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Iowa Governor Republican Primary Winner
polymarket

Iowa Governor Republican Primary Winner

Volume:
$730,026

Zach Lahn

all

2 markets

Kalshi

Polymarket

consensus

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 3, 2026

Will Zach Lahn be the Republican nominee for Governor in Iowa?

100%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 7.9¢ buys you 1,266 shares | Odds: 100% Total Payout: $1,266 | Net Profit: $1,166 Multiplier: 12.66x | ROI: 1,166% | APY: N/A
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Zach Lahn

Trade
100%
Yes 100¢No 0¢
0.9¢
N/A
$149,003
0%
N/A
$110,869
0d 0h 0m
active
polymarket

Zach Lahn

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$105,309
N/A
N/A
N/A
Settled
Yes
PredictionHero
Market Consensus
100%
Yes 100¢No 0¢
Avg: 0.5¢Max: 0.9¢
kalshi

Randy Feenstra

Trade
0%
Yes 0¢No 100¢
0.1¢
N/A
$215,475
0%
N/A
$113,691
0d 0h 0m
active
polymarket

Randy Feenstra

View
0%
Yes 0.1¢No 99.9¢
—
$33,771
$168,806
N/A
N/A
N/A
Settled
No
PredictionHero
Market Consensus
0%
Yes 0.1¢No 100¢
Avg: 0.1¢Max: 0.1¢
kalshi

Adam Steen

Trade
0%
Yes 0¢No 100¢
1.5¢
N/A
$40,345
0%
N/A
$29,865
0d 0h 0m
active
polymarket

Adam Steen

View
0%
Yes 0.1¢No 99.9¢
—
$124,087
$10,669
N/A
N/A
N/A
Settled
No
PredictionHero
Market Consensus
0%
Yes 0.1¢No 100¢
Avg: 1.5¢Max: 1.5¢
kalshi

Brad Sherman

Trade
0%
Yes 0¢No 100¢
0.8¢
N/A
$7,515
0%
N/A
$7,278
0d 0h 0m
active
polymarket

Brad Sherman

View
0%
Yes 0.1¢No 99.9¢
—
$121,838
$20,710
N/A
N/A
N/A
Settled
No
PredictionHero
Market Consensus
0%
Yes 0.1¢No 100¢
Avg: 0.8¢Max: 0.8¢
kalshi

Mike Bousselot

Trade
0%
Yes 0¢No 100¢
0.9¢
N/A
$5,219
0%
N/A
$2,251
0d 0h 0m
active
kalshi

Eddie Andrews

Trade
0%
Yes 0¢No 100¢
0.1¢
N/A
$2,612
0%
N/A
$2,533
0d 0h 0m
active
polymarket

Eddie Andrews

View
0%
Yes 0.1¢No 99.9¢
—
N/A
$3,155
N/A
N/A
N/A
Settled
No
PredictionHero
Market Consensus
0%
Yes 0.1¢No 100¢
Avg: 0.1¢Max: 0.1¢
kalshi

Amy Sinclair

Trade
0%
Yes 0¢No 100¢
0.1¢
N/A
$1,207
0%
N/A
$1,207
0d 0h 0m
active
polymarket

Other

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate B

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate D

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate F

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate H

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate J

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate L

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate N

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate P

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate R

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate T

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate V

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate X

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 25 of 39

Intro

This market tracks which candidate will win the Republican Primary for Iowa Governor on June 2, 2026. Across Polymarket and Kalshi, the consensus probability for Zach Lahn winning stands at 99.3%, with Randy Feenstra at 0.4%. Resolution will be determined by the official announcement from the Iowa Republican Party, or by overwhelming consensus of credible reporting if official results are delayed. Watch for candidate announcements and campaign developments leading up to the June 2, 2026 primary election.

Frequently asked questions

The market resolves on Jun 2, 2026. Resolution is determined by the official result of the Iowa Republican primary election for Governor. The outcome reflects which candidate wins the most votes and secures the Republican nomination. Markets remain open for trading until the primary concludes, allowing participants to adjust positions as new campaign information, polling, and endorsements emerge in the final weeks leading up to the vote.

Key catalysts include major endorsements from Iowa Republican leaders, debate performances, campaign spending announcements, and shifts in polling. Candidate gaffes, media coverage, and turnout organization efforts in rural and urban Iowa counties can reshape trader expectations. National political events, changes in candidate health or viability, and last-minute campaign pivots also influence market pricing. Traders monitor Iowa-specific issues like agriculture policy, ethanol subsidies, and local economic conditions that resonate with primary voters and drive nomination odds.