2026 Oklahoma · U.S. House

OK-01 House race odds

As of Oct 3, 2026, prediction markets give Republican Mark Tedford a 94% chance of winning the 2026 race for OK-01 over Democrat John Croisant (Kalshi 93%, Polymarket 95%).

Updated · prices refresh every 10 minutes

John Croisant (D)6%
Mark Tedford (R) 94%
Market rating
Safe R
Kalshi (D / R)
6.9% / 93.1%
Polymarket (D / R)
4.5% / 95.5%
Gap between exchanges
2.4 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
Mark Tedford92¢92¢93¢93¢▲3¢
John Croisant7¢7¢7¢10¢0¢
Volume $6KAs of Oct 3, 2026, 2:14 AM EDT
ContractPriceBidAskLast24h
Mark Tedford95¢94¢95¢95¢▲2¢
John Croisant5¢4¢5¢7¢▼1¢
Volume $36KAs of Oct 3, 2026, 2:14 AM EDT

Price history

Democratic odds fell 4.8 points over the past 3 months, from 11% to 6%.

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
Mark Tedford (R)93.1%$2K
John Croisant (D)6.9%$3K

Polymarket open market ↗

OutcomeChanceVolume
Mark Tedford (R)95.5%$20K
John Croisant (D)4.5%$16K

Questions about this race

Who is favored to win the 2026 OK-01 House race?

As of Oct 3, 2026, prediction markets give Republican Mark Tedford a 94% chance of winning the 2026 race for OK-01 over Democrat John Croisant (Kalshi 93%, Polymarket 95%).

What do Kalshi and Polymarket say?

Kalshi: Democrats 7%, Republicans 93%. Polymarket: Democrats 5%, Republicans 95%. The two exchanges differ by 2.4 points.

How have the odds moved this week?

Democratic odds have fallen 2.0 points since Sep 26, 2026.

When is the 2026 election?

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

Other Oklahoma races in 2026

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Data

Cite as: Parlay the People, “2026 OK-01 House race,” https://parlaythepeople.com/2026/house/ok-1/, accessed Oct 3, 2026. Prediction-market prices are crowd forecasts, not certainties, and nothing here is betting or investment advice.