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Live prediction market odds for CO-03 House winner?. Compare prices across Kalshi and Polymarket US and Polymarket.

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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket

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CO-03 House winner?

2026-11-04

Best price · tap to trade

Jeff Hurd (R)65¢1.54xKalshiDwayne Romero (D)37¢2.70xPolymarket US

About This Market

Traders give Jeff Hurd (R) about a 62.8% chance. Dwayne Romero (D) follows at 36.7%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 2.0 percentage points.

Traders give Jeff Hurd (R) about a 62.8% chance. Dwayne Romero (D) follows at 36.7%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 2.0 percentage points.

Polymarket and Kalshi are tracking the winner of the CO-03 House race set for November 4, 2026. This election is pivotal as it could influence the balance of power in Congress and reflect voter sentiment on key issues leading up to the election.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

3 platforms
OutcomeConsensus
KalshiKalshi
Polymarket USPolymarket US
PolymarketPolymarket
Best price
JH
Jeff Hurd (R)
63%
Kalshi65¢
Polymarket US65¢
Polymarket63¢
Kalshi1.54x65¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
62.0%62¢65¢35¢38¢
Polymarket USPolymarket US
64.0%64¢65¢35¢36¢
PolymarketPolymarket
62.5%62¢63¢37¢38¢
DR
Dwayne Romero (D)
37%
Kalshi38¢
Polymarket US37¢
Polymarket38¢
Polymarket US2.70x37¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
36.0%36¢38¢62¢64¢
Polymarket USPolymarket US
36.5%36¢37¢63¢64¢
PolymarketPolymarket
37.5%37¢38¢62¢63¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarket

Best price among US-regulated venues.

Candidate Spotlight

About Jeff Hurd (R)

Jeff Hurd is the current U.S. Representative for Colorado's 3rd Congressional District, serving as a Republican. Before his election to Congress, he was a Grand Junction attorney and first-time candidate who won the Republican nomination in 2024. His legal background and focus on rural economic issues and cost of living concerns contributed to his successful campaign.

About Dwayne Romero (D)

Dwayne Romero is a Democratic candidate for Colorado's 3rd Congressional District in the 2026 elections. He is a business owner and former Aspen city councilman with 25 years of public service. Romero's extensive experience in local governance and business positions him as a knowledgeable contender for this congressional seat.

Smart Trade Router

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Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread2.0%
Platforms3
Candidates2
Leader

Jeff Hurd (R)

62.8% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: CO-03 House winner?

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket US.

KalshiKalshi
Primary Rule

If the House member sworn in for CO-3 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.

Resolution Oracles
Kalshi Rules
Polymarket USPolymarket US
Primary Rule

This market will settle to Yes if the Democratic Party nominee wins the 2026 midterm election for the CO-03 congressional district seat. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.

Frequently Asked Questions

What factors could influence the CO-03 House race outcome?

Factors include candidate popularity, campaign funding, and voter turnout. Additionally, national political trends and local issues will play a significant role.

How do prediction markets work for elections?

Prediction markets allow participants to buy and sell shares based on the likelihood of various outcomes. Prices reflect collective expectations and can change rapidly with new information.

Why is the CO-03 House race important?

The CO-03 House race is important as it may affect party control in Congress. Shifts in congressional power can impact legislation and governance at the federal level.

What does the CO-03 House winner prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest CO-03 House winner odds?

The latest available prices are Jeff Hurd (R): 62.0¢ on Kalshi, 62.5¢ on Polymarket, 64.0¢ on Polymarket US; Dwayne Romero (D): 36.0¢ on Kalshi, 37.5¢ on Polymarket, 36.5¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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Swiss initiatives: September 2026

Resolved Sep 27

Final odds

Prediction HuntPrediction.com coverage

Democrats Fall to 34% in CO-03 as Prediction Markets Reprice the RaceDemocrats slid 9 points to 34% in CO-03 prediction markets over three days. Kalshi sits at 31%, Polymarket at 38%, a 7-point platform gap.Aug 22, 2026Democratic Chances in CO-03 Drop 12 Points as Romero Faces HurdPrediction markets repriced CO-03 from 46% to 33% in three days. The R+20 district favors incumbent Republican Jeff Hurd heading into November.Aug 19, 2026Republicans at 57% to Hold CO-03 After DCCC Targets the SeatRepublican odds dropped 10 points in 72 hours. Kalshi sits at 66%, Polymarket at 48%, with the market period low hitting 54%.Aug 7, 2026CO-03 Republican Win Odds Climb to 68% With No CatalystRepublican Party shares in CO-03 rose 9 points in three days. The district has voted Republican by double digits every cycle since 2013.Jun 27, 2026