Resolution criteria on PolyGram: This market will resolve to “Yes” if, according to the ISW map, Russia captures the Sumy railroad station located on Pryvokzalna ploscha by September 30, 2025 at 11:59 PM ET. The railroad station will be considered captured if any part of the train station icon is shaded red on the ISW map (https://storymaps.arcgis.com/stories/36a7f6a6f5a9448496de641cf64bd375) by the resolution date. If the area is not shaded red by September 30, 2025, 11:59 PM ET, the market will resolve to “No”. If Russia comes into control of this territory as a result of a negotiated settlement, this will qualify for a 'Yes' resolution, regardless of if it is shaded red in the ISW map.
Real-money prediction markets aggregate live odds from thousands of traders, surfacing a sharper probability than any single forecast. Odds will populate live once the order book fills with 305 days to resolution, giving the order book ample time to absorb new information, backed by $31K of resting liquidity.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| September 30 | 0% YES | 100% NO |
| December 31 | 0% YES | 100% NO |
| March 31, 2027 | 14% YES | 86% NO |
Russia's advance in the Sumy region has stalled considerably since its initial incursions in 2022. The Sumy railway station, located in the regional capital approximately 40 kilometres from the Russian border, remains under Ukrainian control. The current 0% implied probability on Polymarket reflects the substantial distance between Russian frontlines and this objective, with no credible military pathway evident for Russian forces to breach Ukrainian defences and traverse the intervening terrain within the settlement window ending September 2025. The order book shows minimal trading activity, consistent with the extreme conviction required to bet affirmatively on this outcome.
Historical precedent suggests that capturing regional railway hubs in contested territory requires either sustained offensive momentum or negotiated territorial concessions. Russia's capture of Mariupol's Azovstal steelworks in 2022 and Severodonetsk in 2023 involved months of grinding urban warfare following significant prior territorial gains. The Sumy front has instead contracted or remained static since mid-2023, with Ukrainian forces maintaining defensive positions. The Institute for the Study of War's assessments have consistently indicated Russian forces lack the operational capacity for major offensive breakthroughs in this sector.
Traders should monitor announcements regarding ceasefire negotiations, any major shifts in Russian force deployments toward Sumy, or changes to ISW's mapping methodology. Recent reporting from Reuters and AP News indicates diplomatic discussions remain preliminary, with no imminent settlement framework. The resolution criteria's inclusion of negotiated territorial transfers introduces a secondary pathway, though current peace negotiations show no momentum toward Russian territorial gains in Sumy oblast specifically.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
For this market, the resolution date is 31 March 2027. A UMA proposer can submit the outcome from that moment; the two-hour dispute window closes at , and assuming no counter-claim is staked, winning USDC clears to trader balances by approximately .
If a dispute is filed inside the two-hour window, the outcome escalates to UMA token-holder voting, which extends settlement by roughly 48 hours. This particular market has no public resolution feed listed; disputes here are more likely if the underlying outcome is subject to interpretation, in which case the UMA token-vote arbitrates the wording of the original market question.
Withdrawal pace from your PolyGram balance is non-custodial and immediate — once payout clears, funds are yours to send to any Polygon wallet you control. Funds clear directly to your in-app USDC balance on Polygon. Withdrawals are non-custodial: send to any address you control, typical confirmation under 30 seconds, gas paid in USDC if you'd rather not hold MATIC.
Minimum order size on PolyGram is $1.00, with no maximum cap aside from available book depth. Orders route into Polymarket's on-chain CLOB on Polygon; the matching engine pairs YES buyers with NO buyers atomically — every executed trade is settled on-chain with no counterparty risk. For "Will Russia capture Sumy by 2027?", order-book behaviour for this market reflects the underlying volatility of the outcome — patient limit orders typically fill closer to mid than market orders.
The trade ticket includes a slippage box (default 2%, configurable 0.1%-10%) that caps the worst-case entry price. Your maximum loss is your stake — winning YES (or NO) shares pay $1.00 each at resolution. With this market's current book depth ($31K of resting liquidity), a $200 order should fill with single-cent slippage at the displayed mid-price.
PolyGram charges 0% house edge — no spread mark-up, no rake on winnings, no withdrawal fees beyond network gas. The platform earns exclusively from optional features (copy-trade boosts, advanced order types, the yield vault on idle USDC); the trading surface itself is at-cost.
The mechanics for trading "Will Russia capture Sumy by 2027?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$716K in lifetime turnover and $31K of resting liquidity puts this market in the top 2% by volume for geopolitics contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
Last 24 hours alone saw $7 in turnover, consistent with the market's lifetime daily-average pace.
The market has been open for 12 months — long enough that the order book is mature and price is well-anchored to fundamentals.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 31 March 2027. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose. For "Will Russia capture Sumy by 2027?", the considerations above apply directly — Trade size should reflect the binary nature of the payoff: even a 70% probability event resolves NO 30% of the time, so any single position can lose 100% of staked capital.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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