SimpleFunctions
Winner-take-all answer·2 source contracts·Polymarket 2·refreshed just now·Closes Nov 3, 2026 · 144d

California Governor Election Winner

Leader sits at 88% across 2 bound outcomes, runner-up at 8%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

88%

Xavier Becerra

runner-up 8¢leader 88¢

Outcomes

2

winner-take-all

Runner-up

Steve Hilton

Spread

80pp

dominant leader

24h volume

$45K

liquid

Closes

Nov 3, 2026

144 days

Venue

Polymarket

2 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayXavier Becerra: 88% (30 days, 27 points)Xavier Becerra: 88% on 2026-06-10Steve Hilton: 8% (30 days, 30 points)Steve Hilton: 8% on 2026-06-10
Xavier Becerra88¢Steve Hilton8¢
Top 2 candidates by current price · 30d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

This probability represents the market-implied chance that Tom Steyer wins the 2026 California gubernatorial election, currently priced at 43 cents on prediction markets. The relatively modest odds reflect uncertainty about a competitive race with multiple candidates. Market participants appear to be pricing in both Steyer's name recognition and fundraising capacity against challengers like Katie Porter and others, while accounting for unpredictability inherent in statewide elections. The upcoming primary election results and campaign performance metrics will be the main drivers of how this probability shifts. Significant shifts would likely follow major campaign events, debate performances, polling data releases, or endorsement announcements that clarify the race dynamics and winnow the field of viable candidates.

  • Tom Steyer is priced highest among all candidates at 43¢, but Katie Porter shows the largest 24-hour trading volume ($25,362), suggesting active market debate about competitive positioning
  • The aggregated 16% average across Polymarket contracts indicates substantial probability mass distributed among multiple candidates beyond Steyer, reflecting a fragmented race
  • No single candidate has price levels suggesting consensus frontrunner status; the top-priced candidate represents less than half of total election probability
  • Timing of California primary election results and any candidate dropouts will materially compress uncertainty and redistribute probability among remaining viable candidates
  • The 43% probability for Steyer specifically remains below typical frontrunner thresholds in most prediction markets, indicating markets view this race as genuinely competitive

What moved the line

  • Jun 6Xavier Becerra9pp7281¢ · Polymarket
  • Jun 4Xavier Becerra5pp8075¢ · Polymarket
  • Jun 7Xavier Becerra5pp8186¢ · Polymarket
  • Jun 5Xavier Becerra3pp7572¢ · Polymarket
  • Jun 6Steve Hilton3pp710¢ · Polymarket

Recently closed in election 2026

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

Lateral coverage

Thin contract — here's where the deeper coverage is.

This page aggregates 2 contracts (88% headline). At low contract count, the price reflects two participants’ opinions, not a market consensus. The links below are heavier related questions where the orderbook signal is real.

How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

Last updated on this page: just now.