This market will resolve to "Yes" if Donald Trump publicly endorses, or announces that he will vote for, JD Vance for the 2028 United States presidential election or the Republican primary for that election, by December 31, 2026, 11:59 PM ET. Otherwise this market will resolve to "No".

If Donald Trump announces that he will vote for another candidate or endorses another candidate for the 2028 United States presidential election or the Republican primary for that election, this market will immediately resolve to "No".

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 Trump's endorsement.