Incumbent Democrat Ed Markey secured his party's nomination for the 2026 U.S. Senate seat in Massachusetts by defeating Representative Seth Moulton in the September 1 primary with roughly 65% of the vote. The state's long-standing Democratic tilt, reinforced by Kamala Harris's 25-point margin in the 2024 presidential race, underpins trader consensus favoring the Democratic nominee at 97%. Republican John Deaton, who advanced unopposed in his primary, faces structural barriers including limited statewide name recognition and fundraising gaps typical in this electorate. Recent polling averages show Markey ahead by more than 20 points. Potential shifts could stem from an unforeseen national political realignment, a late-breaking scandal, or significant health developments affecting the incumbent before November 3.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoVincitore delle elezioni del Senato del Massachusetts
$47,944 Vol.
$47,944 Vol.

Democratico
97%

Repubblicano
3%
$47,944 Vol.
$47,944 Vol.

Democratico
97%

Repubblicano
3%
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. 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.
Mercato aperto: Oct 13, 2025, 5:07 PM ET
Risolutore
0x2F5e3684c...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. 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.
Risolutore
0x2F5e3684c...Incumbent Democrat Ed Markey secured his party's nomination for the 2026 U.S. Senate seat in Massachusetts by defeating Representative Seth Moulton in the September 1 primary with roughly 65% of the vote. The state's long-standing Democratic tilt, reinforced by Kamala Harris's 25-point margin in the 2024 presidential race, underpins trader consensus favoring the Democratic nominee at 97%. Republican John Deaton, who advanced unopposed in his primary, faces structural barriers including limited statewide name recognition and fundraising gaps typical in this electorate. Recent polling averages show Markey ahead by more than 20 points. Potential shifts could stem from an unforeseen national political realignment, a late-breaking scandal, or significant health developments affecting the incumbent before November 3.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato


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