What is every Big 12 Conference team's record against the over/under line as a home underdog since the 2017-2018 season?

Definitions
Team Over Record Over % Under % Total +/-
Cincinnati 5-2-0 71.4% 28.6% +6.4
W Virginia 15-9-1 62.5% 37.5% +7.1
Baylor 5-4-0 55.6% 44.4% +2.1
Iowa St 15-13-0 53.6% 46.4% -0.3
Kansas 1-1-0 50.0% 50.0% -2.5
TX Christian 11-11-1 50.0% 50.0% +0.5
Oklahoma St 16-18-2 47.1% 52.9% -0.5
Texas 7-8-0 46.7% 53.3% +5.9
Texas Tech 2-3-0 40.0% 60.0% -1.3
Kansas St 11-17-1 39.3% 60.7% -1.4
UCF 10-18-0 35.7% 64.3% -7.7
Oklahoma 7-14-0 33.3% 66.7% -5.5
BYU 3-8-0 27.3% 72.7% -4.7
Houston 0-3-0 0.0% 100.0% -7.7