Trade: Next Senate Majority Leader?
Resolution criteria on PolyGram: This market will resolve according to the individual who is announced as the next Senate Majority Leader after the November 3, 2026, U.S. General Election. This market will remain open until January 3, 2027, at which point it will resolve based on the first announcement of the next Senate Majority Leader from whichever party holds the majority in the U.S. Senate. If no Majority is established and a leader is not announced by June 30, 2027, 11:59 PM ET, this market will resolve to “Other”.
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
- $214K
- Total Volume
- $62K
- 24h Volume
- —
- Open Interest
- $6K
Market outcomes
| Person AV | — | |
| Person AB | — | |
| Person AD | — | |
| Tom Cotton | 18% YES | 82% NO |
| Brian Schatz | 10% YES | 91% NO |
| Amy Klobuchar | 6% YES | 94% NO |
| Cory Booker | 4% YES | 96% NO |
| John Cornyn | — | |
Market context
The 2026 midterm elections will determine which party controls the Senate, with the winning party's members subsequently selecting their Majority Leader. This selection typically occurs during the post-election transition period, with the new Congress convening on 3 January 2027. The Majority Leader position carries substantial legislative power, controlling the chamber's floor schedule and agenda. The market settles once the winning party formally announces its chosen leader, with a backstop resolution date of 30 June 2027 should no announcement occur.
Senate leadership contests have historically been competitive internal affairs, particularly when parties face narrow majorities or significant ideological divisions. In 2021, Chuck Schumer retained Democratic leadership despite pressure from progressive members, whilst Republican leadership races have proven more volatile—Kevin McCarthy's 2023 Speaker election required significant concessions to hardline members. Current Senate dynamics suggest similar internal negotiations may occur, with factors including regional representation, seniority, fundraising prowess and ideological alignment all influencing outcomes. The Republican caucus has demonstrated particular fluidity in recent leadership selections.
Traders should monitor several key developments: the November 2026 election results determining which party holds the majority, any early public declarations of candidacy from potential leaders, and statements from influential senators regarding their preferences. Party unity and the size of the majority will significantly influence whether leadership selection proves contested or consensual. The Polymarket order book will reflect evolving expectations as these events unfold, with current pricing reflecting baseline probabilities pending concrete election results and leadership announcements.
Wikipedia Context
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New Senate Building (Philippines)The New Senate, also known as the New Senate Building, is a government building under construction in Fort Bonifacio, Taguig, Philippines. It is set to be the new building of the Senate of the Philippines starting in mid-2027.
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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 "Next Senate Majority Leader?" 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?
$62K in lifetime turnover and $214K of resting liquidity puts this market in the above the median by volume for senate elections contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
The market has been open for around a month — fresh enough that information asymmetry remains a real factor.
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 January 2027. 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 "Next Senate Majority Leader?"?
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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