James Comer leads the Republican primary for Kentucky governor in 2027 with the strongest trader consensus, reflecting his established statewide profile as a U.S. representative, prior agriculture commissioner role, and recent endorsements from figures including Secretary of State Michael Adams and Sen. Rand Paul. Comer has signaled a likely post-November 2026 announcement while building organization across the state. Thomas Massie, Nate Morris, Savannah Maddox, and Daniel Cameron trail at lower probabilities, consistent with Massie’s 2026 congressional primary defeat, Morris’s Senate withdrawal, and limited formal commitments from others. Minor filers such as Brett St. Amand, Rick Hardin, and Charles “Bruiser” Martin register as long shots ahead of the January 2027 filing deadline and May 18 primary, with no major late developments yet altering the early field dynamics.