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Live prediction market odds for TX-21 House Election Winner. Compare prices across Kalshi and Polymarket.

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Claim offerLegal in USAVerified Sep 14, 2026

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TX-21 House Election Winner

2026-11-03

Best price · tap to trade

Mark Teixeira (R)95¢1.05xKalshiKristin Hook (D)8¢12.50xKalshi

About This Market

Traders give Mark Teixeira (R) about a 92.7% chance. Kristin Hook (D) follows at 6.0%. Compare prices from Kalshi and Polymarket. The largest cross-platform price difference is 1.0 percentage points.

Traders give Mark Teixeira (R) about a 92.7% chance. Kristin Hook (D) follows at 6.0%. Compare prices from Kalshi and Polymarket. The largest cross-platform price difference is 1.0 percentage points.

Polymarket and Kalshi are tracking the winner of the TX-21 House Election set for November 3, 2026. This election is crucial as it could influence the balance of power in Congress and reflect voter sentiment on key issues in Texas.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

2 platforms
OutcomeConsensus
KalshiKalshi
PolymarketPolymarket
Best price
MT
Mark Teixeira (R)
93%
Kalshi95¢
Polymarket94¢
Kalshi1.05x95¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
92.4%92¢95¢5¢8¢
PolymarketPolymarket
93.0%93¢94¢6¢7¢
KH
Kristin Hook (D)
6%
Kalshi8¢
Polymarket6¢
Kalshi11.90x8¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
6.5%5¢8¢92¢95¢
PolymarketPolymarket
5.5%5¢6¢94¢95¢
KalshiKalshiPolymarketPolymarket

Best price among US-regulated venues.

Candidate Spotlight

About Mark Teixeira (R)

Mark Teixeira is a Republican nominee for Texas's 21st congressional district in the 2026 election. He played 14 seasons in Major League Baseball, earning three All-Star selections and winning the 2009 World Series with the New York Yankees. Teixeira has been involved in investing in small businesses, startups, and real estate since retiring from baseball.

About Kristin Hook (D)

Kristin Hook is a candidate for the U.S. House of Representatives in Texas's 21st Congressional District for the 2026 general election. She has served as a biological scientist at the U.S. Government Accountability Office and as an AAAS Science & Technology Policy Fellow at the National Institutes of Health. Her background in science policy and federal service underscores her commitment to informed decision-making in public policy.

Smart Trade Router

$
¢

Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread1.0%
Platforms2
Candidates2
Leader

Mark Teixeira (R)

92.7% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: TX-21 House Election Winner

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

KalshiKalshi
Primary Rule

If the House member sworn in for TX-21 for the term beginning in 2027 is a member of the Republican 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

Frequently Asked Questions

What factors could influence the TX-21 House Election outcome?

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

How does the TX-21 district historically vote?

TX-21 has historically leaned Republican, but demographic shifts and recent elections show potential for competitive races. Changes in voter registration and turnout can significantly impact results.

What are the implications of the TX-21 election for Congress?

Winning the TX-21 seat could affect party control in the House, influencing legislative agendas. A shift in this district may also signal broader trends in Texas politics.

What does the TX-21 House Election Winner prediction market track?

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

What are the latest TX-21 House Election Winner odds?

The latest available prices are Mark Teixeira (R): 92.4¢ on Kalshi, 93.0¢ on Polymarket; Kristin Hook (D): 6.5¢ on Kalshi, 5.5¢ on Polymarket. 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

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Final odds

Prediction Market Track Record

Who will be the Republican nominee for TX-21?WONPre-event: 99%

Historical Track Record

Scroll to view past markets

Who will be the Republican nominee for TX-21?

Resolved

2026-05-01

WONMark Teixeira (R)
Pre-event: 99%