Trade: Ohio Senate Election Winner
Resolution criteria on PolyGram: This market will resolve according to the winner of the 2026 Ohio U.S. Senate special election currently scheduled for November 3, inclusive of any run-offs. A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date. Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party. The resolution source for this market is the Associated Press, Fox News, and NBC.
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
- $61K
- Total Volume
- $76K
- 24h Volume
- $528
- Open Interest
- $27K
Market outcomes
| Democrat | 58% YES | 42% NO |
| Person A | — | |
| Person C | — | |
| Person E | — | |
| Person G | — | |
| Person I | — | |
| Other | — | |
| Republican | 43% YES | 57% NO |
Market context
Ohio will hold a special election for its U.S. Senate seat on 3 November 2026. The 57% implied probability on Polymarket's order book reflects current positioning between Democratic and Republican nominees, with the market pricing in a competitive race. This probability emerges from live trading activity rather than a fixed forecast, meaning it shifts as new information reaches traders and positions adjust across the order book.
Special Senate elections in competitive states have historically produced outcomes closely aligned with underlying state partisanship, though turnout dynamics and candidate quality can shift results by several percentage points. Ohio's recent electoral history shows Republican strength in statewide races—the party won the 2022 Senate election and 2024 presidential contest—yet Democratic candidates have occasionally overperformed in special elections with lower, more unpredictable turnout. The current 57% probability suggests traders view the race as genuinely contested rather than a predetermined outcome, positioning it closer to a toss-up than Ohio's recent partisan lean would suggest.
Traders should monitor candidate announcements and filing deadlines, which typically occur months before the election. Major catalysts include primary results if either party holds a contested nomination process, polling releases from credible firms, and any shifts in national political momentum that could affect turnout composition. Campaign spending disclosures and endorsement patterns from state party leadership will also signal confidence levels among political insiders. The settlement window closes at the election date, leaving no window for post-election disputes or recounts to influence market resolution.
Wikipedia Context
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Ohio SenateThe Ohio Senate is the upper house of the Ohio General Assembly, the lower house being the Ohio House of Representatives. The State Senate, which meets in the Ohio Statehouse in Columbus, first convened in 1803. Senators are elected for four year terms, staggered every two years such that half of the seats are contested at each election. Even numbered seats
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Ohio Senate Bill 1 (2025)Ohio Senate Bill 1 , also known as the Advance Ohio Higher Education Act, is a 2025 law in the US state of Ohio that bans diversity, equity, and inclusion (DEI)-based hiring and enrollment in universities as well as banning school faculty from going on strike. It was signed by Governor Mike DeWine on March 28, 2025, and took effect on June 27, 2025.
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Ohio Senate Bill 104
Ohio Senate Bill 104 , also known as the Protect All Students Act, is a 2024 law in the state of Ohio that restricts access to bathrooms and locker rooms in schools to that of sex assigned at birth. It was signed into law by Governor Mike DeWine on November 27, 2024 and took effect on February 25, 2025.
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Ohio Senate Committees
The Ohio Senate Committees are the legislative sub-organizations in the Ohio Senate that handle specific topics of legislation that come before the full Senate. Committee membership enables members to develop specialized knowledge of the matters under their jurisdiction. Currently, there is only one announced committee in the 131st Ohio General Assembly.
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 "Ohio Senate Election Winner" are the same as any other PolyGram 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?
$76K in lifetime turnover and $61K of resting liquidity puts this market in the above the median by volume for midterms contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $528 in turnover, consistent with the market's lifetime daily-average pace.
The market has been open for 7 months — long enough that the order book is mature and price is well-anchored to fundamentals.
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 "Ohio Senate 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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