Incumbent Democrat Cory Booker seeks a third full term in New Jersey's Class 2 Senate seat against Republican Justin Murphy, who secured his party's nomination in the June 2026 primary. New Jersey's structural Democratic lean, reinforced by the state's voting record in recent presidential and Senate contests, underpins the market's 96.6% implied probability for a Democratic victory. Booker's long tenure since 2013, broad name recognition, and unopposed primary have further consolidated trader consensus around his position. Forecasters rate the race Solid or Safe Democratic, consistent with historical patterns where Republicans have not won a Senate general election in the state since 1972. A late development such as an unforeseen scandal, health event, or unusually strong national Republican midterm environment could narrow the margin, though current fundamentals show limited scope for an upset before the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$20,465 Vol.
$20,465 Vol.

Democrat
97%

Republican
4%
$20,465 Vol.
$20,465 Vol.

Democrat
97%

Republican
4%
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.
Market Opened: Oct 13, 2025, 5:04 PM ET
Resolver
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.
Resolver
0x2F5e3684c...Incumbent Democrat Cory Booker seeks a third full term in New Jersey's Class 2 Senate seat against Republican Justin Murphy, who secured his party's nomination in the June 2026 primary. New Jersey's structural Democratic lean, reinforced by the state's voting record in recent presidential and Senate contests, underpins the market's 96.6% implied probability for a Democratic victory. Booker's long tenure since 2013, broad name recognition, and unopposed primary have further consolidated trader consensus around his position. Forecasters rate the race Solid or Safe Democratic, consistent with historical patterns where Republicans have not won a Senate general election in the state since 1972. A late development such as an unforeseen scandal, health event, or unusually strong national Republican midterm environment could narrow the margin, though current fundamentals show limited scope for an upset before the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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