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PolymarketCloses November 4, 2026

New Jersey Senate Election Winner

Cory Booker (D) leads at 97% (about 10 in ten) on Polymarket, as of Oct 20, 07:29 UTC. It's down 0.7 points in the last 24 hours.

Cory Booker (D) 97% ▼ 0.7 pts · 24h

The odds

as of Oct 20, 07:29 UTC
  • Cory Booker (D) 97% −0.7
  • Justin Murphy (R) 3.3% +0.6
Traded today$3K
Traded in all$26K
Favourite, 7 daysunch

Cory Booker (D), the last 7 days

Polymarket price
25%50%75%Oct 12Oct 2097%

Oct 13: 97% · Oct 14: 97% · Oct 15: 97% · Oct 16: 97% · Oct 17: 97% · Oct 18: 97% · Oct 19: 97% · Oct 20: 97%

The same question on Kalshi

Polymarket97%Cory Booker (D)
1 pt gap
Kalshi96%Cory Booker →

Two venues, two sets of traders, sometimes two slightly different rules — read both before comparing. Kalshi's number is as of Oct 20, 07:29 UTC.

How it resolves

Polymarket's rule, word for word
This market will resolve according to the winner of the 2026 midterm New Jersey 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.
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