Help understanding greening up please!?

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skotten84
Posts: 42
Joined: Thu Mar 10, 2016 3:36 pm

Hi,

I'm new to sports trading and have a question. Why is greening up necessary? Surely backing and laying every horse in a race would be enough to cover every outcome?
E.g.

1. Shitstorm
2. Fly Like The Wind
3. The Shit Hits The Fan
4. Bookie Hater

So surely if I back and lay Shitstorm in the above race, then A) if Shitstorm wins I win the back bet, and B) if any other horse e.g. Bookie Hater wins then I win the lay bet?

How can it be that only one outcome is covered by backing any laying one horse? Is it because I'm backing AND laying with Betfair? Let's say I backed Fly Like The Wind with Paddy Power then layed it with Betfair, that would surely mean that I was covering all possible outcomes?

Appreciate your help guys!
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Dallas
Posts: 23558
Joined: Sun Aug 09, 2015 10:57 pm

Sounds like you confussing greening up with just closing a trade, these two threads should help explain

viewtopic.php?f=47&t=11408
viewtopic.php?f=47&t=11572
skotten84
Posts: 42
Joined: Thu Mar 10, 2016 3:36 pm

Thanks for your reply! I still don't get it though...

If Man Utd are playing Liverpool, there are three possible results; H, D, A.

If I back H at say William Hill then lay H at Betfair, I then have every outcome covered. If Man Utd win I win at the bookies. If it's a draw or Liverpool win then I win at Betfair.

So how is it that, on a horse race, simply backing and laying Horse A doesn't cover every outcome? Why do I need to green up?
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LeTiss
Posts: 5488
Joined: Fri May 08, 2009 6:04 pm

If you back and lay the same selection, then you're making bugger all if the price is the same. In fact, you will lose over time due to BF commission

The idea of sports trading is to back at a higher price than you lay. If you back Shitstorm at 4.2 for £10 and lay Shitstorm at 4.1 then you make £1 profit if Shitstorm wins, but £0 on everything else.

Your mindset is all wrong - it's like guessing how many sweets are in a jar. If I back between 50-60 sweets, and lay 50-60 sweets....I can't lose!
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Dallas
Posts: 23558
Joined: Sun Aug 09, 2015 10:57 pm

If you back H at WH for £10 @ 5.0 = £40 profit or £10 loss
If you lay H at BF for for £10 @ 4.0 = £10 profit or £30 loss

If H win thats a £40 profit from back bet - £30 loss from lay bet = £10 profit over all
If D or L win it would be £10 loss from back bet and £10 profit form lay bet and = £0 over all

So your in a no lose situation once you have backed higher than you lay it does not matter if you back on Betfair, Will Hill or Coral etc and Lay on Betfiar or Betdaq
You would profit only if Home won but lose nothing if it was a Draw or Away win so greening up spreads that £10 Home profit across all three selections for a lesser but equal profit no matter what the end result

Its the same on horse racing or any sport - back higher than you lay for the same amount and you can't lose but will only profit if that selection wins.
So by greening up you have a equal profit across all selections
skotten84
Posts: 42
Joined: Thu Mar 10, 2016 3:36 pm

Dallas wrote:If you back H at WH for £10 @ 5.0 = £40 profit or £10 loss
If you lay H at BF for for £10 @ 4.0 = £10 profit or £30 loss

If H win thats a £40 profit from back bet - £30 loss from lay bet = £10 profit over all
If D or L win it would be £10 loss from back bet and £10 profit form lay bet and = £0 over all

So your in a no lose situation once you have backed higher than you lay it does not matter if you back on Betfair, Will Hill or Coral etc and Lay on Betfiar or Betdaq
You would profit only if Home won but lose nothing if it was a Draw or Away win so greening up spreads that £10 Home profit across all three selections for a lesser but equal profit no matter what the end result

Its the same on horse racing or any sport - back higher than you lay for the same amount and you can't lose but will only profit if that selection wins.
So by greening up you have a equal profit across all selections
Thanks for this! Finally clicked :)
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