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Live prediction market odds for Which party will win the House race for WA-05?. Compare prices across Kalshi and Polymarket US and Polymarket.

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Kalshi

4.9
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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket

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Which party will win the House race for WA-05?

2026-11-03

Best price · tap to trade

Michael Baumgartner (R)83¢1.20xKalshiCarmela Conroy (D)18¢5.56xKalshi

About This Market

Traders give Michael Baumgartner (R) about a 82.2% chance. Carmela Conroy (D) follows at 17.6%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 3.0 percentage points.

Traders give Michael Baumgartner (R) about a 82.2% chance. Carmela Conroy (D) follows at 17.6%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 3.0 percentage points.

Polymarket and Kalshi are tracking the House race for WA-05, set for November 3, 2026. This contest will be pivotal in determining the balance of power in Congress, influenced by local issues and national political trends leading up to the election.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

3 platforms
OutcomeConsensus
KalshiKalshi
Polymarket USPolymarket US
PolymarketPolymarket
Best price
MB
Michael Baumgartner (R)ARB
82%
Kalshi83¢
Polymarket US84¢
Polymarket81¢
Kalshi1.20x83¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
82.5%82¢83¢17¢18¢
Polymarket USPolymarket US
83.5%83¢84¢16¢17¢
PolymarketPolymarket
80.5%80¢81¢19¢20¢
CC
Carmela Conroy (D)
18%
Kalshi18¢
—
Polymarket18¢
Kalshi5.56x18¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
17.0%17¢18¢82¢83¢
PolymarketPolymarket
18.3%18¢18¢82¢82¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarket

Best price among US-regulated venues.

Candidate Spotlight

About Michael Baumgartner (R)

Michael Baumgartner is the U.S. Representative for Washington's 5th congressional district, serving since 2025. He previously served as Spokane County Treasurer from 2019 to 2025 and as a member of the Washington State Senate from 2011 to 2019. Baumgartner's extensive experience in public service and his leadership roles in state and local government make him a significant figure in Washington politics.

About Carmela Conroy (D)

Carmela Conroy is a candidate for U.S. Representative of Washington's 5th congressional district in the 2026 general election. She served as a deputy prosecutor in Spokane County and as a U.S. Foreign Service officer with postings in Afghanistan, Japan, New Zealand, Norway, and Pakistan. Conroy's extensive experience in law and diplomacy underscores her commitment to public service and her readiness to represent Eastern Washington.

Smart Trade Router

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Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread3.0%
Platforms3
Candidates2
Leader

Michael Baumgartner (R)

82.2% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Which party will win the House race for WA-05?

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

KalshiKalshi
Primary Rule

If the House member sworn in for WA-05 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.

Edge Cases

This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.

Resolution Oracles
Kalshi Rules
Polymarket USPolymarket US
Primary Rule

This market will settle to Yes if a representative of the Republican Party wins the 2026 midterm election for the WA-05 congressional district seat. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.

Frequently Asked Questions

What factors influence the odds in the WA-05 House race?

Key factors include candidate popularity, campaign funding, and voter turnout predictions. Additionally, national political trends and local issues can sway public opinion.

How does the WA-05 House race impact national politics?

The outcome could affect the overall control of the House of Representatives. A shift in party control may influence legislative agendas and policy decisions.

When will the WA-05 House race take place?

The election for WA-05 is scheduled for November 3, 2026. This timing aligns with the general election cycle in the United States.

What does the Which party will win the House race for WA-05 prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest Which party will win the House race for WA-05 odds?

The latest available prices are Michael Baumgartner (R): 82.5¢ on Kalshi, 80.5¢ on Polymarket, 83.5¢ on Polymarket US; Carmela Conroy (D): 17.0¢ on Kalshi, 18.3¢ on Polymarket. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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