PolymarketCloses · in 17 daysPart of Massachusetts Senate Election Winner →

Will the Democrats win the Massachusetts Senate race in 2026?

Current price

98.5¢

+0.35¢ · 24h

Implied probability 98.5%
$36.6K total volume · YES/NO

7-day range 97.9–98.65¢

Low gotcha risk

Gotcha risk — resolution-rule assessment

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The rules clearly specify the outcome condition based on the winner of the 2026 Massachusetts U.S. Senate election. Resolution is determined once three named major media outlets (the Associated Press, Fox News, and NBC) all call the race for the same candidate, with a clear fallback to official election certification if there is any disagreement among them. Party representation rules are well-defined, explicitly excluding independent runs regardless of outside affiliation and accommodating candidate replacements before election day.

Wording ambiguity
Low
Source discretion
Low
Timing risk
Low
Exceptional clauses
Low

Liquidity

Medium tradability

Moderate book at the daily check: a spread over 1¢, or less than $50K within 5¢ of the mid. Larger orders may move the price, so check the book before sizing.

Book depth $10K within 5¢ of mid
Price history range

Price history

Market price
97.8¢98¢98.2¢98.4¢98.6¢22:5706:5514:5322:51
97.8¢98¢98.2¢98.4¢98.6¢Oct 10Oct 13Oct 15Oct 17
92¢94¢96¢98¢100¢Jul 22Aug 20Sep 18Oct 17

Why it moved

No big moves in the last 7 days.

Resolution rules

This market will resolve according to the winner of the 2026 midterm Massachusetts 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 candidates may be named in the contract for the convenience of traders. In the event that any named candidate is replaced as the nominee of their respective party prior to election day, the name in the contract will be updated and the market will resolve based on the replacement nominee of the party. The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.

Rules history

Rules history is not displayed yet.

Market explained

This market measures whether the Democratic nominee wins the 2026 Massachusetts U.S. Senate election, inclusive of run-offs. Candidates running as independents are not encompassed by the Democrat or Republican options regardless of any party affiliation.

How it resolves

The market resolves Yes if the Democratic Party nominee wins the 2026 Massachusetts U.S. Senate election. The market resolves No if any other candidate wins. Candidates running as independents do not count for the Democratic or Republican options even if affiliated with that party. If a named nominee is replaced before election day, the market follows the replacement nominee. Resolution is decided when the Associated Press, Fox News, and NBC all call the race for the same candidate. If all three sources do not call the race for the same candidate, resolution relies on official certification.

Key dates

  • Election year: The election year stated for the Massachusetts U.S. Senate race. Date as stated: 2026.

Resolution source

Associated Press, Fox News, NBC, or official certification

AI-generated analysis · google/gemini-3.7-flash ·

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