How to calculate which exchange has better odds

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DonkeyKong
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DonkeyKong

How to calculate which exchange has better odds
« on: February 21, 2016, 01:32:39 PM »

Hello,

I'm sitting here trying to figure it out but I can't quite get there. I want to know which lay bet is better. To lay something on smarkets with odds 1.76 at 2% comission or lay it at Betfair on 1.72 at 6.5% comission.

How do I make this calculation? Is it simply 1.065 x 1.72 for Betfair true odds and 1.02 x 1.76 for smarkets and see which one is lower?
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ppintaluba
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Re: How to calculate which exchange has better odds
« Reply #1 on: February 21, 2016, 01:43:27 PM »

1.76 lay is equal to 2.316 back. With 2.0% commission is 2.289
1.72 lay is equal to 2.389 back. With 6.5% commission is 2.299.

back = 1+1/(lay-1)
adjust after commission: 1+(back-1)*(1-comm)
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DonkeyKong
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DonkeyKong

Re: How to calculate which exchange has better odds
« Reply #2 on: February 21, 2016, 02:02:37 PM »

1.76 lay is equal to 2.316 back. With 2.0% commission is 2.289
1.72 lay is equal to 2.389 back. With 6.5% commission is 2.299.

back = 1+1/(lay-1)
adjust after commission: 1+(back-1)*(1-comm)

Thanks. I will be using this. But is there a way to calculate at which moment the lay bet odds are the same as lay bet on the other exchange?
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