2026 Pennsylvania · U.S. House

PA-07 House race odds

As of Oct 3, 2026, prediction markets give Democrat Bob Brooks a 85% chance of winning the 2026 race for PA-07 over Republican Ryan Mackenzie (Kalshi 85%, Polymarket 86%).

Updated · prices refresh every 10 minutes

Bob Brooks (D)85%
Ryan Mackenzie (R) 15%
Market rating
Likely D
Kalshi (D / R)
84.5% / 15.5%
Polymarket (D / R)
85.6% / 14.4%
Gap between exchanges
1.1 pts
Election Day
Nov 3, 2026 (32 days)

Price history

Democratic odds rose 10.7 points over the past 3 months, from 74% to 85%.

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
Bob Brooks (D)84.5%$229K
Ryan Mackenzie (R)15.5%$97K

Polymarket open market ↗

OutcomeChanceVolume
Bob Brooks (D)85.6%$25K
Ryan Mackenzie (R)14.4%$9K

Questions about this race

Who is favored to win the 2026 PA-07 House race?

As of Oct 3, 2026, prediction markets give Democrat Bob Brooks a 85% chance of winning the 2026 race for PA-07 over Republican Ryan Mackenzie (Kalshi 85%, Polymarket 86%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 85%, Republicans 16%. Polymarket: Democrats 86%, Republicans 14%. The two exchanges differ by 1.1 points.

How have the odds moved this week?

Democratic odds have risen 1.7 points since Sep 26, 2026.

When is the 2026 election?

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

Other Pennsylvania races in 2026

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Data

Cite as: Parlay the People, “2026 PA-07 House race,” https://parlaythepeople.com/2026/house/pa-7/, accessed Oct 3, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.