The absence of a clear 2028 Democratic presidential frontrunner keeps the vice-presidential nomination market highly fragmented, with traders distributing probability across more than 40 names. Leading options reflect distinct paths to prominence: Alexandria Ocasio-Cortez draws support from progressive activist networks and national media reach, while Gretchen Whitmer benefits from proven performance in a key swing state and executive experience. Other contenders such as Andy Beshear and Pete Buttigieg highlight regional balance, policy expertise, or coalition-building records. Consolidation around any single name would likely require stronger signals from midterm results, primary polling trends, or early endorsements that establish ticket-balancing priorities like geography, ideology, or demographic appeal.