Ashley Hinson holds a commanding lead in the June 2 Iowa Republican Senate primary, backed by endorsements from retiring Sen. Joni Ernst, President Trump, and Senate Majority Leader John Thune, along with a substantial fundraising edge over challenger Jim Carlin. As the sitting representative for Iowa’s 2nd congressional district, Hinson benefits from high name recognition and alignment with party priorities on taxes and affordability ahead of the open-seat contest. Traders reflect this consensus through her near-certain implied probability. A late shift could still occur if Carlin mobilizes strong turnout in rural counties or if an unforeseen event such as a major policy dispute or health-related development alters the final weeks of campaigning.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAshley Hinson 95.0%
Joshua Smith 1.9%
Jim Carlin 1.4%
John Berman <1%
$19,225 Vol.
$19,225 Vol.
Ashley Hinson
95%
Joshua Smith
2%
Jim Carlin
1%
John Berman
<1%
Ashley Hinson 95.0%
Joshua Smith 1.9%
Jim Carlin 1.4%
John Berman <1%
$19,225 Vol.
$19,225 Vol.
Ashley Hinson
95%
Joshua Smith
2%
Jim Carlin
1%
John Berman
<1%
If no 2026 Iowa Republican Senate Primary takes place, this market will resolve to "Other".
The resolution source for this market will be the first announcement of the results from the Iowa Republican party, however an overwhelming consensus of credible reporting may suffice.
Market Opened: Nov 13, 2025, 2:11 PM ET
Resolver
0x2F5e3684c...If no 2026 Iowa Republican Senate Primary takes place, this market will resolve to "Other".
The resolution source for this market will be the first announcement of the results from the Iowa Republican party, however an overwhelming consensus of credible reporting may suffice.
Resolver
0x2F5e3684c...Ashley Hinson holds a commanding lead in the June 2 Iowa Republican Senate primary, backed by endorsements from retiring Sen. Joni Ernst, President Trump, and Senate Majority Leader John Thune, along with a substantial fundraising edge over challenger Jim Carlin. As the sitting representative for Iowa’s 2nd congressional district, Hinson benefits from high name recognition and alignment with party priorities on taxes and affordability ahead of the open-seat contest. Traders reflect this consensus through her near-certain implied probability. A late shift could still occur if Carlin mobilizes strong turnout in rural counties or if an unforeseen event such as a major policy dispute or health-related development alters the final weeks of campaigning.
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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