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Racehorse TALK

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Author Topic: Staking Approach - Comments Appreciated  (Read 10788 times)
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dubbledee
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Original Post 2009-Sep-14, 03:36 PM

I'm always the one to argue against rigid staking systems, but looking at the results of the Fortune 500 Challenge I'm currently running with wenona, I'm putting up this for comment and criticism.

We start with $1000, and will have a series of 10 bets.  (They can be win, or place.)

The base stake for each bet is $100.

For the first 5 bets (#1 to #5), any return from the bet is distributed evenly among the remaining bets, and added to the base stake.  Say bet #2 yields a return of $240, we add $30 to the stake for each of the remaining 8 bets.

For bets #6 to #9, should they be successful we RETAIN THE STAKE, but distribute the PROFITS evenly among the remaining bets.

Obviously for bet #10 ya keep the lot. smiley

(The bets could be managed simply by a spreadsheet.)

The "system" would be best applied to the "best bet of the day", IMO, and has the advantage of removing the impulse betting which defeats many of us as we bet race to race.

I have no idea what sort of frequency of returns/odds would be required to turn the $1000 into something more than $1000, but it seems a reasonable approach.

Look forward to comments.

Addendum 17.12.09

I used the staking strategy discussed in this post in the recent Melbourne Cup Match Race Challenge.

Here are the results where $100 was turned into $237:

Bet #1 $10 - 07.11.09 BR6 #4 ANOTHER TAKEOVER 2nd $18.13 BANK = $108.13

Bet #2 $12 - 11.11.09 BR6 #2 OUR MOSCATO ($2.00) u/p BANK = $96.13

Bet #3 $12 - 14.11.09 BR6 #5 OUR LUKAS 1st $25.80 BANK = $109.93

Bet #4 $16 - 18.11.09 BR2 #1 BULLION BAY 3rd $23.20 BANK = $117.13

Bet #5 $20 - 21.11.09 BR2 #7 REFLECTION OF JADE 1st $38.00 BANK = $135.13

Bet #6 $28 - 25.11.09 BR1 #7 FLY WITH ME 3rd $50.20 BANK = $128.00 SAFE = $29.33

Bet #7 $34 - 28.11.09 BR8 #2 SECRETS UNTOLD 1st $66.30 BANK = $126.00 SAFE = $63.63

Bet #8 $44 - 05.12.09 BR6 #4 EMMA'S HEART ($2.70) U/P BANK = $82 SAFE = $63.63

Bet #9 $42 - 09.12.09 BR7 #3 ELUSIVE PORT 1st $75.60 BANK = $73 SAFE = $106.23

Bet #10 $73 - 16.12.09 BR5 #7 SPANISH FLING 1st $131.40  BANK = $0  SAFE = $237.63


Although not part of the Melbourne Cup Challenge, a second series of bets has been placed on the same plan as above.  (see Melbourne Cup Challenge thread).

$100 returned $881 from 10 successful place bets.

We've had another run of 10 bets.  This time all were again successful, and the $100 was turned into $297
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« Last Edit: 2010-Apr-12, 02:07 PM by dubbledee » Logged
 
dubbledee
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2009-Sep-16, 10:28 AM

Just on the share investment comment, there's no evidence that spreading investments is any more profitable than putting all the investment into one.  It all depends on which one.

What is unchallenged is that the investor feels more comfortable having a spread.  That doesn't mean it's the right thing to do.
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calgary
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2009-Sep-16, 10:29 AM

Just on the share investment comment, there's no evidence that spreading investments is any more profitable than putting all the investment into one.  It all depends on which one.



This comment ignores one very important word though DD.....risk!
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dubbledee
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2009-Sep-16, 10:29 AM

Yes, granted, but it's all about comfort.

If the one share ya buy is a good one, that'll be a good decision.
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dubbledee
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2009-Sep-16, 10:32 AM

Let's not forget that some share gurus advise us to keep buying a particular share when the price is falling.  Why?  "To average your losses."  Now that is downright stupid.
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el zoro
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2009-Sep-16, 10:34 AM


Yes I agree, if they are having too many bets each week (but how many is too many or too few?) . I guess they would have to keep records of how many bets they have before their stats go down. Like group them into lots.
Lot 1 Best bets 3 bets
Lot 2 Next best 3
Lot 3 Next best 3
Lot 4 Next best 3
then after a year or so of keeping records you may find Lot 1 & 2 are way ahead of Lots 3 & 4. So then deicde to only bet on Lots 1 & 2.  


With staking, If you're shooting at 50% strike rate then I guess you're aiming at increasing you're stake each time you miss? This can be fraught with danger but you'd have to research your own number of outs of your system. You could always CAP your top bet so you wouldn't go broke. Undecided
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calgary
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2009-Sep-16, 10:35 AM

My immediate thoughts on reading the staking system....don't like it.

Why? Reasons a bit along the vein of DD. As a horse doesn't know how much we have bet on him, a punter to some extent, doesn't really know the order of the succcess of his bets (not explained very well). For example if your a place punter striking 70% you would expect to tip 7 winning bets out of 10 - but in what order?

W L W L W L W W W W W W
W W W W W W W L L L
L L L W W W W W W W

The staking method put forward here seems to be to assume we know something about the pattern of success. But if we knew the pattern obviously we would have a 100% strike rate and the discussion would be moot.

For that reason I am generally a level stakes punter. I might implement a staking arrangement like this if I was at the track for the day and using a mentality like DD mentions above (max loss, any return a bonus).

Maybe the idea of Wenona's works better - which is similar to this but puts together bets into blocks of larger samples.

Interesting discussion nonetheless!
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dubbledee
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2009-Sep-16, 10:48 AM

Yes, it is interesting to hear views on staking.

