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Updated October 5, 2026 · Category: Politics & Elections · Market end date: January 23, 2028
As of October 5, 2026 at 12:50 UTC, the leading outcome is Kamala Harris at 28%, followed by Jon Ossoff at 19.5%, Cory Booker at 14.1%. The market has $20.4K in total volume and $1.1K in the last 24 hours.
| Outcome | Probability | 24h change | Volume |
|---|---|---|---|
| Kamala Harris | 28% | -0.5 pts | $8.6K |
| Jon Ossoff | 19.5% | — | $1.5K |
| Cory Booker | 14.1% | -0.9 pts | $752 |
| Raphael Warnock | 14% | -0.5 pts | $729 |
| Gavin Newsom | 14% | +2.8 pts | $3.8K |
| Alexandria Ocasio-Cortez | 5.2% | — | $394 |
| Wes Moore | 3.6% | — | $275 |
| Josh Shapiro | 3.6% | +0.1 pts | $251 |
| Mark Kelly | 3.3% | -0.9 pts | $753 |
| J.B. Pritzker | 3.2% | -0.2 pts | $396 |
| Rahm Emanuel | 2.7% | +0.1 pts | $281 |
| Bernie Sanders | 1.8% | -0.8 pts | $363 |
| Michelle Obama | 1.6% | — | $266 |
| James Talarico | 1.5% | — | $306 |
| Jon Stewart | 0.6% | — | $427 |
5 lower-priced outcomes are not shown; the full list is in the JSON data.
Total volume $20.4K · 24h volume $1.1K · Liquidity $288.7K. Prices are Polymarket YES-share prices read as probabilities; they are not executable quotes.
■ Kamala Harris ■ Jon Ossoff ■ Cory Booker · 30-day price history (12-hour points)
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South Carolina is expected to hold its Democratic presidential primary for the 2028 presidential election on January 22, 2028.
This market will resolve to the candidate who wins the most votes in the South Carolina Democratic primary, caucus, or other official process by which the public directs the selection of delegates for the 2028 Democratic Convention.
If the relevant delegate selection process is a caucus or other multi-round process, the relevant vote count will be the final round vote count.
The named candidates will be primarily ranked by the number of valid votes received in the specified election. If two or more candidates are tied on valid votes, ties will be broken by alphabetical order of the candidates' last names. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking.
If no 2028 South Carolina primary, caucus, or comparable process takes place, or if the results are not definitively known by August 1, 2028, 11:59 PM ET, this market will resolve to “Other.”
The resolution source for this market will be the first official announcement of the complete results from the South Carolina Democratic Party; however, an overwhelming consensus of credible reporting may suffice.
Summary of the market's published rules. The rules on Polymarket control settlement; check them there before relying on any outcome: open this market on Polymarket.
More odds by topic: 2028 Presidential Election odds · Politics odds
As of October 5, 2026 at 12:50 UTC, the leading outcome is Kamala Harris at 28%, followed by Jon Ossoff at 19.5%, Cory Booker at 14.1%. The market has $20.4K in total volume and $1.1K in the last 24 hours.
The event's listed end date is January 23, 2028. Each outcome settles under the market's written rules, summarized on this page, which can differ from the end-date field.
They are the displayed prices of each outcome's YES share on Polymarket. A price of 60¢ implies roughly a 60% chance. This page refreshes the numbers twice a day, so they are not live quotes.
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