Pronóstico: Will Russia capture Kostyantynivka by 2025?

Platform comparison

Market context

Russia has not yet captured Kostyantynivka, a key Ukrainian stronghold in Donetsk Oblast that serves as the last major settlement before Kramatorsk on the final defence line. On Polymarket today, this contract trades at a 0% probability for a Russian capture by the settlement deadline, reflecting the market’s assessment that the offensive has stalled despite months of grinding pressure. The on-chain mechanics are straightforward: USDC on the Polygon network backs the conditional tokens, meaning traders are betting on a binary outcome where the token either pays out one USDC or zero, with no partial settlement.

Historically, similar urban campaigns in eastern Ukraine have seen Russia commit massive reinforcements yet fail to seize towns within expected timelines, as seen in the prolonged battles for Chasiv Yar and Toretsk before the Kostyantynivka push began in Summer 2025. Russian forces have advanced tactically into eastern and southwestern Kostyantynivka, with tactical groups “Bakhmut” and “Dzerzhinsk” infiltrating the town, yet they failed to seize the town by May 2026 despite adding mechanised equipment [2]. Ukrainian forces have successfully interdicted Russian logistics, forcing a shift from heavy armour to light transport for supply rotations, which has slowed the offensive’s momentum [2].

Traders should watch for upcoming Russian announcements on reinforcement deployments, Ukrainian counterattack schedules in the Borova direction, and any shifts in artillery or drone usage that could alter the tactical balance. A recent report from the Institute for the Study of War notes that Russian forces have continued offensive operations in the Borova direction but failed to advance due to Ukrainian counterattacks [2]. The critical dependency remains whether Russia can break the Ukrainian logistical interdiction; if they cannot, the 0% probability may hold firm until the settlement window closes in December 2025.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.