Resolution criteria on PolyGram: This market will resolve to “Yes” if both of the following conditions are met as a result of the 2026 midterm elections: - Democrats hold 218 or more seats in the House - Democrats hold 49 or more seats in the Senate Otherwise, this market will resolve to “No”. This market will remain open until it is confirmed that at least one of the above conditions has not been met, or until all of the above conditions have been met. The full rules for this market can be found here: https://polymarket-upload.s3.us-east-2.amazonaws.com/BlueWave.pdf
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
| Blue wave in 2026? | 77% YES | 23% NO |
The 2026 United States midterm elections will determine control of Congress. This market resolves affirmatively only if Democrats simultaneously retain at least 218 House seats and secure 49 or more Senate seats. Currently, the order book implies a 76% probability of this outcome, reflecting expectations that Democrats will either hold or gain ground in both chambers.
Historically, the party holding the presidency faces significant headwinds in midterm elections. In 2022, with Republicans in opposition, Democrats defied this pattern and gained Senate seats whilst losing the House by a modest margin. The current 76% probability suggests traders anticipate a notably stronger Democratic performance in 2026 than occurred four years prior. This would require not merely holding House losses to manageable levels but potentially reversing them—a rare occurrence for any party in power during a midterm cycle.
Key variables shaping market pricing include economic conditions through 2026, particularly inflation and employment data, alongside approval ratings for the sitting administration. Congressional redistricting effects from the 2020 census will remain fixed. Traders should monitor special election results in 2024 and 2025 as leading indicators of midterm momentum, as well as any significant legislative achievements or failures that reshape the political landscape. The Federal Reserve's monetary policy trajectory and broader macroeconomic forecasts will likely drive material repricing as the election approaches.
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 "Blue wave in 2026?" 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.
$42K in lifetime turnover and $16K of resting liquidity puts this market in the below 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 $232 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 77%. 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 November 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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