Trader consensus in the KY-06 Republican primary market heavily favors former State Sen. Ralph Alvarado at 62.5% implied probability ahead of the May 19 closed primary, propelled by the U.S. Chamber of Commerce's endorsement on April 9 affirming his pro-business record and fiscal discipline from eight years in the Kentucky Senate. State Rep. Ryan Dotson holds second at 10.2% following head-to-head debates, including a March 26 forum emphasizing conservative credentials, though Alvarado's fundraising edge and name recognition from prior statewide runs bolster his frontrunner status in this open seat race vacated by Rep. Andy Barr's Senate bid. Lower probabilities for Adam Perez Arquette, Greg Plucinski, and Gavin Solomon reflect their limited visibility and resources amid competitive field dynamics, with voter registration closing April 20 potentially shaping turnout.