Will Ken Paxton win the 2026 Texas Republican Primary?

“Trump endorsed Paxton on May 19, 2026, one week before the runoff. The research notes Trump-endorsed challengers have historically won the vast majority of Texas Republican primary runoffs, and Trump maintains roughly 82% approval among Texas GOP primary voters per UH polling.. The University of Houston Hobby School poll (May 5, 2026) showed Paxton leading 48-45 among likely runoff voters with ~3pt MOE — meaning Paxton was already ahead BEFORE the Trump endorsement provided additional lift..”

“The bull case leans heavily on a single pre-endorsement poll and then assumes mechanical 'additional lift' from Trump's endorsement. That is not evidence. A 48-45 poll with ~3-point margin of error is statistically indistinguishable from tied, and without a post-endorsement poll or validated vote data, claiming the endorsement moved Paxton ahead is speculative rather than demonstrated.. Several cited statistics in the research appear fabricated, overstated, or unsupported by the linked sources. Examples: 'Trump-endorsed challengers in Texas primary runoffs won 9 of 11 contests (82%) since 2016,' 'incumbents won only 45% when Trump endorsed the challenger,' 'sitting officeholders won 78% of GOP runoffs for U.S. Senate and House seats since 2000,' and highly specific transfer/turnout claims about Wesley Hunt voters. The Texas Tribune 2018 article referenced does not plausibly establish those statewide historical rates for 2016-2026 runoff contests. Unsupported synthetic numbers should not be used to justify an 85% YES price..”