Trader consensus prices a commanding 92.5% implied probability on the Republican nominee winning South Dakota's 2026 gubernatorial race, driven by the state's entrenched GOP dominance—no Democrat has won since 1974—and overwhelming Republican voter registration advantages amid legislative supermajorities. Incumbent Governor Larry Rhoden, who ascended after Kristi Noem's 2025 resignation to join the DHS, trails U.S. Rep. Dusty Johnson (34%) in the latest Mason-Dixon poll (April 7–11), with the June 2 primary featuring a fragmented field including House Speaker Jon Hansen and Toby Doeden; Democrats advance unopposed nominee Dan Ahlers. Recent GOP debates heightened primary tensions without altering general election dynamics. Upsets would require post-primary scandals, a national Democratic wave, or independents like Scott Morris consolidating unlikely support 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$12,857 Vol.
$12,857 Vol.

Republican
93%

Democrat
5%
$12,857 Vol.
$12,857 Vol.

Republican
93%

Democrat
5%
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, 5:36 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...Trader consensus prices a commanding 92.5% implied probability on the Republican nominee winning South Dakota's 2026 gubernatorial race, driven by the state's entrenched GOP dominance—no Democrat has won since 1974—and overwhelming Republican voter registration advantages amid legislative supermajorities. Incumbent Governor Larry Rhoden, who ascended after Kristi Noem's 2025 resignation to join the DHS, trails U.S. Rep. Dusty Johnson (34%) in the latest Mason-Dixon poll (April 7–11), with the June 2 primary featuring a fragmented field including House Speaker Jon Hansen and Toby Doeden; Democrats advance unopposed nominee Dan Ahlers. Recent GOP debates heightened primary tensions without altering general election dynamics. Upsets would require post-primary scandals, a national Democratic wave, or independents like Scott Morris consolidating unlikely support 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



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