Byron Donalds holds a strong 77.5% implied probability in the Florida governor race because traders view the state’s consistent Republican electoral edge and his position as the party’s nominee as decisive advantages heading into the November 3 contest. Donalds secured the GOP nomination in the August primary with a plurality and benefits from substantial fundraising, Trump backing, and alignment with the state’s recent voting patterns. David Jolly, the Democratic nominee and former Republican congressman, has narrowed gaps in some late polls through independent and younger voter support, but faces structural headwinds including limited resources and the party’s statewide drought since 2018. Recent surveys show the matchup ranging from tied to a modest Donalds lead, yet market pricing reflects broader historical precedent and turnout expectations favoring the Republican ticket in this open-seat race.