Maine’s 1st District House Race 2026
Maine’s 1st Congressional District, anchored by Portland and the state’s southern coast, holds its U.S. House election on November 3, 2026. The seat has long leaned Democratic, but midterm turnout swings and candidate matchups can tighten competitive districts. Voters will choose between Democratic and Republican nominees to represent the district in Washington.
Why Markets Are Watching
Control of the U.S. House hinges on a narrow set of competitive districts, and every seat’s outcome shapes the broader national balance of power. A shift in Maine’s 1st District would signal changing voter sentiment in New England ahead of the 2028 cycle. Results here also offer an early read on how national political trends are playing out at the local level.
How Prediction Markets Frame the Race
The contract reduces a multi-candidate campaign into a binary question: will the Democratic or Republican nominee win the district? This isolates the partisan outcome from the underlying mechanics of the election, letting traders focus purely on who ultimately prevails. It effectively measures real-time confidence in each party’s hold on a historically blue-leaning seat.
Related terms
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Democratic Party (United States) -
Republican Party (United States) -
United States House of Representatives -
Maine -
New England -
Portland, Maine -
Chellie Pingree -
Maine's 1st congressional district
Total Volume
$139.3k
Kalshi $4.8k · Polymarket $134.5k
Leading Market
Chellie Pingree
Kalshi 97% · Polymarket 98%
Chellie Pingree Volume
$64.8k
Kalshi $3.5k · Polymarket $61.2k
Chellie Pingree 24h Change
-1.20%
Kalshi -1.20% · 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 |
|---|---|---|---|---|---|---|
| Chellie PingreeDemocratic Party | 99.0¢ | 7.0% | , trade Chellie Pingree on Kalshi (opens in a new tab) | 99.0¢ | 5% | , trade Chellie Pingree on Polymarket (opens in a new tab) |
| Ronald RussellRepublican Party | 3.0¢ | 7.0% | , trade Ronald Russell on Kalshi (opens in a new tab) | — | — | — |
| Ronald C RussellRepublican Party | — | — | — | 2.0¢ | 5% | , trade Ronald C Russell 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) |
|---|---|---|---|
| Chellie PingreeDemocratic Party | $64,793.99 | ||
| Ronald RussellRepublican Party | $1,225.01 | No market | |
| Ronald C RussellRepublican Party | $73,281.51 | No market |