2026 Oklahoma · U.S. House

OK-04 House race odds

As of Oct 2, 2026, prediction markets give Republican Tom Cole a 98% chance of winning the 2026 race for OK-04 over Democrat Mitchell Jacob (Kalshi 98%, Polymarket 97%).

Updated · prices refresh every 10 minutes

Mitchell Jacob (D)2%
Tom Cole (R) 98%
Market rating
Safe R
Kalshi (D / R)
1.7% / 98.3%
Polymarket (D / R)
3.2% / 96.8%
Gap between exchanges
1.6 pts
Election Day
Nov 3, 2026 (32 days)

Price history

Democratic odds are essentially unchanged since Oct 2, 2026.

0%25%50%75%100%Oct 2Oct 2Oct 2
KalshiPolymarketDemocratic odds, Oct 2 – Oct 2

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
Tom Cole (R)98.3%$2K
Mitchell Jacob (D)1.7%$2K

Polymarket open market ↗

OutcomeChanceVolume
Tom Cole (R)96.8%$18K
Mitchell Jacob (D)3.2%$16K

Questions about this race

Who is favored to win the 2026 OK-04 House race?

As of Oct 2, 2026, prediction markets give Republican Tom Cole a 98% chance of winning the 2026 race for OK-04 over Democrat Mitchell Jacob (Kalshi 98%, Polymarket 97%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 2%, Republicans 98%. Polymarket: Democrats 3%, Republicans 97%. The two exchanges differ by 1.6 points.

How have the odds moved this week?

Democratic odds are essentially unchanged since Oct 2, 2026.

When is the 2026 election?

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

Other Oklahoma races in 2026

Closest House races in 2026

Data

Cite as: Parlay the People, “2026 OK-04 House race,” https://parlaythepeople.com/2026/house/ok-4/, accessed Oct 2, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.