The 2028 Democratic presidential nomination remains tightly contested because no single candidate has consolidated support across the party's progressive and moderate factions following the 2024 cycle. Alexandria Ocasio-Cortez leads on name recognition among younger voters, while Gavin Newsom and Jon Ossoff draw backing for executive and Senate experience that could appeal in swing states. Traders price in uncertainty around future polling, 2026 midterm results, and potential endorsements or primary debates that could shift momentum. Historical patterns show open nomination fields often narrow only after early voting or major announcements, leaving room for late movement based on candidate positioning and party coalition dynamics.