K KalshiPolitics & Elections

Will Iowa have the smallest margin of victory in 2026 United States Senate elections?

Settles Jan 03, 2027 (63d) All outcomes: Closest Senate race in 2026? Polls & election odds

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chance of YES14%
Price range (120d)
11–20%
30d +14 pts · 7d +0 pts
24h volume
7.3K
$1 contracts
Open interest
99.6K
contracts outstanding
Large orders (14d)
—
none recorded

Odds and volume

daily, 120 days

Line: daily closing YES price (= implied probability). Bars: contracts traded.

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We don't execute trades; odds are aggregated from public data.

Other outcomes in this event

Kansas14%18.8K
South Carolina10%13.9K
Michigan9%12.8K
Maine8%4.3K
Texas8%12.2K
Alaska8%16.3K
Nebraska8%5.8K
Ohio7%3.7K