Gentner Drummond maintains a slight edge in trader consensus at 38% implied probability for the Oklahoma Republican gubernatorial primary on June 16, driven by his steady 36% showing in February SoonerPoll among likely voters, ahead of Chip Keating and Mike Mazzei clustered near 13-14%, with 19% undecided. Recent May campaign finance reports highlight intense spending battles, including millions in self-funding by top contenders, fueling challengers' momentum. April debates spotlighted policy differences on taxes, education, and border security, where Drummond's absence drew criticism, keeping the multi-candidate field fragmented. Early voting looms as a key factor, with potential endorsements or late polls poised to consolidate support and create separation among the closely matched leaders.