This was unexpected.
The race for the 2028 Democratic presidential nomination is still in its early stages, but several potential candidates are already drawing significant attention from political observers, polling organizations, and prediction markets.
While no major Democrat has officially announced a campaign for the White House, new data suggests the field remains highly competitive. Recent activity on political prediction markets shows Representative Alexandria Ocasio-Cortez of New York and Senator Jon Ossoff of Georgia gaining ground on California Governor Gavin Newsom, who has long been viewed as one of the leading potential contenders.
At the same time, traditional opinion polls continue to paint a different picture, with former Vice President Kamala Harris maintaining an early advantage among Democratic voters.
The differing results highlight just how unpredictable the 2028 presidential race remains.
Prediction Markets Show Changing Momentum
Political prediction markets have become an increasingly popular way to track expectations for future elections. Unlike traditional polls that survey voters, these platforms allow participants to buy and sell contracts based on the likelihood of political outcomes.
As new information becomes available—including polling, fundraising, campaign appearances, endorsements, and breaking news—the market adjusts in real time.
According to the latest figures from Polymarket, Gavin Newsom remains the leading Democratic contender, but his position has weakened over the past month.
His estimated probability of winning the Democratic nomination fell from 25% in early June to 18%.
Meanwhile, Alexandria Ocasio-Cortez experienced one of the largest increases, rising from 9% to 15% during the same period.
Jon Ossoff also posted significant gains. His estimated chances climbed from less than 6% to 14%, making him one of the fastest-rising names in the market.
Former Vice President Kamala Harris remained relatively steady with an estimated 8% chance of securing the nomination.
Another Prediction Market Shows Similar Results
Another major prediction platform, Kalshi, reflects many of the same trends.
Ocasio-Cortez’s estimated chances increased from 10% to 16%, while Ossoff climbed from 9% to 14%.
Newsom continued to lead the market overall, with probabilities generally ranging between 21% and 22%.
Although these markets provide valuable insight into trader expectations, analysts caution that prediction markets measure sentiment rather than voter intent. Market prices can change quickly as political events unfold and should not be viewed as election forecasts.
National Polls Tell a Different Story
While prediction markets show increasing enthusiasm for several emerging candidates, recent national polling continues to favor Kamala Harris.
A FocalData survey of 764 registered voters, conducted from June 26 through June 30, placed Harris comfortably ahead of the potential Democratic field.
The survey found:
- Kamala Harris: 33%
- Gavin Newsom: 15%
- Alexandria Ocasio-Cortez: 9%
- Pete Buttigieg: 8%
- Josh Shapiro: 7%
- Mark Kelly: 5%
- JB Pritzker: 3%
- Jon Ossoff: 2%
- Andy Beshear: 2%
A separate national survey conducted by McLaughlin & Associates between June 17 and June 23 among 1,000 general election voters also showed Harris leading the field.
That poll reported:
- Kamala Harris: 26%
- Gavin Newsom: 16%
- Alexandria Ocasio-Cortez: 9%
- Pete Buttigieg: 8%
Other potential contenders—including JB Pritzker, Cory Booker, Josh Shapiro, Mark Kelly, Wes Moore, and Gretchen Whitmer—received single-digit support.
Earlier polling released by Harvard/Harris in April showed Harris receiving 50% support among Democratic voters in a hypothetical primary, well ahead of Newsom at 22%.
Why Prediction Markets and Polls Often Differ
Prediction markets and opinion polls measure two different things.
Polls ask voters who they currently support, providing a snapshot of public opinion at a specific moment.
Prediction markets, on the other hand, reflect what traders believe is most likely to happen over time. Those expectations can change rapidly as candidates raise money, gain endorsements, perform well in interviews, or respond to major political developments.
For that reason, analysts often view prediction markets and polling as complementary tools rather than competing measures.
Potential Candidates Continue to Keep Their Options Open
Most Democrats frequently mentioned as possible 2028 presidential candidates have not officially entered the race.
Kamala Harris has acknowledged that another White House campaign remains a possibility but has stopped short of announcing a decision.
Gavin Newsom has previously said that while he is not actively planning a campaign, he could envision a future presidential run.
Alexandria Ocasio-Cortez has largely avoided discussing presidential ambitions, instead emphasizing that her focus remains on advancing policy priorities such as healthcare, workers’ rights, and economic issues.
Jon Ossoff has repeatedly stated that he does not plan to seek the presidency in 2028, explaining that his priority remains winning reelection to the U.S. Senate in Georgia.
Michigan Governor Gretchen Whitmer has also said she does not intend to run for president in 2028.
The 2028 Democratic Race Is Still Wide Open
With no official candidates declared and more than two years remaining before the first presidential primaries are expected to begin, the Democratic nomination contest remains highly fluid.
Prediction markets currently suggest Alexandria Ocasio-Cortez and Jon Ossoff are gaining momentum, while Gavin Newsom continues to hold a narrow lead among traders.
However, national polls continue to show Kamala Harris as the early favorite among Democratic voters.
As the political landscape evolves through the 2026 midterm elections and beyond, fundraising, endorsements, policy positions, debates, and campaign announcements will likely reshape the race many times before Americans cast their first primary ballots.
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