The discussion on an overall or general approach is understandably different to dealing with "the best bet of the day" - which is what I was working on (see opening post).

As mentioned earlier, I can see merit in writing off a given amount - as wenona and I have done with our stake in Fortune 500 - and sitting back and hoping there's something to spend at the end of the "series".

I don't know anyone who uses a rigid staking system on the punt.  We all read about the "systems" in the racing mags, but I doubt if there are many who use them.  As we'd acknowledge, what works fine "on paper" and in retrospect might be a total failure in a prospective trial.  Plus, when doing it live, all the emotions come into play.
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Clibbo
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2009-Sep-16, 10:57 AM

www.horseracingsoftware.net     Target Staker, download it free.  Several methods for recoup, profit. I downloaded it and a Dutch betting one. Target Staker is a bit harsh.
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monologue
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2009-Sep-16, 10:58 AM

The Equestrian e-Book of Staking Plans was put out years ago in print out formula.

It was put out by Practical Punting and is well worth a read .

I don't use a staking plan as I am short on discipline as are most punters, but if used in conjunction with a successful system then it could be just the tool needed to finish ahead of the rest.
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el zoro
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2009-Sep-16, 11:03 AM

Just on the share investment comment, there's no evidence that spreading investments is any more profitable than putting all the investment into one.  It all depends on which one.

What is unchallenged is that the investor feels more comfortable having a spread.  That doesn't mean it's the right thing to do.



Think you're missing the point about the reason for spreading your investments. First of all it's NOT to be more profitable. It's simply protecting your investment. For example if you've saved up all year & then go to the track for 1 big day. smiley then you could put your $10,000 on ONE horse & you would have the biggest reward or biggest loss with this strategy. If you wanted to protect your investment, you might rather have 20x $500 bets. Your chances of getting some money in your pocket is greatly enhanced BUT you won't get anywhere near as much as the single bet that comes off. What would you rather do? Some would say only an idiot would put it all on 1 horse, depends on your outlook & what you are COMFORTABLE with doing. Same applies in sharemarket, big reward/risk to buy a single share compared to heaps of them.


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dubbledee
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2009-Sep-16, 11:06 AM

Understand all that, EZ.  But we only know if it's been a smart strategy after the event.

I don't think share market investing is analagous to picking a horse and having a bet.

I spend a fortune on insurance each year.  I might as well have burnt the money, to date.  But it gives me comfort, and reduces risk.  Doesn't mean it's smart. chin
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Wenona
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2009-Sep-16, 11:17 AM

DD, I'd call our staking plan progressive rather than flat.

We've outlayed about $2200 which works out about $40 per betting week.

Out POT is around 7-8% on that figure.

If you just backed every one of our 114  selections with a flat bet you would have a profit on turnover of around 28-29%.

But you can't really compare our actual results with us betting $20 on each selection (t/over approx $2200) because despite now having a good level stakes return, I think we probably would have gone broke during my run of outs.

The pattern of my results has been bizzarre in the extreme and this makes any comparison problematic.

From a theoretical point of view, staking systems can increase your probability of making a profit (particularly in the short term), but what they can’t do is increase the fundamental profitability of your selections ie your Expected Value.

They basically can:

i) Increase the probability of a profit being made.
ii) Decrease the probability of a loss being made
iii) Decrease the potential size of any profit made
iv) Increase the potential size of any loss made.
v) Have no effect on your fundamental expected value.

The martingale system betting on an even money bet is the obvious example where you keep doubling your bets until a profit is reached. At the end of a series you will either win one unit or go broke.

The bigger the number of selections or series you run using the staking plan the higher the probability your actual results will tend towards your expected value. Ie if your selections fundamentally lose money, the longer you play the more you increase your probability of going broke, despite increasing your probability of making a short term profit.

Methods that incorporate principles around the Kelly method probably make the most sense but can be impracticable  for most bettors. Also it relies on every bet having an intrinsic positive expected value.

In practice, I would recommend that anyone who feels they can make selections that would show a level stakes profit to use a set percentage of bank strategy, be that on an individual bet basis or some type of step basis. Eg Start Bank $100, bet 3% or $3 until bank reaches $500 then bet $4 until bank reaches $800 then bet $6 etc. Just keep in mind that the higher the percentage of your bank you bet, the higher your flat stake profit percentage needs to be to avoid an unacceptable probability of going broke despite the positive expectation of your selections.



« Last Edit: 2009-Sep-16, 11:20 AM by Wenona » Logged
dubbledee
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2009-Sep-16, 11:24 AM

wenona

The flat-stake return on our bets is surprising.  So what we're doing isn't smart (comparing the POTs).  Or maybe there's a sequence of results that would make it smart?

As to your own record being "bizarre", I wouldn't say that.  Each bet is an independent event.  If the chances of you picking a winning is (say) 1 in 4, by chance alone there'll be runs of outs as you experienced.  We'd just prefer they didn't occur when our money is on. lol
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el zoro
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2009-Sep-16, 11:27 AM

Always a smart strategy to protect your investment.

Agree investing in Sharemarket is not exactly the same as a single horse bet it was just an example. The difference is with the market you are betting on a share over a longer length of time. If you want to compare the market with horseracing then you would have to do it with a system that has many series of bets.

Insurance is just that, you're paying for peace of mind. It's not an investment.
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Wenona
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2009-Sep-16, 11:41 AM

wenona

As to your own record being "bizarre", I wouldn't say that.  Each bet is an independent event.  If the chances of you picking a winning is (say) 1 in 4, by chance alone there'll be runs of outs as you experienced.  We'd just prefer they didn't occur when our money is on. lol



I estimate the probability of having 24 losers in a row in 57 bets when your 1 in 4 of picking a winner as around 14%.

I find that surprisingly high actually, and just shows what you can expect even when your picks are profitable in the long run.

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