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Convert Lay liability to stake

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Author Topic: Convert Lay liability to stake  (Read 602 times)
AceJack
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« on: August 23, 2016, 05:29:19 PM »

Im working with this formula:

liability is 183,22  (back 200 @ 1,96)
Lay odds is 1,86 

However I dont understand how to calculate what I need to lay to get this liability?? 

anyonw have a chance to help me with formula
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dealer wins
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« Reply #1 on: August 23, 2016, 05:38:59 PM »

Im working with this formula:

liability is 183,22  (back 200 @ 1,96)
Lay odds is 1,86 

However I dont understand how to calculate what I need to lay to get this liability?? 

anyonw have a chance to help me with formula

Backers stake of 213.05    Formula is 183.22 divided by odds-1     183.22/0.86 = backers stake
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AceJack
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« Reply #2 on: August 23, 2016, 06:37:58 PM »

Im working with this formula:

liability is 183,22  (back 200 @ 1,96)
Lay odds is 1,86 

However I dont understand how to calculate what I need to lay to get this liability?? 

nvm I had already included this in my formula , Thanks a lot :)

anyonw have a chance to help me with formula

Backers stake of 213.05    Formula is 183.22 divided by odds-1     183.22/0.86 = backers stake

and i forgot there is of course 2% commission for the lay bet, how do I include this in you formula ?
« Last Edit: August 23, 2016, 06:40:57 PM by AceJack » Logged

whitesnake
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« Reply #3 on: August 23, 2016, 07:55:50 PM »

you can use an online bat/lay calculator like
http://www.backlaybettingcalculator.com/
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MaxShalamar
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« Reply #4 on: August 23, 2016, 08:40:03 PM »

http://www.trickybet.net/lay-calculator

I find this to be perfect - odds to 3 decimal places and sliders to adjust stakes
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palindon
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« Reply #5 on: August 24, 2016, 06:13:45 AM »

Im working with this formula:

liability is 183,22  (back 200 @ 1,96)
Lay odds is 1,86 

However I dont understand how to calculate what I need to lay to get this liability?? 

nvm I had already included this in my formula , Thanks a lot :)

anyonw have a chance to help me with formula

Backers stake of 213.05    Formula is 183.22 divided by odds-1     183.22/0.86 = backers stake

and i forgot there is of course 2% commission for the lay bet, how do I include this in you formula ?
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palindon
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« Reply #6 on: August 24, 2016, 06:18:59 AM »

chromaweb.com.  their  advanced  lay calc, and  2% commission , so you are using betdaq ? you should be careful with the 2% commission offered by betdaq , it is not available for everyone, are you making your lay bets as an arber ? palindon
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AceJack
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« Reply #7 on: September 18, 2016, 04:42:42 PM »

I was hoping to revive this post , thanks for all the help . I prefer to have everything related to betting in my excel sheet . I am aware that I can find websites that offer these types of calculators.

I was hoping some math wizards could help me with the formula that does the opposite of my previous problem .
So I can calculate how much I should Back after I have had a certain bet matched:

For instance:

Lay: 3,16 , stake $54,29 (liability 117,26) rake: 2%

Back= 3,42 how do I calculate how much I should back bet ?
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ppintaluba
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« Reply #8 on: September 18, 2016, 06:34:47 PM »

Without doing any math, you know you should back a stake a bit lower than the lay stake. Such as 50, 51 up to 54
And you also know that your winnings (stake * (back odds-1)) should be greater than the lay liability.
So if you try with 50 you get
50 * 2.42 = 121 (greater than 117.26)

This does not take commission into account. The exact value needs a formula a bit complex (not space science anyway).
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AceJack
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« Reply #9 on: September 19, 2016, 07:52:24 PM »

Without doing any math, you know you should back a stake a bit lower than the lay stake. Such as 50, 51 up to 54
And you also know that your winnings (stake * (back odds-1)) should be greater than the lay liability.
So if you try with 50 you get
50 * 2.42 = 121 (greater than 117.26)

This does not take commission into account. The exact value needs a formula a bit complex (not space science anyway).

this back and lay still confuses me alot, and im definitely no rocket scientist :)

I worked out this to inverse the laybet to back:=1+(1/(T3,16-1))*  (1 - 2%) = 1,454 ) but guess i need to look more closly into this

)

Edit nevermind this , I fund out how to convert it back to back stake:

I just need to add how much I can win (-rake) with my liability and divide it with the back stake :)
« Last Edit: September 19, 2016, 08:07:20 PM by AceJack » Logged

fairpunter
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« Reply #10 on: September 20, 2016, 09:08:55 AM »

AceJack, if you lay any oods with any comission rate at exchange bookie, it is like you back any odds at non exchange bookie ( at any soft or sharp bookie) without any comission rate. And if we say back odds at non exchange bookie X, formula is this :

X = (((100 -- comission rate) / (lay odds -- 1)) + 100) / 100

if you want to place this formula on excell , don`t forget to put 3 brackets at the begining of formula
example:
you want to lay odds 1.80 and your liability stake is 80e, bakers stake is 100e and your comission rate is 5%
if you win your net profit will be 95e.
(((100 -- 5) / (1.80 -- 1)) + 100) / 100 = 2.1875
and it is like you back any odds 2.1875  with bet stake 80e at any non exchange bookie.
I hope I understand you correctly and calculate right formula for you
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ppintaluba
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« Reply #11 on: September 20, 2016, 11:27:44 PM »

Why -- ?
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AceJack
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« Reply #12 on: September 25, 2016, 03:41:23 PM »

Did some Google search and messed around in excel and I was able to figure this out. 

Now I have back to lay calculator and lay to back calculator in my excel sheets..  Thanks a lot guys for all the help

Reason I wanted this is because I don't always get my stake 100% matched then I need to figure out how much the matched % takes of the back bet,  then I can recalculate and either try to increase the lay odds or try to back the unmatched bets at other bookies like pinnacle.. 

As I side note I think smarkets offers better odds then pinnacle on a lot of matches
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