Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
7% | 93% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
7% | 93% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 7% |
| June 30 | 0% |
Market context
The question centres on whether Ukraine will experience a widely reported coup attempt—defined as a coordinated effort by military, security or state actors to unlawfully seize governmental control—between now and 30 June 2026. The 7% implied probability reflects relatively low near-term risk, though Ukraine's security environment remains volatile following Russia's 2022 invasion and ongoing territorial conflict.
Ukraine's post-Soviet history includes one successful coup in 2004 (the Orange Revolution, though technically extra-constitutional rather than military-led) and multiple periods of acute political instability, yet formal coup attempts by uniformed services remain uncommon. The 2014 Euromaidan upheaval and subsequent Crimean annexation triggered significant military reorganisation and purges within the armed forces, reducing institutional appetite for internal power seizures. Current military leadership, including Commander-in-Chief Valerii Zaluzhnyi (until his recent reassignment), has maintained formal loyalty to civilian authority despite occasional public friction with President Zelensky over strategy and resources. Historical precedent suggests Ukrainian coups cluster around moments of perceived state weakness or contested legitimacy rather than during active external wars.
Traders should monitor several catalysts through the settlement window: changes in military command structure, any significant deterioration in Ukraine's battlefield position that might embolden hardline factions, shifts in Western military aid flows, and domestic political fractures within Zelensky's coalition. The Rada's composition and any confidence votes in government ministers warrant attention. Recent reporting from Reuters and the Financial Times has documented tensions between civilian and military leadership over conscription policy and strategic direction, though these remain within normal democratic bounds rather than indicating coup risk. The probability's current level suggests markets view institutional safeguards and wartime cohesion as sufficient constraints against unconstitutional seizure.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Ukraine coup attempt by 2026? on Best Prediction Markets
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