Arkansas Senate Election: Winner Prediction Markets
Arkansas voters head to the polls on November 3, 2026, to decide the state’s U.S. Senate seat. The contest pits the Republican incumbent, who has held a dominant position in a reliably red state, against Democratic challengers seeking to break the GOP’s long hold on statewide office. The race is part of the broader battle for Senate control in the 2026 midterms.
Why Markets Are Watching
Arkansas rarely produces competitive Senate races, so the real intrigue lies in margin and turnout rather than outcome uncertainty. The result offers a gauge of Republican strength in the rural South ahead of a midterm cycle that will shape the national balance of power. Any shift from historical voting patterns would carry symbolic weight beyond the state itself.
How Prediction Markets Frame the Race
The contract reduces a near-certain partisan outcome into a binary question: will the Republican candidate win the seat, or will a Democrat pull off an upset? Because the state leans heavily conservative, the market effectively isolates tail-risk scenarios rather than a genuine toss-up. Traders are less focused on who governs and more on whether unexpected volatility emerges in an otherwise predictable contest.
Related terms
Total Volume
$1.8m
Kalshi $436.1k · Polymarket $1.3m
Leading Market
Tom Cotton
Kalshi 95% · Polymarket 96%
Tom Cotton Volume
$594.6k
Kalshi $119.7k · Polymarket $474.9k
Tom Cotton 24h Change
+0.20%
Kalshi +0.20% · Polymarket 0.00%
Calculate Your Potential Return
- Kalshi(opens in a new tab) 7.0% fee
- Polymarket(opens in a new tab) 5.0% fee
| Market | Kalshi Yes | Kalshi Fee | Kalshi Payout | Polymarket Yes | Polymarket Fee | Polymarket Payout |
|---|---|---|---|---|---|---|
| Tom CottonRepublican Party | 95.1¢ | 7.0% | , trade Tom Cotton on Kalshi (opens in a new tab) | 96.0¢ | 5% | , trade Tom Cotton on Polymarket (opens in a new tab) |
| Hallie ShoffnerDemocratic Party | 5.6¢ | 7.0% | , trade Hallie Shoffner on Kalshi (opens in a new tab) | 6.0¢ | 5% | , trade Hallie Shoffner on Polymarket (opens in a new tab) |
* Estimates if candidate wins. Actual returns may vary.
All Markets
| Market | Total Volume | Kalshi(opens in a new tab) | Polymarket(opens in a new tab) |
|---|---|---|---|
| Tom CottonRepublican Party | $594,590.55 | ||
| Hallie ShoffnerDemocratic Party | $1,182,602.21 |