Arb Calculation Help

**RickySteve** · 10-27-10, 04:22 PM

It's not.

**RickySteve** · 10-27-10, 04:23 PM

Take some time and teach yourself how to calculate post-commission prices.

**u21c3f6** · 10-27-10, 05:19 PM

Originally posted by dynamite140

I see -120 on Matchbook and +121 on bodog. Problem is i will have to accept the offer at matchbook so there is a 0.07% commission fee because its a baseball game.. Can someone tell me how much one has to wager so they can arb this bet? I know its very tiny but reason for this is because i want to clear some matchbook commission credits. Can someone calculate for me what am i suppose to risk on matchbook and bodog for this to be an arb? If the numbers were -120 and +121 on a book that does not include matchbook then its easy b/c all i would do is go on scalpulator.com and plug it in. But since its matchbook, i am having a horrible time.

Can someone help me with this? I would just like to use $100 as the base amount? I tried so many numbers and it seems one way or another, i will lose profit no matter what.

For example if i bet

Bodog +121 $100 to win $121
Matchbook -120

How much would i have to risk where this bet is essentially an arb? I am having a tough time b/c of the 0.07% commission fee. I mean if i put $120 to win $100, that would not work because if bodog bet wins, i win $0.30 but if matchbook side wins, i lose 0.70 when you factor the commission. I tried plugging in so many numbers by trial and error and cannot seem to find the number where this is an arb. I find this strange because bodog is +121 and even though matchbook is -120 and there is a 0.07% commission fee to the lower of the amount, wouldn't this still be an arb?

See attached.

MB-Comm(1)(1).xls

Joe.

**sharpcat** · 10-27-10, 05:22 PM

Originally posted by dynamite140

I see -120 on Matchbook and +121 on bodog. Problem is i will have to accept the offer at matchbook so there is a 0.07% commission fee because its a baseball game.. Can someone tell me how much one has to wager so they can arb this bet? I know its very tiny but reason for this is because i want to clear some matchbook commission credits. Can someone calculate for me what am i suppose to risk on matchbook and bodog for this to be an arb? If the numbers were -120 and +121 on a book that does not include matchbook then its easy b/c all i would do is go on scalpulator.com and plug it in. But since its matchbook, i am having a horrible time.

Can someone help me with this? I would just like to use $100 as the base amount? I tried so many numbers and it seems one way or another, i will lose profit no matter what.

For example if i bet

Bodog +121 $100 to win $121
Matchbook -120

How much would i have to risk where this bet is essentially an arb? I am having a tough time b/c of the 0.07% commission fee. I mean if i put $120 to win $100, that would not work because if bodog bet wins, i win $0.30 but if matchbook side wins, i lose 0.70 when you factor the commission. I tried plugging in so many numbers by trial and error and cannot seem to find the number where this is an arb. I find this strange because bodog is +121 and even though matchbook is -120 and there is a 0.07% commission fee to the lower of the amount, wouldn't this still be an arb?

Were you a highly touted athlete in college or highschool?

It seems as though you have developed a very bad habit of having others do your homework for you. This seems to be a reoccurring issue with all of your threads

**tburger** · 10-28-10, 01:05 AM

This is an arb opportunity. You said the commission is .07% but if you are paying 70 cents for every 100 that would be .7% (.7/100). One way to go about solving this is to convert the line with commission to an equivalent money line. Doing this would be -120.85 (-120/.993). Since the +121 is larger than the -120.85 there is a small arb possibility. If you bet a 100 on the +121 line you would need to bet 120.93 on the -120 and the commission line. You can even double check this by doing the reverse math. Solving for the dog profit 100*1.21=121-120.93=.07. 120.93*(100/120)=100.775. Next we need to subtract the commission. So 100.775*.007=.705425. This means 100.775-.705425=100.07. 100.07 once again leaves you with 7 cent profit. Thus you can arb this for about 7 cent profit. Enjoy your 7 cents and spend it wisely. If you want I can post how to calculate the amounts to bet.

**RickySteve** · 10-28-10, 05:34 AM

Originally posted by tburger

This is an arb opportunity. You said the commission is .07% but if you are paying 70 cents for every 100 that would be .7% (.7/100). One way to go about solving this is to convert the line with commission to an equivalent money line. Doing this would be -120.85 (-120/.993). Since the +121 is larger than the -120.85 there is a small arb possibility. If you bet a 100 on the +121 line you would need to bet 120.93 on the -120 and the commission line. You can even double check this by doing the reverse math. Solving for the dog profit 100*1.21=121-120.93=.07. 120.93*(100/120)=100.775. Next we need to subtract the commission. So 100.775*.007=.705425. This means 100.775-.705425=100.07. 100.07 once again leaves you with 7 cent profit. Thus you can arb this for about 7 cent profit. Enjoy your 7 cents and spend it wisely. If you want I can post how to calculate the amounts to bet.

You're doing it wrong.

**tburger** · 10-28-10, 10:06 AM

How? All you have to do is look at the post commission money line and you can tell this is an arb. Show me the math if I am wrong.

**sharpcat** · 10-28-10, 11:14 AM

Originally posted by tburger

How? All you have to do is look at the post commission money line and you can tell this is an arb. Show me the math if I am wrong.

commission is not the same as juice. Commission is taken out on both wins and losses, juice is only taken from loses.

**tburger** · 10-28-10, 12:37 PM

That makes sense now. Thanks for the help.

**subs** · 10-28-10, 11:28 PM

use a scalping calculator that has a variable commission section. there are many out there