California Governor 2026

Gavin Newsom is termed out in January 2027, and the race to replace him is the highest-volume off-presidential-year governor's race on prediction markets. Polymarket carries the liquid general-election book; Kalshi lists a parallel Categorical plus separate primary, primary-first-place, and potential-matchup events. The June 2 top-two primary was the first hard gate—under California's jungle-primary structure, any two candidates (regardless of party) advance to November.

Primary: Tuesday, June 2, 2026 (settled; November finalists set).
General election: Tuesday, November 3, 2026.

Settlement sources: California Secretary of State—2026 election results · AP race call.

Copy this workspace to your own account to keep it tracking as the November field locks in.

Categorical pies on the November 3 winner across Polymarket, Kalshi, and Manifold, plus the Polymarket history chart into election day. Pie slices show every candidate in the book—no top-N cap—so the long tail is visible.

• General election is the live gate. The June 2 top-two primary has resolved and the two November finalists are set; this workspace now tracks only the general. Polymarket carries the deepest general-election book and moves first on national endorsements, Kalshi is the cleaner U.S.-retail consensus, and the spread between them on the eventual winner is the canonical cross-exchange read through November 3.
• Jungle-primary matchup. California's top-two structure can produce a Dem-vs-Dem general in a deep-bench blue state; whether Republicans consolidated behind a single candidate shaped the eventual head-to-head.
• Manifold mirror. Lower-volume Manifold tends to lag the Kalshi/Polymarket consensus by 24–48 hours; large divergences usually mean a few users moving a thin book rather than fresh information.
• Late-cycle cross-currents. A statewide redistricting referendum, Newsom's 2028 positioning, and down-ballot races all feed general-election volatility into November.