What is every Big 12 Conference team's record against the over/under line as a home underdog since the 2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 12-3-1 80.0% 20.0% +11.8
Houston 7-4-1 63.6% 36.4% +4.9
TX Christian 6-4-0 60.0% 40.0% +4.1
Kansas 13-10-0 56.5% 43.5% +1.5
UCF 1-1-0 50.0% 50.0% -6.3
W Virginia 7-7-0 50.0% 50.0% +2.7
Kansas St 6-7-0 46.2% 53.9% +1.2
Oklahoma St 4-5-0 44.4% 55.6% +1.1
Texas 2-3-0 40.0% 60.0% +1.5
Cincinnati 2-3-0 40.0% 60.0% -7.1
BYU 3-6-0 33.3% 66.7% +0.6
Baylor 4-10-0 28.6% 71.4% -4.3
Iowa St 2-7-0 22.2% 77.8% -7.3