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Live prediction market odds for CA-45 House winner?. Compare prices across Kalshi and Polymarket.

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Kalshi / Polymarket

CA-45 House winner?

2026-11-03

About This Market

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Prediction markets on Polymarket and Kalshi are tracking the winner of the CA-45 House race in the upcoming 2026 elections. This contest is pivotal as it could influence the balance of power in Congress and reflect voter sentiment on key issues in the state.

Democratic Party leads the “CA-45 House winner” event at 87.0% implied probability, followed by Republican Party at 11.5%. A 3.0% cross-platform spread signals an active arbitrage window.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

2 platforms
DP
Democratic Party
87% Avg
Kalshi87¢
Polymarket89¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
86.5%86¢87¢13¢14¢
PolymarketPolymarket
87.5%86¢89¢11¢14¢
RP
Republican PartyARB
13% Avg
Kalshi17¢
Polymarket11¢
PlatformImplied %Yes — Bid / AskNo — Bid / Ask
KalshiKalshi
15.0%13¢17¢83¢87¢
PolymarketPolymarket
10.0%9¢11¢89¢91¢

Frequently Asked Questions

What factors influence the odds for the CA-45 House race?

Key factors include candidate popularity, campaign funding, and voter turnout. Additionally, local and national political trends can significantly impact the race.

How do prediction markets determine the winner of the CA-45 House race?

Prediction markets aggregate the opinions of participants who buy and sell shares based on their expectations of the outcome. Prices reflect the collective assessment of the likelihood of each candidate winning.

What is the significance of the CA-45 House race in the 2026 elections?

The CA-45 House race is significant as it could determine control of the House of Representatives. Outcomes in this district may also signal broader trends in voter preferences and party strength leading into future elections.

What is "CA-45 House winner?" and why does it matter?

CA-45 House winner is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Democratic Party leads at 87% implied probability, making it the market favorite. Other contenders include Republican Party at 12%.

What is moving the odds on "CA-45 House winner?"?

Democratic Party currently leads at 87% implied probability. Behind Democratic Party, Republican Party at 12% are the next closest contenders. A 3.0% spread across platforms indicated moderate disagreement on the latest developments.

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Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread3.0%
Platforms2
Candidates2
Leader

Democratic Party

87.0% avg

Market Rulebook: CA-45 House winner?

Official settlement criteria, resolution sources, and edge cases across Kalshi.

KalshiKalshi
Primary Rule

If the House member sworn in for CA-45 for the term beginning in 2027 is a member of Republican, then the market resolves to Yes.

Resolution Oracles
Kalshi Rules
Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?