Will Trump endorse JD Vance for president before 2027?

Kalshi — primary rule

If JD Vance has announced that he will run for President of the United States in 2028 before Jan 1, 2027, including running for the nomination of any political party to contest that office, then the market resolves to Yes.

Polymarket — resolution criteria

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.