2026 Oklahoma · U.S. House

OK-05 House race odds

As of Oct 3, 2026, prediction markets give Republican Stephanie Bice a 87% chance of winning the 2026 race for OK-05 over Democrat Jena Nelson (Kalshi 87%, Polymarket 86%).

Updated · prices refresh every 10 minutes

Jena Nelson (D)13%
Stephanie Bice (R) 87%
Market rating
Likely R
Kalshi (D / R)
12.9% / 87.1%
Polymarket (D / R)
13.6% / 86.4%
Gap between exchanges
0.7 pts
Election Day
Nov 3, 2026 (32 days)

Price history

Democratic odds rose 2.7 points over the past 3 months, from 11% to 13%.

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
Stephanie Bice (R)87.1%$6K
Jena Nelson (D)12.9%$11K

Polymarket open market ↗

OutcomeChanceVolume
Stephanie Bice (R)86.4%$12K
Jena Nelson (D)13.6%$7K

Questions about this race

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

As of Oct 3, 2026, prediction markets give Republican Stephanie Bice a 87% chance of winning the 2026 race for OK-05 over Democrat Jena Nelson (Kalshi 87%, Polymarket 86%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 13%, Republicans 87%. Polymarket: Democrats 14%, Republicans 86%. The two exchanges differ by 0.7 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.

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Data

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