Will the Republican Party win the TX-12 House seat?

Prediction markets currently give a 83% probability that Will the Republican Party win the TX-12 House seat?. This contract trades at 83¢ on Polymarket, closing November 3, 2026. The market is pricing Republicans as heavy favorites at 83% to retain TX-12, but the extreme 888% implied yield on the "No" side signals severe mispricing or illiquidity concerns—the $100 daily volume against $20k open interest suggests thin trading that may not reflect true market consensus.

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83¢
Bid/Ask 81/84¢·Spread 3¢·Vol $0·OI $22,981.063·Closes Nov 3, 2026·195d remaining
0x96011f05cbb48f2d6e191b7e652066cc9d2a62dbb11e55ee7bd0807ac077b92b
7-day price16 snapshots · 3 regime
85¢83¢ current
Apr 982¢Apr 18

Analysis

5d ago

The market is pricing Republicans as heavy favorites at 83% to retain TX-12, but the extreme 888% implied yield on the "No" side signals severe mispricing or illiquidity concerns—the $100 daily volume against $20k open interest suggests thin trading that may not reflect true market consensus. The 37.3% annualized yield for "Yes" holders is modest for a two-year position, while the 5 Cliff Risk Index indicates meaningful uncertainty around resolution mechanics or late-campaign developments that could shift the 83-84¢ price range. With 201 days to the November 2026 election, this market appears to be pricing in a structural Republican advantage in this Texas district, but traders should be cautious given the liquidity constraints and the asymmetric yield profile suggesting potential arbitrage opportunities or data quality issues.

Resolution rules

This market will resolve according to the party of the candidate who wins the TX-12 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. ​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).

Indicators

IY (Yes) 38.3%
IY (No) 913.1%
Adj IY 457%
CRI 5
▶ Full indicator table (4)
IndicatorValue
IY (Yes)38.3%
IY (No)913.1%
Adj IY457%
CRI5

Regime

Label
neutral
Score
0.5
Spread
3¢
Computed
4/21/2026, 8:10:05 PM
Indicators computed 4/21/2026, 8:08:17 PM

Trade

View on polymarketsf trade 0x96011f05cbb48f2d6e191b7e652066cc9d2a62dbb11e55ee7bd0807ac077b92b yes 100

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