activePoliticsMarco Rubio -1% 24h

Republican Presidential Nominee 2028

This market will resolve to “Yes” if the named individual wins and accepts the 2028 nomination of the Republican Party for U.S. president.

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Current leader
J.D. Vance 42%
Largest 24h move
Marco Rubio -1%
24h volume
1.5M
Liquidity
48.9M

Top candidates

35 outcomes

J.D. Vance

42%

+0% 24h

Marco Rubio

27%

-1% 24h

Tucker Carlson

3%

0% 24h

Ron DeSantis

2%

-0% 24h

Donald Trump Jr.

1%

+0% 24h

Show all outcomes

Donald Trump

1%

-0%

Vivek Ramaswamy

1%

-0%

Greg Abbott

1%

-0%

Glenn Youngkin

1%

0%

Ivanka Trump

1%

0%

Rand Paul

1%

0%

Tulsi Gabbard

1%

0%

Marjorie Taylor Greene

1%

0%

Ted Cruz

1%

0%

Thomas Massie

1%

0%

Brian Kemp

1%

0%

Josh Hawley

1%

0%

Elon Musk

1%

0%

Tom Brady

1%

0%

Steve Bannon

1%

0%

Matt Gaetz

1%

0%

Eric Trump

1%

0%

Robert F. Kennedy Jr.

1%

0%

Byron Donalds

1%

0%

Erika Kirk

1%

0%

Joe Kent

1%

0%

Nikki Haley

1%

0%

Sarah Huckabee Sanders

1%

-0%

Elise Stefanik

1%

0%

John Thune

1%

0%

Kristi Noem

1%

0%

Mike Pence

1%

0%

Pete Hegseth

1%

0%

Kim Kardashian

1%

0%

Katie Britt

0%

0%

Market rules, made readable

Official description

How this market is decided

See what is changing

Resolves Yes

This market will resolve to “Yes” if the named individual wins and accepts the 2028 nomination of the Republican Party for U.S. president.

Resolves No

Otherwise, this market will resolve to “No”.

The resolution source for this market will be a consensus of official Republican Party sources. Any replacement of the Republican nominee before election day will not change the resolution of the market.

Living timeline · 3 significant updates

J.D. Vance’s 2028 Republican nomination odds fell 3.55 points over 24 hours

Odds chart

Candidate probability over time

Odds chart showing latest J.D. Vance probability of 42%.

Story so far

Needs a refresh

Marco Rubio’s 2028 Republican nomination odds rose from 22.55% on July 1, 2026 to 25.55% on July 2, 2026, while J.D. Vance’s implied chance for the same nomination fell from 41.55% to 38.0% over the same window. The available input suggests the move may be tied to broader political coverage and primary context, but no confirmed single catalyst is available.

No major update has changed the story in 13 days.

Latest update

J.D. Vance’s 2028 Republican nomination odds fell 3.55 points over 24 hours

Polymarket showed J.D. Vance’s implied chance for the 2028 Republican presidential nomination drop from 41.55% to 38.0% between July 1 and July 2, 2026. The input includes related political coverage, but no confirmed single catalyst.

Why this matters

Market moves can show where expectations are changing. PolySays adds the source trail so the price is not treated as proof on its own.

Known catalysts

  • The Rubio move may reflect market reaction to recent political coverage and primary context, but this is not confirmed.
  • Earlier odds moves were said to coincide with an Iran-deal political angle.
  • Broader Republican primary polling context may still be influencing the market.
  • No single cause is confirmed from the available input.
  • The new Vance decline is described only as a Polymarket-reported 24h price change; no specific driver is confirmed.

Unresolved questions

  • Whether Rubio’s odds rise persists beyond July 2, 2026.
  • Whether Vance’s odds decline continues after July 2, 2026.
  • Whether any specific article or campaign development explains either move more directly.
  • Whether the earlier Iran-deal angle or broader polling context materially affected these market shifts.

People and institutions to watch

Marco RubioJ.D. Vance2028 Republican presidential nominationIran-deal political angleRepublican primary polling

Source trail

No public sources are attached yet.

Living timeline

Significant updates

  1. J.D. Vance’s implied probability in the 2028 Republican presidential nomination market moved down 3.55 percentage points over a 24-hour window, from 41.55% to 38.0% between 2026-07-01T17:35:05.252Z and 2026-07-02T17:35:05.252Z. The supplied context points to recent coverage on Vance, Rubio, and broader Republican primary polling, but it does not confirm a specific news event caused the drop. Based on the available input, the safest read is that the move reflects market repricing rather than a verified new development.

    What changed

    J.D. Vance’s implied odds fell from 41.55% to 38.0%, a 3.55-point drop, over the stated 24-hour window.

    What to watch next

    Watch for any fresh Vance-related coverage, new Republican primary polling, or follow-on movement in related nomination markets such as Marco Rubio and Tucker Carlson.

    Sources