Compare Democratic Presidential Nominee 2028 prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.6pp. Close agreement often signals strong market consensus. With $10.66M in combined trading volume across 47 outcomes, this is one of the most actively traded cross-platform prediction markets.
Gavin NewsomCost: 95¢ per pair → pays $1 at resolution. Gross spread 4.6pp before fees.
View all arbs| Outcome | Spread | ||
|---|---|---|---|
![]() Gavin Newsom | 24%±0 | 29%-1.0 | 4.6pp spread |
![]() Alexandria Ocasio-Cortez | 8%±0 |
9%±0 |
| 0.5pp spread |
![]() Kamala Harris | 5%±0 | 6%-1.0 | 0.6pp spread |
![]() Jon Ossoff | 5%— | 6%±0 | 0.6pp spread |
![]() Josh Shapiro | 4%— | 7%±0 | 3.0pp spread |
![]() Pete Buttigieg | 4%±0 | 4%±0 | 0.4pp spread |
![]() J.B. Pritzker | 2%— | 5%±0 | 3.0pp spread |
![]() James Talarico | 3%±0 | 4%±0 | 1.2pp spread |
![]() Mark Kelly | 3%±0 | 4%±0 | 1.3pp spread |
![]() Andy Beshear | 2%±0 | 4%±0 | 1.7pp spread |
![]() Jon Stewart | 2%±0 | 3%+1.0 | 0.8pp spread |
![]() Ruben Gallego | 2%— | 3%±0 | 1.2pp spread |
![]() Gretchen Whitmer | 2%— | 3%±0 | 1.4pp spread |
![]() Wes Moore | 2%±0 | 3%-1.0 | 1.5pp spread |
![]() Rahm Emanuel | 1%±0 | 3%+1.0 | 1.8pp spread |
![]() Ro Khanna | 1%— | 2%-1.0 | 0.8pp spread |
![]() Cory Booker | 1%±0 | 2%±0 | 0.9pp spread |
![]() Chris Murphy | 1%— | 2%±0 | 0.9pp spread |
![]() Michelle Obama | 1%— | 1%±0 | 0.3pp spread |
![]() Stephen A. Smith | 1%±0 | 1%-1.0 | 0.1pp spread |
![]() Dwayne 'The Rock' Johnson | 1%±0 | 1%±0 | 0.1pp spread |
![]() Zohran Mamdani | 1%— | 1%±0 | 0.1pp spread |
![]() John Fetterman | 1%±0 | 1%±0 | 0.1pp spread |
![]() LeBron James | 1%— | 1%±0 | 0.1pp spread |
![]() Gina Raimondo | 1%— | 1%±0 | 0.1pp spread |
![]() Phil Murphy | 1%— | 1%±0 | 0.1pp spread |
J Jamie Dimon | - | 1%±0 | - |
E Elissa Slotkin | - | 1%±0 | - |
A Amy Klobuchar | - | 1%±0 | - |
![]() Liz Cheney | 1%— | 1%±0 | 0.1pp spread |
![]() Mark Cuban | 1%— | 1%±0 | 0.1pp spread |
![]() Hillary Clinton | 1%— | 1%±0 | 0.1pp spread |
![]() Roy Cooper | 1%-0.6 | 1%±0 | 0.1pp spread |
![]() Barack Obama | 1%±0 | 1%±0 | 0.1pp spread |
![]() Hunter Biden | 1%— | 1%±0 | 0.2pp spread |
![]() Jared Polis | 1%— | 1%±0 | 0.3pp spread |
![]() MrBeast | 1%— | - | - |
![]() Andrew Yang | 1%— | - | - |
![]() Chelsea Clinton | 1%— | - | - |
![]() Kim Kardashian | 1%— | - | - |
![]() Tim Walz | 1%±0 | 1%±0 | 0.4pp spread |
![]() Bernie Sanders | 1%— | 1%±0 | 0.4pp spread |
![]() Raphael Warnock | 1%— | 1%-1.0 | 0.4pp spread |
![]() Beto O’Rourke | 1%— | - | - |
![]() George Clooney | 1%— | - | - |
![]() Jasmine Crockett | 1%— | - | - |
![]() Oprah Winfrey | 1%— | - | - |