Troy Jackson holds a narrow polling lead in Maine’s Senate race against incumbent Susan Collins, consistent with the state’s Democratic lean and midterm dynamics under the Trump administration. Recent surveys through mid-October show Jackson ahead by roughly one to four points in most head-to-head matchups among likely voters, though several remain within the margin of error and forecasters rate the contest a toss-up. Traders appear to weigh Jackson’s edge among independents and younger voters alongside national anti-incumbent sentiment and Collins’s frequent alignment with the president on key votes. Collins benefits from her long record of delivering federal funding and history of outperforming polls, yet her support has not consolidated enough to reverse the market consensus. The final weeks feature ranked-choice voting considerations and late campaign events that could still shift turnout.