Can this be done?

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Can this be done?

Postby Ferru » Wed Oct 24, 2007 9:16 pm

I'd like a spreadsheet which:

A. Prior to the off, lays the entire field at the going rate for each horse. Dutching would be employed, so that highest amount is layed on the favourite, and the lowest amount on the outsider.

B. At the start of the race, back all the horses at one tick higher than the price at which they were laid, for the same amount of money.

C. Greens up with each horse once the in-play bet is matched, so a profit is made whichever horse wins.

Can this be done, and if so does anyone have any suggestions on how to program it?

Thanks

Jeff
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Postby pugs » Thu Oct 25, 2007 9:35 am

Hello Ferru (Jeff)

Yes it is possible through BA/Excel, maybe even the autobet in the Alpha (not sure about that though) here's a helpful post to get you started
http://www.gruss-software.co.uk/forum/v ... php?t=1836

Just a couple of points though, unless i have totally misunderstood your post.

Why lay the whole field at the going rate? If you could lay the field to 100% book (which is unlikely) then you would just end up with zero profit/loss on every runner. (But in reality you will almost certainly just end up with a red screen) Unless i'm still asleep wouldn't just backing the whole field at one tick better than best just active the same profit.

And secondly. One tick would average well under 5% profit, so you would have to have a strike rate of well over 19/20. You will certainly get all you loosing back bets matched every race but i can think of many instances where the winner has never traded higher in-running.

Jeff if i have misunderstood you sorry, if not i hope you paper trade this system first, gl.
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Postby Ian » Thu Oct 25, 2007 12:03 pm

I can't see how that could possibly work.
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Postby GeorgeUK » Thu Oct 25, 2007 3:51 pm

It is a bit of a puzzler.

It looks like he wants to lay all the horses prerace, then back them all inplay at a higher price.
Fair enough if all the prices go above the price at the start.
But if they don't...

Not sure at what time the greenup would come into play (or is this not an actual step in the process?)
It might be better to papertrail this - don't think it would work so well for the shorter distances.
Alot of the time, the fav would stay the fav so you may lose out by having layed it at the start.
previously known as Gaseous (on the betfair forum)
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Postby Ferru » Sun Oct 28, 2007 12:02 am

Hi. My theory is that most of the time, the vast majority of horses will drift, however slightly, at some point during the race, so I will make a profit. I thought it would be interesting to try this system out with very small stakes.

Jeff

GeorgeUK wrote:It is a bit of a puzzler.

It looks like he wants to lay all the horses prerace, then back them all inplay at a higher price.
Fair enough if all the prices go above the price at the start.
But if they don't...

Not sure at what time the greenup would come into play (or is this not an actual step in the process?)
It might be better to papertrail this - don't think it would work so well for the shorter distances.
Alot of the time, the fav would stay the fav so you may lose out by having layed it at the start.
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Postby Ian » Sun Oct 28, 2007 8:27 am

You are wrong, Ferru. Whilst you may make very small profits on a number of races you will soon lose them when you can't back the eventual winner at a larger price eg when the favourite is slow away or falls at the first. Also what's the point of laying them all first ? You are just giving away some of the potential profit.
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Postby Ferru » Sun Oct 28, 2007 11:41 am

I'm not sure it's quite as clear-cut as that. :) What if the number of horses that rise in price is such that I still make a profit?

As for the purpose of laying before backing, it's the principle of laying low and backing high to make a guaranteed profit.

I'm not convinced that this will make money, but I would like to try it out with small stakes.

Jeff

Ian wrote:You are wrong, Ferru. Whilst you may make very small profits on a number of races you will soon lose them when you can't back the eventual winner at a larger price eg when the favourite is slow away or falls at the first. Also what's the point of laying them all first ? You are just giving away some of the potential profit.
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Postby pugs » Sun Oct 28, 2007 1:26 pm

As for the purpose of laying before backing, it's the principle of laying low and backing high to make a guaranteed profit.

Yes, if your only laying a few runners, but just think about it for a minute, you want to lay the whole field. If it were a 3 runner race and you could lay each horse at 2/1 it wouldn't matter if you layed them for £1 or 50k, each bet would just cancel every other bet out.

You will acheive your goal just by backing them all at 3.05.

Small stakes and gl.
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Postby Captain Sensible » Sun Oct 28, 2007 3:05 pm

I've tried it before with a spreadsheet backing the field at say 95% in running. Works sometimes but the percentages you'll catch just won't win in the long run as your edge will be very small and a big priced winner unmatched will take a lot of gettig back.
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