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Iowa Republican Senate nominee in 2028?
Starts:Oct 12, 2026, 8:00 PMEnds:Nov 7, 2029, 3:00 PM
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Total volume
$10.7K
Largest spread
—
Outcomes
8
Platforms
1
Markets
1
Markets
Every market on this event, moneyline first. Select one to compare it across platforms in the side panel.
| Outcome | Best | Volume | Gemini | Kalshi | Limitless | Novig | Polymarket | Polymarket US |
|---|---|---|---|---|---|---|---|---|
Chuck Grassley | 33.0%Kalshi | $6.6K | — | — | — | — | — | |
Pat Grassley | 15.0%Kalshi | $3.5K | — | — | — | — | — | |
Matt Whitaker | 13.0%Kalshi | $112 | — | — | — | — | — | |
Kari Lake | 10.0%Kalshi | $402 | — | — | — | — | — | |
Chuck Grassley
33.0%Best · Kalshi$6.6K
Pat Grassley
15.0%Best · Kalshi$3.5K
Matt Whitaker
13.0%Best · Kalshi$112
Kari Lake
10.0%Best · Kalshi$402
Description from Kalshi. A cross-platform summary is generated once this event is matched across platforms.
The nominee is the winner of the June 2028 Iowa Republican primary. If no candidate receives at least 35% of the primary vote, the nominee selected by the Republican state convention counts.
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