Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Election Predictions UK) Pick polygram.ink (preferred broker) |
93% | 7% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
93% | 7% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31, 2026 | 93% |
| September 30, 2026 | 86% |
| July 31, 2026 | 57% |
| May 31, 2026 | 0% |
| August 31 | 0% |
| December 31 | 0% |
| October 31 | 0% |
| September 30 | 0% |
| November 30 | 0% |
| March 31, 2026 | 0% |
| January 31, 2026 | 0% |
| February 28, 2026 | 0% |
| June 30, 2026 | 0% |
| April 30, 2026 | 0% |
Market context
Russia is currently engaged in a slow, costly urban assault on Kostyantynivka, infiltrating roughly 37% of the city without securing enduring control or breaking Ukraine’s defensive line. This mirrors the grueling 2022–2023 battle for Bakhmut, where Russian forces achieved incremental tactical gains at extreme human cost but failed to achieve a rapid operational breakthrough against fortified positions. In both cases, the attacker’s advance rate has steadily decelerated over months, with infiltrators remaining interspersed among defender positions rather than consolidating strongholds. The current 0% crowd-implied probability reflects this historical pattern: tactical presence does not equate to capture, especially within Ukraine’s “Fortress Belt,” where supply lines and defensive depth have repeatedly stalled Russian offensives despite heavy casualties.
Traders should monitor three key catalysts: Vladimir Putin’s recent false declaration of total seizure on 3 July, which contradicts all verified evidence; the DeepState map’s indication that Russian troops have encroached on the city’s “red zone” since mid-May; and the Kremlin’s missed May 2026 deadline to seize the city, now shifted to a single costly bet on Kostyantynivka. The market is leaning on the ISW assessment that Russian forces will likely continue making slow tactical gains in summer 2026 but remain unlikely to achieve a rapid operational breakthrough against the Fortress Belt. Analyst Kostyantyn Mashovets speculated the city might fall in June or July, yet Ukrainian forces persist in repelling infiltrators and clearing outposts like Dovha Balka. The primary dependency is whether Russia can consolidate its infiltrations into enduring positions before autumn, a scenario ISW deems improbable given diminishing manpower advantages and high casualty rates.
Methodology
This page tracks Will Russia capture Kostyantynivka by 2025? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Election Predictions UK provide a 0%-fee route into the same order book.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
Trade Will Russia capture Kostyantynivka by 2025? on Election Predictions UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →