Oregon’s 1st District House Race: Who Will Win in 2026
Oregon’s 1st Congressional District, covering the Portland metro area’s western suburbs and the northern Willamette Valley, will hold its House election in November 2026. The seat has long leaned Democratic, but redistricting shifts and candidate strength can still shape how competitive the race becomes. Primary contests will determine which nominees from each party advance to the general election.
Why Markets Are Watching
Control of the U.S. House hinges on the cumulative outcome of races like this one, making even lower-profile districts relevant to the national balance of power. A shift in OR-01 could signal broader voter sentiment toward either party heading into the midterms. Local economic conditions and national political trends will both weigh on the outcome.
How Prediction Markets Frame the Race
The core question is simple: which party, or which specific candidate, ultimately wins the seat. Markets isolate the partisan outcome itself, separating it from noise around turnout or campaign spending. Traders are effectively weighing historical district lean against any emerging shifts in candidate strength or national mood, distilling a complex race into a single binary outcome.
Related terms
Total Volume
$15.1k
Kalshi $777.81 · Polymarket $14.3k
Leading Market
Suzanne Bonamici
Kalshi 99% · Polymarket 99%
Suzanne Bonamici Volume
$663.22
Kalshi $382.46 · Polymarket $280.76
Suzanne Bonamici 24h Change
-1.00%
Kalshi 0.00% · Polymarket -1.00%
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 |
|---|---|---|---|---|---|---|
| Suzanne BonamiciDemocratic Party | 99.1¢ | 7.0% | , trade Suzanne Bonamici on Kalshi (opens in a new tab) | 99.0¢ | 5% | , trade Suzanne Bonamici on Polymarket (opens in a new tab) |
| Barbara WaltersRepublican Party | 3.2¢ | 7.0% | , trade Barbara Walters on Kalshi (opens in a new tab) | 4.0¢ | 5% | , trade Barbara Walters 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) |
|---|---|---|---|
| Suzanne BonamiciDemocratic Party | $663.22 | ||
| Barbara WaltersRepublican Party | $14,389.00 |