Vice President J.D. Vance sits at the top of Kalshi’s 2028 presidential winner market at 19%, with Secretary of State Marco Rubio close behind at 16% and California Governor Gavin Newsom the leading Democrat at 12% — a crowded field with more than two years until Election Day.
You’re betting on who is inaugurated as U.S. President for the term that begins in 2029. Each name is its own side. After inauguration, only that person’s side gets paid. The other sides lose.
| Your bet | Chance | Wins if… | $100 bet pays |
|---|---|---|---|
| J.D. Vance | 19% | he is inaugurated as President for the term beginning in 2029 | ~$498 |
| Marco Rubio | 16% | he is inaugurated as President for the term beginning in 2029 | ~$590 |
| Gavin Newsom | 12% | he is inaugurated as President for the term beginning in 2029 | ~$784 |
| Jon Ossoff | 11% | he is inaugurated as President for the term beginning in 2029 | ~$855 |
| Alexandria Ocasio-Cortez | 8% | she is inaugurated as President for the term beginning in 2029 | ~$1,145 |
| Kamala Harris | 5% | she is inaugurated as President for the term beginning in 2029 | ~$1,838 |
| Ron DeSantis | 4% | he is inaugurated as President for the term beginning in 2029 | ~$2,402 |
| Mark Kelly | 4% | he is inaugurated as President for the term beginning in 2029 | ~$2,601 |
| Donald J. Trump | 3% | he is inaugurated as President for the term beginning in 2029 | ~$3,020 |
| Pete Buttigieg | 3% | he is inaugurated as President for the term beginning in 2029 | ~$3,121 |
Other open names on this market — including Andy Beshear, Josh Shapiro, Tucker Carlson, and more — sit near 3% or lower.
Kalshi confirms the winner from the Office of the Presidency.
The case for J.D. Vance. Vice President J.D. Vance is the sitting No. 2 in a Republican White House, and traders price him at 19% to be inaugurated in 2029 — the highest single name on a market with dozens of sides. A July 2026 Rasmussen Reports survey of likely Republican primary voters put him at 39%, ahead of Secretary of State Marco Rubio at 27%. An Emerson College Polling survey in late May had Vance and Rubio nearly tied among Republican primary voters, at 36% and 35%. Those primary-preference numbers are not the same thing as this market’s inauguration chance — they ask who Republicans would nominate if they voted today, while Kalshi pays only if Vance is sworn in as president in 2029. Neither has announced a 2028 campaign. The Vance case at 19%: he is the sitting vice president with the clearest line into a Republican nomination fight, and traders still give him the edge over every other name even while someone else still has about an 81% chance to be inaugurated instead.
The case for Marco Rubio. Why Secretary of State Marco Rubio still sits at 16%: his chance is only three percentage points behind Vance, and national Republican primary polls show him closing. Rasmussen in late July had Rubio at 27% among likely Republican primary voters, up from 20% in April. Emerson’s May survey had him at 35%, up from 20% in February and from 9% in August 2025. Rubio has not announced a presidential bid; he has also said he would back Vance if the vice president runs. That is the Rubio case at 16%: a high-profile Cabinet officer whose poll climb keeps him the clear No. 2 on this market, priced as if traders still see a real shot at a Republican nomination and a general election more than two years away.
The case for Gavin Newsom. California Governor Gavin Newsom is the highest-priced Democrat on this market at 12%. An Emerson College Polling survey in late May put him at 16% among likely Democratic primary voters — near the front of that party’s preference list. Newsom has not announced a 2028 run. This market does not pay on winning a primary alone; it pays only if he is inaugurated as president for the term that begins in 2029, so the 12% already has to clear both a Democratic nomination fight and a general election. That is why a mid-teens primary preference can sit next to a lower inauguration price without a contradiction: traders are pricing the whole race, not just the first round. That is the Newsom case at 12%: California’s governor is the Democratic name traders treat as most likely to get through both contests on this winner-take-all market.
19% means traders see Vance as the single most likely person to be inaugurated in 2029 — and still give about an 81% chance that someone else is. Rubio at 16% and Newsom at 12% keep this a three-name cluster at the top, not a runaway favorite.
Put the top of the field side by side. Vance is at 19%. Rubio is at 16%. Newsom is at 12%. Ossoff is at 11%. Ocasio-Cortez is at 8%. Harris is at 5%. The top two Republicans together hold 35%; the top Democrat alone is 12%. Nobody on this market is priced like an Election Eve favorite.
On the morning of November 5, 2024, Kalshi sold Trump victory contracts near 57% and Harris near 42%, while major poll aggregators still described a near toss-up — and Trump won, as the Boston Globe noted three days later. That dated instance is why early prices matter as a signal and why they are not a finished forecast. A 19% lead with more than two years left is a much thinner claim than a 57% Election Day price.
3 reasons Vance’s 19% chance can still move:
November 2026 midterms; formal 2028 campaign announcements; Republican and Democratic nomination contests through 2028; Inauguration Day in January 2029.