Elections Intelligence

Roger Marshall

KSU.S. Senate S architectural icon
INCUMBENT Lean R to Toss-up Competitive
Full race page →

What the Signal reads

Toss-up

Marshall is the Republican incumbent, defending a seat the Signal rates Toss-up. The market has Marshall at 63¢ against Hamilton's 39¢, down 22¢ since July 31. The polling average has Hamilton ahead by 1.9 points, and the two campaigns have raised about the same.

The market

Kalshi ↗
Marshall · Republican contract
63.0¢
▼ 22.0¢since July 31

This contract settles on whether a Republican holds the seat, not on Roger Marshall by name.

Jul 3148 daily readings · high 85¢ · low 63¢Oct 12
Roger MarshallRepublican · incumbent
63.0¢
Adam HamiltonDemocratic
39.0¢

3,323,552 traded · 2,403,701 open. Prices are the yes ask; sides may not sum to 100.Checked 2:09 PM ET

Marshall v Hamilton

Metric by metric
Marshall
Hamilton
63.0¢
MarketKalshi, 2:09 PM ET
39.0¢
$4.01M
RaisedFEC, through July 15
$4.17M
$5.39M
Cash on handFEC, through July 15
$1.73M
47%
Latest pollInsiderAdvantage · Oct 10
48%
U.S. Senatorsince 2021
Holds now
No office on file

The 2026 race

Kansas U.S. Senate
Polling average
D+1.9

Average of 8 pollsters, September 16 to October 10.

Prior result
R+11.4

2020 general election, won by Roger Marshall.

Fundraising
1 to 1

Raised 2025 to 2026, through July 15.

The general election is on November 3, which is 22 days away.