Compare Republican Presidential Nominee 2028 prediction market odds side by side across Polymarket, Kalshi. Platforms show similar odds, with an average spread of just 0.7pp. Close agreement often signals strong market consensus. With $3.92M in combined trading volume across 35 outcomes, this is one of the most actively traded cross-platform prediction markets.
Tucker CarlsonCost: 98¢ per pair → pays $1 at resolution. Gross spread 2.4pp before fees.
View all arbs| Outcome | Spread | ||
|---|---|---|---|
![]() J.D. Vance | 39%— | 38%±0 | 1.3pp spread |
![]() Marco Rubio | 27%+2.4 |
| 1.5pp spread |
![]() Tucker Carlson | 4%— | 6%-1.0 | 2.4pp spread |
![]() Ron DeSantis | 3%±0 | 5%±0 | 2.0pp spread |
D Donald J. Trump Jr. | 2%±0 | 4%±0 | 2.2pp spread |
![]() Thomas Massie | 2%— | 3%+1.0 | 1.3pp spread |
![]() Donald Trump Jr. | 1%— | 3%±0 | 1.7pp spread |
![]() Vivek Ramaswamy | 1%±0 | 2%±0 | 0.5pp spread |
![]() Glenn Youngkin | 1%— | 2%±0 | 0.7pp spread |
![]() Ted Cruz | 1%— | 2%±0 | 0.9pp spread |
![]() Nikki Haley | 1%— | 2%±0 | 0.9pp spread |
![]() Brian Kemp | 1%±0 | 2%±0 | 0.9pp spread |
![]() Tulsi Gabbard | 1%±0 | 2%±0 | 1.1pp spread |
![]() Robert F. Kennedy Jr. | 1%±0 | 2%±0 | 1.3pp spread |
![]() Josh Hawley | 1%— | 2%±0 | 1.3pp spread |
![]() Marjorie Taylor Greene | 1%— | 2%±0 | 1.3pp spread |
![]() Ivanka Trump | 1%±0 | - | - |
![]() Rand Paul | 1%— | 1%— | 0.3pp spread |
![]() Matt Gaetz | 1%— | 1%±0 | 0.1pp spread |
![]() Elon Musk | 1%±0 | 1%±0 | 0.1pp spread |
![]() Katie Britt | 1%— | 1%±0 | 0.1pp spread |
N Nicki Minaj | - | 1%±0 | - |
T Tom Cotton | - | 1%±0 | - |
![]() Greg Abbott | 1%— | 1%±0 | 0.1pp spread |
![]() Tom Brady | 1%— | - | - |
![]() John Thune | 1%— | 1%±0 | 0.4pp spread |
![]() Sarah Huckabee Sanders | 1%±0 | 1%±0 | 0.4pp spread |
![]() Elise Stefanik | 1%— | 1%±0 | 0.4pp spread |
![]() Steve Bannon | 1%— | 1%±0 | 0.4pp spread |
![]() Kristi Noem | 1%— | 1%±0 | 0.4pp spread |
![]() Erika Kirk | 1%±0 | 1%±0 | 0.5pp spread |
![]() Byron Donalds | 1%— | 1%±0 | 0.5pp spread |
![]() Mike Pence | 1%— | 1%±0 | 0.5pp spread |
![]() Kim Kardashian | 1%— | - | - |
![]() Eric Trump | 1%— | - | - |