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Old 06-30-2008, 07:37 AM   #1 (permalink)
Bullajami
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Default Calculating Book Advantage on Moneylines

Checking my math with the brainiacs here. On the line
XYZ -220
ABC +200

the house advantage equals:
XYZ -220 = 5/11; converted to percentage as 11(100)/5+11 = 68.75%

ABC +200 = 2/1; converted to a percentage as 1(100)/2+1 = 33.33%

33.33% + 68.75% = 102.08%

meaning the book has a 2.08% overround built into this line.

Have I got this right?
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Last edited by Bullajami : 06-30-2008 at 07:41 AM.
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Old 06-30-2008, 08:35 AM   #2 (permalink)
Ganchrow
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Default

Well technically the overround would be 102.08% and the theoretical hold (i.e., the "juice") would be 1-1/102.08% ≈ 2.041%.

See An introduction to expectations and theoretical hold.
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