In Ohio's open-seat gubernatorial race, post-May 5 primaries pitting Democrat Amy Acton against Republican Vivek Ramaswamy, trader consensus gives Democrats a slim 53.5% implied probability despite polling averages showing a statistical tie (Ramaswamy +1-2). Recent April surveys like BGSU/YouGov (R 48%, D 47%, ±3.9%) and Echelon Insights (R 49%, D 44%) capture the battleground dynamics, with Ramaswamy's dominant 82% GOP primary win and endorsements from Trump, Vance, and Musk offset by Acton's name recognition from COVID briefings and higher Democratic enthusiasm amid economic worries. The race stays tight due to suburban voter volatility and no incumbency edge; separation hinges on upcoming debates, ad spending surges, and turnout in swing areas like Columbus exurbs before November 3.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$92,631 Vol.
$92,631 Vol.

Democrat
54%

Republican
48%
$92,631 Vol.
$92,631 Vol.

Democrat
54%

Republican
48%
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Market Opened: Oct 13, 2025, 5:45 PM ET
Resolver
0x2F5e3684c...A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Resolver
0x2F5e3684c...In Ohio's open-seat gubernatorial race, post-May 5 primaries pitting Democrat Amy Acton against Republican Vivek Ramaswamy, trader consensus gives Democrats a slim 53.5% implied probability despite polling averages showing a statistical tie (Ramaswamy +1-2). Recent April surveys like BGSU/YouGov (R 48%, D 47%, ±3.9%) and Echelon Insights (R 49%, D 44%) capture the battleground dynamics, with Ramaswamy's dominant 82% GOP primary win and endorsements from Trump, Vance, and Musk offset by Acton's name recognition from COVID briefings and higher Democratic enthusiasm amid economic worries. The race stays tight due to suburban voter volatility and no incumbency edge; separation hinges on upcoming debates, ad spending surges, and turnout in swing areas like Columbus exurbs before November 3.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions