TX-18 House Election Winner: how this market works

What you need to know

This market asks a simple question: will the person who wins Texas's 18th congressional district in the 2026 midterm election be a Democrat or a Republican? TX-18 is a seat in the U.S. House of Representatives, the lower chamber of Congress. A Yes for Democrats means a Democrat wins that seat. A Yes for Republicans means a Republican wins it. The market currently prices a Democratic win at 96%, reflecting that TX-18 is a heavily Democratic district centered in Houston. The market settles based on whoever wins the TX-18 seat on Election Day, November 3, 2026. The winner's party is determined by what party they listed on the ballot, or, if that is unclear, by which party they publicly said they would caucus with in Congress. The result will be confirmed using credible news reporting first, and the official Federal Election Commission record as a backup if there is any dispute. The market closes the day after the election, on November 4, 2026. None of the provided news headlines relate directly to TX-18. The stories cover primaries in Michigan, Virginia, and Missouri. The kind of news that would matter here would be a primary result in TX-18 itself, a notable candidate entering or leaving the race, or a major shift in the national environment affecting heavily Democratic urban districts. At 96%, the market is heavily one-sided, and for good reason: TX-18 is one of the most reliably Democratic seats in Texas, anchored in a majority-Black urban Houston district with a long history of Democratic wins. The honest uncertainty here is not a genuine two-sided debate. It is simply the small chance that something unexpected happens, such as a very strong Republican wave year, a controversial Democratic candidate, or a surprise independent. Those scenarios are possible but the market currently treats them as unlikely.

The odds right now

• Democratic Party+1.8 pts (1w)96%
• Republican Party+3.5 pts (1w)4%

Price history

How this resolves

Resolves November 4, 2026

This market will resolve according to the party of the candidate who wins the TX-18 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. Read the full resolution rules on the live market page.

Related

Same markets. A fraction of the fee.

These apps all route to the same exchange order book. The difference is what each one adds on top of the exchange's own fee.

Published rates, checked July 2026. MetaMask charges a flat 4 percent per prediction trade. Jupiter adds a fee equal to the exchange's own taker fee at fill time, roughly 2 to 4 percent at typical odds. Where a market carries an exchange settlement fee, it applies everywhere, whichever app you use. Paridesk adds nothing on maker orders.

Trade this market on Paridesk: non-custodial, 0.5% fee.