Primary elections in Texas are scheduled to be held on March 3, 2026, with a runoff on May 26 if no candidate receives a majority. This market will resolve according to the candidate Donald Trump first announces that he endorses for the Texas Republican Senate Primary election by March 2, 2026, 11:59 PM ET. If Donald Trump endorses someone not listed in this market or does not announce an endorsement by March 2, 2026, 11:59 PM ET, this market will resolve to "No endorsement / Other". The resolution source for this market will be official information from Donald Trump or one of his representatives, or a consensus of credible reporting of Donald Trump's endorsement.