Resolution criteria on PolyGram: This market will resolve according to the winner of the 2026 midterm Rhode Island U.S. Senate election, 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.
Market outcomes
| Democrat | 93% YES | 8% NO |
| Person C | — | |
| Person G | — | |
| Other | — | |
| Republican | 5% YES | 95% NO |
| Person D | — | |
| Person H | — | |
| Person B | — | |
The 2026 United States Senate election in Rhode Island will determine which party holds the state's upper chamber seat. The current order book on Polymarket reflects a 93% implied probability that a candidate will successfully win the election, with settlement contingent on the final result inclusive of any run-off procedures that may occur. This high probability reflects the near-certainty that the election will produce a winner rather than uncertainty about which party will prevail.
Rhode Island has voted consistently Democratic in statewide federal elections over the past two decades. The state has not elected a Republican senator since 1982, and Democratic candidates have won the last four consecutive Senate elections with margins exceeding 10 percentage points. The current senator, Sheldon Whitehouse, a Democrat first elected in 2006, is not term-limited and could seek re-election. Historical precedent suggests incumbent advantage and party alignment with the state's electorate remain the dominant factors shaping outcomes in Rhode Island Senate races.
Key catalysts for traders include candidate announcements, typically occurring in late 2025 or early 2026, and any shifts in national political conditions that might affect Democratic performance in traditionally blue states. The Federal Election Commission filing deadlines and primary election schedules will establish the formal candidate slate. Changes in candidate quality, unexpected retirements, or significant national political realignment could alter the probability distribution, though the current market pricing reflects confidence that a decisive winner will emerge by the November 2026 settlement date.
Rhode Island is a state in the New England region of the Northeastern United States. It borders Connecticut to its west; Massachusetts to its north and east; and the Atlantic Ocean to its south via Rhode Island Sound and Block Island Sound; and shares a small maritime border with New York, east of Long Island. Rhode Island is the smallest U.S. state by area
Rhode Island T. F. Green International Airport is a public international airport in Warwick, Rhode Island, United States, 6 miles south of the state's capital and largest city of Providence. Opened in 1931, the airport was named for former Rhode Island governor and longtime senator Theodore Francis Green. Rebuilt in 1996, the renovated main terminal was name
The University of Rhode Island (URI) is a public land-grant research university with its main campus in Kingston, Rhode Island, United States. It serves as the state's flagship public research institution and land-grant university of Rhode Island. The university is classified among "R1: Doctoral Universities – Very high research activity". As of 2019, URI en
The Rhode Island School of Design is a private art school in Providence, Rhode Island, United States. The school was founded as a coeducational institution in 1877 by Helen Adelia Rowe Metcalf, who sought to increase the accessibility of design education to women.
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 "Rhode Island 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.
$8K in lifetime turnover and $5K of resting liquidity puts this market in the below the median by volume for midterms 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 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.
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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