The wide-open 2028 Democratic presidential nomination field, following the party's 2024 general election loss, has produced closely matched trader odds among several contenders with no candidates formally declared. Alexandria Ocasio-Cortez and Jon Ossoff hold slight leads in market pricing due to strong progressive and Senate positioning, respectively, while Gavin Newsom's term-limited status as California governor and active early-state outreach have kept him competitive. Polling averages continue to favor Kamala Harris, creating a noted divergence with prediction markets that reflects traders' emphasis on electability factors and base mobilization potential. The upcoming 2026 midterms represent the next major catalyst, as fundraising, endorsements, and candidate signaling could begin to separate the field ahead of any formal primary timeline.
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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