The fragmented Democratic presidential field for 2028 keeps the vice-presidential nominee market wide open, with no candidate exceeding 22 percent in trader consensus amid dozens of options. Governors like Jared Polis benefit from executive experience and moderate appeal in Western states, while figures such as Alexandria Ocasio-Cortez draw from progressive bases and Gretchen Whitmer from battleground demographics. Recent polling and candidate travel to the South highlight efforts to court key voting blocs ahead of primaries, though no formal declarations have occurred. Ticket-balancing dynamics—ideology, geography, Senate experience, or identity—will likely drive future shifts once a presidential frontrunner emerges, with midterms and fundraising providing early separation signals.