Incumbent Republican Mike Carey holds a structural edge in Ohio’s 15th District through incumbency, superior fundraising of roughly $4 million to Don Leonard’s $1.1 million, and the district’s Republican lean of several points on partisan voting indexes. Recent Democratic-sponsored polling from Hart Research has shown Leonard leading or within a few points in October and September surveys, tightening the contest amid a national environment that has favored Democrats in some House races. Forecasters rate the seat Lean or Likely Republican, reflecting the gap between raw polling and the district’s baseline partisan tilt. Prediction market pricing at 63 percent for Carey versus 37 percent for Leonard incorporates these fundamentals alongside the limited number of independent polls and the two-week window remaining before the November 3 general election.