Maryland’s 1st District House Race Heads Toward 2026 Showdown
Maryland’s 1st Congressional District, anchored by the Eastern Shore and parts of northern Anne Arundel County, is set for a 2026 House election. The seat has long leaned Republican, held in recent years by Rep. Andy Harris, making it one of the few conservative strongholds in an otherwise Democratic-leaning state. Candidate fields are still taking shape ahead of primaries, with both parties weighing contenders for the general election.
Why Markets Are Watching
Control of the House often comes down to a handful of competitive or symbolically important districts, and MD-01 draws attention as Maryland’s lone reliably Republican seat. Any sign of a tighter-than-expected race would signal shifting political winds nationally. Redistricting, incumbency decisions, and local turnout patterns all factor into how competitive the seat remains.
How Prediction Markets Frame the Race
The market reduces a multi-candidate contest into a binary question: which party ultimately wins the seat. That framing strips away campaign noise and focuses attention on the structural lean of the district versus the chance of an upset. Traders are effectively weighing historical partisan performance against any emerging volatility in candidate strength or turnout.
Related terms
Total Volume
$267.2k
Kalshi $125.9k · Polymarket $141.3k
Leading Market
Andy Harris
Kalshi 86% · Polymarket 87%
Andy Harris Volume
$75.7k
Kalshi $28.6k · Polymarket $47.1k
Andy Harris 24h Change
+1.00%
Kalshi +1.00% · 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 |
|---|---|---|---|---|---|---|
| Andy HarrisRepublican Party | 86.0¢ | 7.0% | , trade Andy Harris on Kalshi (opens in a new tab) | 88.0¢ | 5% | , trade Andy Harris on Polymarket (opens in a new tab) |
| Dan SchwartzDemocratic Party | 15.0¢ | 7.0% | , trade Dan Schwartz on Kalshi (opens in a new tab) | 15.0¢ | 5% | , trade Dan Schwartz 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) |
|---|---|---|---|
| Andy HarrisRepublican Party | $75,739.96 | ||
| Dan SchwartzDemocratic Party | $191,455.69 |