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  #1  
Old 06-24-2006, 12:43 PM
pokeraz pokeraz is offline
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Default BB Middles

After reading this: thread , feeling a little confused, I find this today:

OAK ML -129
SF +1.5 -138

If I think OAK wins by 1, 13% of the time, this is +EV, correct?
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  #2  
Old 06-24-2006, 01:12 PM
pokeraz pokeraz is offline
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Default Re: BB Middles

Ok, I think I figured out the math -

$100 bet means I lose $33.5 when I miss the middle and win $200 when the middle comes in. Which means I need to be right 1 in 6 times to break even. Since I think there is a 13% chance of OAK winning by one, I actually need to be right 1 in 7.7 times.

A little shy on this one, but the methodology is correct?

On a side note, what does the book think about this bet? Ok to make with the same book, or no?

Thanks.
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  #3  
Old 06-24-2006, 01:32 PM
ImBen ImBen is offline
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Default Re: BB Middles

Oakland needs to win by exactly 1 run >14.32% of the time for this to be +EV.

If they were at home, this would be a good bet. As a road team, this is not a good bet.
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  #4  
Old 06-24-2006, 01:33 PM
ImBen ImBen is offline
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Default Re: BB Middles

The books will welcome this action.
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  #5  
Old 06-24-2006, 01:58 PM
mrbaseball mrbaseball is offline
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Default Re: BB Middles

Here's how I do it. Oakland is a -129 favorite (actually more if you ask me as I like them at this price) but we'll go with the -129 line which says they should win 56.5% of the time. Now we will assume they win 13% of their road games by one run. Actually I think 13% is too high but we will use it for this example.

The line says Oak wins 56.5% of the time and SF wins 43.5% of the time. Our expected outcome is negative.

43.5% of the time Oakland wins by more than one and we lose .38

13% of the time Oakland wins by one and we win 2.

43.5% SF wins and we lose .29

So ... 43.5%*(-38) = -16.53, 13%*200 = 26, and 43.5% * (-29) = -12.61. So 26-16.53-12.61 = -3.14
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  #6  
Old 06-25-2006, 09:03 AM
MadTiger MadTiger is offline
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Default Re: BB Middles

[ QUOTE ]
Here's how I do it. Oakland is a -129 favorite (actually more if you ask me as I like them at this price) but we'll go with the -129 line which says they should win 56.5% of the time. Now we will assume they win 13% of their road games by one run. Actually I think 13% is too high but we will use it for this example.

The line says Oak wins 56.5% of the time and SF wins 43.5% of the time. Our expected outcome is negative.

43.5% of the time Oakland wins by more than one and we lose .38

13% of the time Oakland wins by one and we win 2.

43.5% SF wins and we lose .29

So ... 43.5%*(-38) = -16.53, 13%*200 = 26, and 43.5% * (-29) = -12.61. So 26-16.53-12.61 = -3.14

[/ QUOTE ]

Very good example.
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