Maryland’s 2nd Congressional District House Race
Maryland’s 2nd Congressional District, anchored in Baltimore County and reaching into Harford County, holds its House election in 2026. The seat has long leaned Democratic, with incumbent Dutch Ruppersberger having held it for years before his retirement plans reshaped the field. Candidates from both major parties are now positioning for the primary and general election contests ahead.
Why Markets Are Watching
Control of the House of Representatives often comes down to dozens of competitive or shifting districts, and open seats like MD-02 draw added attention even in reliably partisan states. A change in the district’s usual political alignment, or a contested primary outcome, could signal broader national trends heading into the midterms. Local turnout and candidate quality will shape how decisively the seat is held.
How Prediction Markets Frame the Race
The core question traders face is which party’s nominee ultimately wins the general election, isolating partisan control rather than any individual candidate’s personal path to victory. Separate contracts tied to specific named contenders let traders express views on the primary field before the nominees are even set. Together these questions capture both the intra-party contest and the eventual partisan outcome in one trajectory.
Related terms
Total Volume
$21.5k
Kalshi $4.4k · Polymarket $17.1k
Leading Market
Johnny Olszewski
Kalshi 98%
Johnny Olszewski Volume
$2.9k
Kalshi $2.9k
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 |
|---|---|---|---|---|---|---|
| Johnny OlszewskiDemocratic Party | 99.2¢ | 7.0% | , trade Johnny Olszewski on Kalshi (opens in a new tab) | — | — | — |
| John "Johnny O" Olszewski, Jr.Democratic Party | — | — | — | 99.0¢ | 5% | , trade John "Johnny O" Olszewski, Jr. on Polymarket (opens in a new tab) |
| Dave WallaceRepublican Party | 3.1¢ | 7.0% | , trade Dave Wallace on Kalshi (opens in a new tab) | 3.0¢ | 5% | , trade Dave Wallace 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) |
|---|---|---|---|
| Johnny OlszewskiDemocratic Party | $2,912.35 | No market | |
| John "Johnny O" Olszewski, Jr.Democratic Party | $4,933.99 | No market | |
| Dave WallaceRepublican Party | $13,643.39 |