Resolution criteria on PolyGram: This market will resolve according to the party of the candidate who wins the WI-07 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources.
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
| Other | — | |
| Democratic Party | 16% YES | 84% NO |
| B | — | |
| Republican Party | 76% YES | 25% NO |
| A | — | |
| C | — | |
| D | — | |
| E | — | |
Wisconsin's 7th congressional district will elect a representative to the U.S. House in the 2026 midterm elections on 4 November 2026. The seat is currently held by Republican Tom Tiffany, who has represented the district since 2021. WI-07 encompasses much of northern Wisconsin, including areas around Wausau and the Fox Valley region. The district has voted Republican in recent cycles, though its partisan lean has shifted modestly over the past decade as demographic and political patterns have evolved across the Upper Midwest.
Historical performance provides context for assessing competitive dynamics. In 2022, Tiffany won re-election with 56% of the vote against Democratic challenger Tricia Zunker. The district's 2020 presidential result favoured Trump by approximately 8 percentage points, suggesting a solid Republican lean, though not overwhelmingly safe territory. Comparable Midwestern districts have seen competitive races when national political conditions shift or when local candidate quality varies significantly. The district's composition—mixing rural areas with small urban centres—creates potential for volatility depending on turnout patterns and messaging resonance.
Traders should monitor candidate announcements throughout 2025 and early 2026, particularly whether Tiffany seeks re-election and who emerges as the Democratic challenger. National political conditions, economic data, and approval ratings will shape the broader environment. Local Wisconsin political developments, including state legislative races and gubernatorial dynamics, may influence turnout and voter engagement in the district. The Polymarket order book will reflect evolving assessments as these factors crystallise and the election cycle progresses.
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 "WI-07 House Election Winner" 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.
$18K in lifetime turnover and $5K 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.
The market has been open for 3 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 3 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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