2026 Washington · U.S. House

WA-05 House race odds

As of Oct 3, 2026, prediction markets give Republican Michael Baumgartner a 82% chance of winning the 2026 race for WA-05 over Democrat Carmela Conroy (Kalshi 83%, Polymarket 82%).

Updated · prices refresh every 10 minutes

Carmela Conroy (D)18%
Michael Baumgartner (R) 82%
Market rating
Likely R
Kalshi (D / R)
17.0% / 83.0%
Polymarket (D / R)
18.1% / 81.9%
Gap between exchanges
1.1 pts
Election Day
Nov 3, 2026 (32 days)

Share prices

Each contract pays $1 if that outcome happens. The price is what traders are paying now, so 60¢ means roughly a 60% chance. Bid is the best offer to buy, ask the best offer to sell.

ContractPriceBidAskLast24h
Michael Baumgartner83¢82¢84¢84¢0¢
Carmela Conroy17¢16¢18¢18¢▲1¢
Volume $51KAs of Oct 3, 2026, 2:14 AM EDT
ContractPriceBidAskLast24h
Michael Baumgartner81¢80¢81¢81¢—
Carmela Conroy18¢18¢18¢18¢—
Volume $58KAs of Oct 3, 2026, 2:14 AM EDT

Price history

Democratic odds fell 5.6 points over the past 3 months, from 23% to 18%.

0%25%50%75%100%Jul 5Aug 19Oct 3
KalshiPolymarketDemocratic odds, Jul 5 – Oct 3

Every candidate, by exchange

Each exchange's prices rescaled to add up to 100%. Kalshi prices are the bid–ask midpoint; Polymarket prices are its displayed price.

Kalshi open market ↗

OutcomeChanceVolume
Michael Baumgartner (R)83.0%$22K
Carmela Conroy (D)17.0%$30K

Polymarket open market ↗

OutcomeChanceVolume
Michael Baumgartner (R)81.9%$23K
Carmela Conroy (D)18.1%$35K

Questions about this race

Who is favored to win the 2026 WA-05 House race?

As of Oct 3, 2026, prediction markets give Republican Michael Baumgartner a 82% chance of winning the 2026 race for WA-05 over Democrat Carmela Conroy (Kalshi 83%, Polymarket 82%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 17%, Republicans 83%. Polymarket: Democrats 18%, Republicans 82%. The two exchanges differ by 1.1 points.

How have the odds moved this week?

Democratic odds are essentially unchanged since Sep 26, 2026.

When is the 2026 election?

Election Day is Nov 3, 2026, 32 days from now.

Other Washington races in 2026

Closest House races in 2026

Data

Cite as: Parlay the People, “2026 WA-05 House race,” https://parlaythepeople.com/2026/house/wa-5/, accessed Oct 3, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.