**Maine's Senate contest between incumbent Republican Susan Collins and Democrat Troy Jackson remains a statistical toss-up, with recent polls showing margins of three points or less amid ongoing volatility after the July Democratic nominee switch.** Multiple surveys from late September, including those from NYT/Siena, UNH, and AARP, place the candidates within the margin of error, reflecting Maine's independent voters, ranked-choice voting dynamics, and Collins's established personal appeal offsetting national partisan trends. Texas's matchup between Republican Ken Paxton and Democrat James Talarico has also tightened into toss-up territory per recent polling averages, with Talarico holding narrow leads of one to six points, yet traders assign Maine a 63% probability of producing the smaller victory margin on Election Day due to its structural closeness and polling fluctuations. Both races feature high undecided shares and could shift with final turnout or late events.