Secretary of State Marco Rubio has repeatedly stated he has no plans to seek the 2028 Republican presidential nomination and would support Vice President JD Vance if the latter runs, aligning with private signals from President Trump favoring Vance as his successor. With the 2028 primary process still years away and no formal candidacies declared, Rubio remains focused on his current roles rather than mounting a challenge. Recent straw polls show Rubio gaining ground in some surveys, yet party infrastructure, including groups like Turning Point USA, continues to consolidate behind Vance. Trader consensus at 98.5% for "No" reflects these structural and personal barriers. A sudden Vance scandal, abrupt Trump endorsement shift, or Rubio reversal could theoretically alter dynamics before October 31, though such events remain remote given current positioning.