeback Scenario The YES side recovers if Trump and Putin agree to a formal meeting, prisoner exchanges execute as announced, and a neutral-venue negotiation session is confirmed before the end of June. Each verified step would compress the gap between diplomatic rhetoric and binding commitment, pushing the contract meaningfully above 35%. Wildcard Factor A major Ukrainian battlefield reversal or Russian military collapse before September could force one side to accept terms regardless of diplomatic posturing. Equally, a US withdrawal from the mediation role would eliminate the primary external pressure keeping both sides at the table, collapsing YES prices toward single digits overnight. Key macro factor: The US-imposed June 2026 deadline is the dominant near-term variable for the entire Russia-Ukraine ceasefire market cluster. Market Timeline May 14, 2026 Market Created May 16, 2026, 1:20 AM Market Opened May 16, 2026, 1:26 AM Event Start Dec 31, 2026 Market Resolution Place paper trade No real money × Russia x Ukraine Ceasefire by...? Outcome December 31 · 22% October 31 · 12% YES $0.22 NO $0.79 Stake (USD) $100 $500 $1,000 $5,000 Pick a market to see how many shares you would hold. Related Prediction Markets Moving Now Elon Musk # tweets July 25 - July 27, 2026? 40-64 100% Yes No 65-89 0% Yes No Read Article Moving Now Who will Bernie endorse? 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