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

Kalshi

Kalshi

4.9
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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket

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CT-03 House winner?

2026-11-03

Best price · tap to trade

Rosa DeLauro (D)98¢1.02xKalshiRepublican Party2¢50.00xKalshi

About This Market

Traders give Rosa DeLauro (D) about a 96.3% chance. Republican Party follows at 2.6%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 2.0 percentage points.

Traders give Rosa DeLauro (D) about a 96.3% chance. Republican Party follows at 2.6%. 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 CT-03 House winner for the upcoming 2026 elections. This race could influence party control in Congress, making it a focal point for both major parties as they strategize their campaigns.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

3 platforms
OutcomeConsensus
KalshiKalshi
Polymarket USPolymarket US
PolymarketPolymarket
Best price
RD
Rosa DeLauro (D)
96%
Kalshi98¢
Polymarket US98¢
Polymarket97¢
Kalshi1.02x98¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
96.5%94¢98¢2¢6¢
Polymarket USPolymarket US
97.0%97¢98¢2¢3¢
PolymarketPolymarket
95.5%94¢97¢3¢6¢
RP
Republican PartyARB
3%
Kalshi2¢
Polymarket US3¢
Polymarket5¢
Kalshi50.00x2¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
1.9%2¢2¢98¢98¢
Polymarket USPolymarket US
2.0%2¢3¢97¢98¢
PolymarketPolymarket
4.0%4¢5¢95¢96¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarket

Best price among US-regulated venues.

Candidate Spotlight

About Rosa DeLauro (D)

Rosa DeLauro is the U.S. Representative for Connecticut's 3rd Congressional District, serving since 1991. She chaired the House Appropriations Committee from 2021 to 2023 and is currently its Ranking Member. DeLauro is recognized for her leadership in federal spending and her advocacy for working families.

About Republican Party

Christopher Lancia is a Republican candidate for Connecticut's 3rd Congressional District in the 2026 U.S. House election. He is a law enforcement professional with a background in the U.S. Coast Guard and federal law enforcement training. Lancia's campaign focuses on issues such as Second Amendment rights, border security, and fiscal responsibility.

Smart Trade Router

$
¢

Resolution Oracles

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

Rosa DeLauro (D)

96.3% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: CT-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 CT-03 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.

Edge Cases

This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.

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 CT-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 influence the odds for the CT-03 House race?

Polling data, candidate fundraising, and local issues play significant roles in shaping the odds. Additionally, national trends and party support can impact voter sentiment leading up to the election.

How do prediction markets work for elections?

Prediction markets allow participants to buy and sell shares based on their expectations of election outcomes. Prices reflect the collective sentiment and can change rapidly as new information becomes available.

What is at stake in the CT-03 House election?

Winning the CT-03 House seat could contribute to the overall balance of power in Congress. This election is particularly important as it may affect legislative priorities and party agendas.

What does the CT-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 CT-03 House winner odds?

The latest available prices are Rosa DeLauro (D): 96.5¢ on Kalshi, 95.5¢ on Polymarket, 97.0¢ on Polymarket US; Republican Party: 1.9¢ on Kalshi, 4.0¢ on Polymarket, 2.0¢ 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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Final odds
Smart Money Positioning (24 hours)
Full Feed

Smart money is heavily buying Rosa DeLauro (D)

Smart Money Consensus$1.8K
$1.8KRosa DeLauro (D)
Smart Traders Split1
1Rosa DeLauro (D)
KalshiBuy Yes at 98¢Best price among US-regulated venues.

$10K+ lifetime-profit wallets · 24h net flow

Republican Party
No$1.8K · 1 whale

$10K+ lifetime-profit wallets · 24h net flow

Smart Money Feed
Full Feed

Live tracking of high-volume trades from historically profitable accounts.

Trader up $137K lifetime bet $1.8K on No at 95¢

9h ago
PolymarketPolymarket USWill the Republican Party win the CT-03 House seat?Trade on Polymarket US →