Oklahoma’s 1st congressional district, centered on Tulsa, features Republican nominee Mark Tedford facing Democrat John Croisant in the November general election. The seat opened after incumbent Kevin Hern pursued a Senate bid, drawing a crowded GOP primary that Tedford won following Jackson Lahmeyer’s post-primary withdrawal. Nonpartisan ratings classify the district as solid or safe Republican, consistent with its recent history of double-digit GOP margins. Trader pricing clusters on Republican victories by 10-20 points, reflecting the district’s partisan lean while acknowledging variables such as turnout in the Tulsa metro area, candidate visibility in the final month, and any late shifts in national midterm dynamics that could compress or expand the final spread.