Stefany Shaheen holds a commanding lead in trader consensus for New Hampshire’s 1st Congressional District because the open seat, previously held by Democrat Chris Pappas, sits in a district with a recent Democratic tilt and benefits from her established local profile plus family name recognition. She secured the Democratic nomination in the September 8 primary and has drawn high-profile support, including a campaign visit from House Minority Leader Hakeem Jeffries. Republican nominee Anthony DiLorenzo, who won his primary with backing from President Trump, has emphasized his business background and attacked Shaheen’s ties to Washington. Current polling shows a narrower contest, but the implied probability reflects the district’s fundamentals and limited remaining time for shifts before the November 3 general election. Late developments such as unexpected turnout changes, national political waves, or major campaign events could still alter the outcome.