Traders see a fragmented field for the 2028 Democratic presidential nomination, with no candidate consolidating broad support nearly two years before the primaries. Alexandria Ocasio-Cortez leads prediction markets on progressive momentum and early-state polling strength, while Jon Ossoff benefits from fundraising visibility and general-election matchup appeal despite public statements ruling out a run. Gavin Newsom draws from his California record and national profile but faces competition from Kamala Harris, whose polling leads in some surveys reflect name recognition offset by recent electoral results. The close spread among the top tier stems from an open contest with shifting voter preferences across ideological wings, limited candidate commitments, and uncertainty over how early positioning, endorsements, and primary-state performances will reorder the field before formal announcements.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedKamala Harris expands book tour signaling 2028 presidential campaign
Kamala Harris rises to 10%2%
In late 2025 and early 2026, Kamala Harris expanded her book tour promoting "107 Days," signaling preparation for a 2028 presidential campaign and influencing her market price rise from 8% to 10%.
Kamala Harris remains undecided on 2028 presidential run while campaigning for 2026 midterms
Kamala Harris dips to 8%1%
Kamala Harris publicly stated she has not decided whether to seek the 2028 Democratic presidential nomination and is focusing on the 2026 midterm elections, which contributed to a stabilization and slight decline in her market price.




















































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