Resolution criteria on PolyGram: This market will resolve to “Yes” if any European country formally commits to giving Ukraine a security guarantee, defined as a publicly announced and mutually agreed deal between the relevant European country and the Government of Ukraine which creates a binding obligation for the relevant European country to defend or directly intervene on Ukraine’s behalf, by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to “No.” A qualifying “security guarantee” requires language that is equivalent in character to a NATO Article 5–style mutual defense commitment: the relevant European country must commit to responding militarily if Ukraine is attacked, or otherwise guarantee Ukraine’s…
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
| European country agrees to give Ukraine security guarantee by June 30? | 6% YES | 94% NO |
The question hinges on whether any European nation will formally commit to defending Ukraine militarily through a binding security guarantee—akin to NATO's Article 5 collective defence clause—before the end of June 2026. This would require a publicly announced, mutually agreed treaty or accord creating explicit obligations for direct intervention if Ukraine faces aggression. The current 9% implied probability on Polymarket's order book reflects significant scepticism about such a commitment materialising within the 18-month window.
Historical precedent suggests formal security guarantees of this magnitude are rare outside NATO frameworks. The Budapest Memorandum of 1994, which provided security assurances to Ukraine in exchange for nuclear disarmament, lacked enforcement mechanisms and proved insufficient when Russia invaded in 2022. More recently, bilateral defence agreements between individual European states and Ukraine—such as those signed by the UK, France, and Poland—have stopped short of NATO-style mutual defence obligations, instead offering military aid and training. These limited commitments indicate European reluctance to assume the legal and military burdens of Article 5–equivalent guarantees.
Traders should monitor several catalysts: formal NATO membership negotiations for Ukraine, which could accelerate if geopolitical conditions shift; statements from major European leaders at upcoming EU summits; and any major developments in the Ukraine conflict that might alter European risk calculations. Recent reporting from Reuters and AFP has highlighted divisions within Europe over Ukraine's NATO prospects, with some members prioritising de-escalation over formal security commitments. The probability may shift if peace negotiations advance or, conversely, if military escalation forces European hands.
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.
The mechanics for trading "European country agrees to give Ukraine security guarantee by June 30?" are the same as any other PolyGram political 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.
$122K in lifetime turnover and $12K of resting liquidity puts this market in the around the median by volume for politics contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
Last 24 hours alone saw $3K in turnover, consistent with the market's lifetime daily-average pace.
The market has been open for 4 months — the price has had time to stabilise as new information arrived.
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.
As of today, traders on Polymarket price this outcome at 6%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
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 30 June 2026. 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.
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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