The 2028 Democratic vice presidential nominee market shows a highly fragmented field more than two years before primaries, with no single contender exceeding low double-digit implied probability. Traders spread support across progressives with national profiles, governors holding executive experience in battleground or swing states, and senators building broader coalitions. Leading names reflect differing paths to visibility through legislative records, state-level achievements, or media presence, while lower-priced options include high-name-recognition figures from outside traditional politics. Any consolidation will hinge on the identity of the eventual presidential nominee, 2026 midterm outcomes, early polling among Democratic primary voters, and potential endorsements or campaign alignments within the resolution window.