Trade: OH-04 House Election Winner
Resolution criteria on PolyGram: This market will resolve according to the party of the candidate who wins the OH-04 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.
- Liquidity
- $16K
- Total Volume
- $5K
- 24h Volume
- —
- Open Interest
- $551
Market outcomes
| Republican Party | 93% YES | 8% NO |
| Other | — | |
| B | — | |
| D | — | |
| Democratic Party | 7% YES | 94% NO |
| A | — | |
| C | — | |
| E | — | |
Market context
Ohio's 4th congressional district will elect a representative to the U.S. House in the 2026 midterm elections on 4 November. The current order book on Polymarket reflects a 93% implied probability for a Republican victory, suggesting the market views this seat as solidly conservative territory. The district has consistently favoured Republican candidates in recent cycles, establishing the baseline from which traders are pricing this outcome.
The 93% probability sits within the range typical for seats with strong historical partisan leanings. Ohio-04 has voted Republican in every presidential election since 2000, and the district's demographic composition—rural and exurban areas with limited urban centres—aligns with Republican electoral strength. Comparable safe-seat markets across Polymarket generally trade between 85% and 97% depending on the specific district's margin history and recent performance. The current pricing reflects confidence in Republican retention rather than exceptional certainty, leaving meaningful room for movement should political conditions shift.
Traders should monitor candidate announcements from both parties, expected in 2025, as recruitment quality and incumbent status significantly influence outcomes in otherwise predictable districts. National economic conditions heading into 2026, particularly inflation and employment figures, will shape the broader midterm environment. Any unexpected demographic shifts or local political developments in the district could trigger repricing. The settlement window closes on 3 November 2026, giving traders approximately 18 months to assess how these variables develop.
Wikipedia Context
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Ohio House of RepresentativesThe Ohio House of Representatives is the lower house of the Ohio General Assembly, the state legislature of the U.S. state of Ohio; the other house of the bicameral legislature being the Ohio Senate.
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Ohio House Committees
The Ohio House Committees are the legislative sub-organizations in the Ohio House of Representatives that handle specific topics of legislation that come before the full House of Representatives. Committee membership enables members to develop specialized knowledge of the matters under their jurisdiction.
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Ohio House Bill 68 (2023)Ohio House Bill 68 , also known as the Saving Ohio Adolescents from Experimentation (SAFE) Act, is a 2023 law in the state of Ohio that bans certain gender-affirming care for minors, including puberty blockers, hormone replacement therapy (HRT), and sex reassignment surgery, and requires parental consent for other treatment. It also bans transgender women fr
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Ohio House Bill 249
Ohio House Bill 249 , also known as the Indecent Exposure Modernization Act, is a proposed law in the US state of Ohio that would restrict cabaret to adult locations only and would consider any public performer expressing a gender identity differing from their biological sex as a cabaret performer. It is generally seen as a ban on public drag performances. I
How this market resolves
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.
How to trade this market step by step
The mechanics for trading "OH-04 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.
- Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
- Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
- Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
- Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
- Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
- Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.
How active is this market?
$5K 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.
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.
Key terms
- YES / NO share
- A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.
- CLOB
- Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.
- Liquidity
- USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.
- UMA optimistic oracle
- The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.
- Slippage
- The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.
- Conditional token
- ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.
Frequently asked questions
How does this market resolve?
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.
When does this market close?
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.
How can I trade on "OH-04 House Election Winner"?
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.
What happens when the market resolves?
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.
Risk and regulatory note
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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