Who will announce Presidential run before 2027

30-day trend

Analysis

This market reflects the probability that some candidate will publicly announce a 2028 presidential campaign before the end of 2026. At 18%, traders assess this as unlikely but possible within the next seven months. The relatively low probability reflects that early announcements are historically uncommon for non-incumbent candidates—most wait until after the midterm election cycle concludes or closer to the official campaign season. However, recent political trends show shortened timelines and increased early positioning. Key drivers include whether major Democratic or Republican figures move from speculation to formal announcement, and whether the current administration's positioning creates incentive for challengers to declare early. The remainder of 2026 will be critical; any major announcement before year-end would substantially resolve this outcome, while silence through November suggests lower likelihood.

• ›Gavin Newsom futures trading at 14¢ represents the largest concentration, indicating he is perceived as the most likely early declarer among all candidates
• ›Historical precedent: sitting governors and opposition figures rarely announce before the year prior to the election cycle
• ›Activity volume on Polymarket has declined significantly ($41-110 daily volume on top contracts), suggesting limited certainty and modest trader confidence in either direction
• ›The market distinguishes between this early-announcement outcome and actual 2028 candidacy, meaning non-announcement by major figures would still leave them viable candidates
• ›Q4 2026 represents the final window; any delay past November substantially favors the outcome resolving to 'no']

What moved the line

• May 7Zohran Mamdani↓22pp27→5¢ · Polymarket
• May 6Cory Booker↓22pp34→12¢ · Polymarket
• May 6Phil Murphy↓16pp30→14¢ · Polymarket
• May 7Byron Donalds↓11pp23→12¢ · Polymarket
• May 6Rahm Emanuel↑11pp16→27¢ · Polymarket

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These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

How we compute these odds