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Election Forecast Tracker

Forecasts of the 2026 midterm elections from polls, prediction markets, academic models and the PLSC 2219 class model, updated daily through Election Day 2026.

By Kevin DeLuca, Department of Political Science, Yale University

Election day 3 Nov 2026 — days out Snapshot 2026-11-10 660 dates on the chart
This tracker is retired. Its final update was on November 3, 2026, and the numbers on these pages are from that snapshot. For the PLSC 2219 forecast contest, see the forecast gallery.

New Jersey Senate race, 2026

Forecasts for this seat as of 2026-11-10. Partisan lean: D+4.3. Margins are Democratic minus Republican.

Cory Booker (D) Justin Murphy (R)
SourceMarginP(D wins)Sources
Markets—82%3
AcademicD+20.5100%6
Class modelD+22.897%1

“Sources” counts the forecasts in each average. “Not shown” counts forecasts that are in the average but withheld individually.

Margin over time

The last four months.

0D+252026-07-132026-11-10
Academic Class model

This seat, previously

The last five regular elections for this seat (2020, 2014 and earlier). Results from the MIT Election Data and Science Lab.

YearMarginWinner
2020D+16.6Cory Booker
2014D+13.8Cory A. Booker
2008D+14.4Frank R. Lautenberg
2002D+10.1Frank R. Lautenberg
1996D+10.6Robert G. Torricelli

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