Resolution criteria on PolyGram: This market will resolve to "Yes" if the United States formally declares war on Venezuela through an act of Congress between December 15 and December 31, 2025, 11:59 PM ET. Otherwise, this market will resolve to "No." To qualify, Congress must pass a formal declaration of war, consistent with its constitutional authority under Article I, Section 8. Authorizations for the use of military force (AUMFs), executive orders, presidential statements, or military actions do not qualify unless accompanied by a formal declaration of war enacted by Congress and signed into law. The resolution source will be a clear consensus of credible reporting.
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
| June 30, 2026 | 1% YES | 99% NO |
| December 31 | 0% YES | 100% NO |
A formal declaration of war by the United States Congress against Venezuela remains an extraordinarily low-probability event, reflected in the 1% implied probability currently priced on Polymarket's order book. Such a declaration would require passage through both chambers of Congress and presidential signature, representing a constitutionally distinct action from military authorisation resolutions or executive military operations. The specificity of the timeframe—a two-week window in late December 2025—further constrains the probability space, as Congress would need to prioritise such a declaration amid year-end legislative schedules and holiday recesses.
Historical precedent suggests formal declarations of war have become exceptionally rare in American politics. The last formal declaration against a nation-state occurred in 1942 during the Second World War; subsequent military engagements, including those in Korea, Vietnam, Iraq, and Afghanistan, proceeded through authorisation resolutions rather than declarations. US-Venezuela relations have involved sanctions, diplomatic tensions, and support for opposition figures, but no military escalation approaching the threshold that would trigger congressional war declaration votes. The Biden administration's posture toward Venezuela has emphasised diplomatic pressure and sanctions rather than military confrontation.
Traders monitoring this market should track developments in US-Venezuela diplomatic incidents, any major security events affecting American interests in the region, and congressional scheduling announcements for December 2025. Recent geopolitical shifts in Latin America and any significant escalation in regional tensions could alter baseline probabilities, though the constitutional and political barriers to formal war declarations remain structurally formidable.
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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 "Will the US officially declare war on Venezuela by...?" 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.
$1.2M in lifetime turnover and $24K of resting liquidity puts this market in the top 10% by volume for politics contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $165 in turnover, consistent with the market's lifetime daily-average pace.
The market has been open for 5 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.
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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