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U.S. Senate · Arkansas · Nov 3 · 7 days out

Arkansas Senate

Tom Cotton (Republican, incumbent) against Hallie Shoffner (Democrat).

Tom Cotton
Republican · incumbent · record Right 23
94%▼ 2 since April
vs.
Hallie Shoffner
Democrat · challenger · estimate L-lean 19
6%▲ 4 since April
100%90%80%70%60%50%40%30%20%10%0%MAYJUNJULAUGSEPOCTTODAY
100%75%50%25%0%MAYJUNJULAUGSEPTODAY
Party to win · Kalshi daily close, Oct 27All market contracts ▸

Where they stand · 42 points apart

Shoffner is an estimate

Solid is a voting record; hollow is read from the campaign’s own words. Biggest gaps first.

Tom CottonrecordHallie Shoffnerestimate
Issue · biggest gap firstLeftCenterRightApart
Overall
2319
42 pts

Money

FEC to Sep 30
RaisedCotton
$7MShoffner
$3.7MItemized, named donorsCotton
$2.8MShoffner
$2.4MNamed donorsCotton
4,011Shoffner
3,555Itemized from ArkansasCotton
17%Shoffner
80%
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.

In their own words

Campaign sites and X

“A strong military and billions in investments for Arkansas. A secure border and a safer Arkansas. Lower taxes for every Arkansan.”

“Pine Bluff Arsenal plays a vital role in producing the munitions that keep Americans safe. The new access control point will ensure it can continue doing so for decades to come.” Cotton · X post · Oct 20 · ↗

“Let's Take the Fight to washington”

“better voluntary conservation programs (better funding and small farm support in EQIP)” Shoffner · X post · Aug 25 · ↗

All market contracts · Kalshi and Polymarket · 4
CandidatePlatformContractBidAskLastVolume
Tom CottonKalshiRepublican wins94%94%94%$108,187Open ↗
Tom CottonPolymarketRepublican wins95%96%95%$55,311Open ↗
Hallie ShoffnerKalshiDemocrat wins6%6%6%$273,478Open ↗
Hallie ShoffnerPolymarketDemocrat wins5%6%6%$48,007Open ↗
Prices in cents on the dollar, read Oct 27, 2026. A party contract pays if that party wins the seat.
Also on the Arkansas ballot
Statement estimate · odds are a market close, not a poll