Incumbent Republican Tom Cole faces Democrat Mitchell Jacob in Oklahoma’s 4th district, rated Solid or Safe Republican by Cook, Inside Elections, and Sabato’s Crystal Ball. The district’s R+17 Partisan Voter Index and Cole’s consistent 30-plus-point victories in prior cycles underpin trader expectations for a Republican margin clustered in the 20-30% range. Cole’s primary win and substantial fundraising edge, paired with Jacob’s limited resources after the June Democratic primary, have kept the race stable. No significant late-cycle polling, endorsements, or national events have altered the baseline, leaving the margin markets aligned with historical results and the absence of competitive pressure in this deep-red seat.