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Value Betting

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Replies: 215
By:
aye robot
When: 11 Feb 11 14:55
For the millionth time.....

You can't ever tell the value of an individual sports bet definitively either before or after the result. You can only see the average value in a set of results, and even then only in probabilistic terms. If you strike 100 bets at 2 and win them all then it's overwhelmingly likely that you have struck some pretty awesome value.
By:
greedkillsmybankagain
When: 11 Feb 11 14:55
aye robot
are u a backer
a layer
or trade in running?
By:
aye robot
When: 11 Feb 11 14:57
Mostly IR horse bots. Will bet any old how if it's likely to be value.
By:
greedkillsmybankagain
When: 11 Feb 11 15:00
but are these bots greening up in running?
By:
FINE AS FROG HAIR
When: 11 Feb 11 15:02
Robot
I agree with the statement that you never  " know  " value in betting on a sports event.
But the Kelly followers, have to try to estimate it as successfully as they can, BEFORE the event.
By:
aye robot
When: 11 Feb 11 15:05
FAFH: 09 Feb 11 15:21


greedkillsmybankagain:
Not exaclty, I just strike a whole bunch of (hopefully) value bets, that said, I very often come out green.
By:
zipper
When: 11 Feb 11 15:25
Mister  Management, zip here , 4  things  you  admire  about me   on the first 3 your spot on   not  convinded  about the lucky pin stuff .. zip dont do luck,  luck runs out  . But knowledge  is for ever you should try it someday
By:
zipper
When: 11 Feb 11 15:38
Re the guy  about  gambing  joints who  played the  52 deck pack   they only played  to the holiday makers ,  card counters  were not  welcome    but that was   19 years ago  move on I did .
By:
Sandown
When: 11 Feb 11 15:44
From Wikipedia, the free encyclopedia
.
Illeism is the act of referring to oneself in the third person instead of the more appropriate first person.

Illeism is sometimes used in literature as a stylistic device. In real life usage, illeism can reflect a number of different stylistic intentions or involuntary circumstances


Illeism is also a (literary) device used to show idiocy, such as the character Mongo in Blazing Saddles, e.g. "Mongo like candy" and "Mongo only pawn in game of life."


Illeism in everyday speech can have a variety of intentions depending on context. One common usage is to impart humility, a common practice in feudal societies and other societies where honorifics are important to observe ("Your servant awaits your orders"), as well as in master-slave relationships ("This slave needs to be punished"). The use of illeism in this context imparts a sense of lack of self, implying a diminished importance of the speaker in relation to the addressee.

Conversely, in different contexts, illeism can be used to reinforce self-promotion, as used to sometimes comic effect by Bob Dole throughout his political career.[2] This was particularly made notable during the United States presidential election, 1996 and lampooned broadly in popular media for years afterwards.

Similarly illeism is used with an air of grandeur, to give the speaker lofty airs. Idiosyncratic and conceited people are known to either use or are lampooned as using illeism to puff themselves up or illustrate their egoism.



Anyone on this forum spring to mind?
By:
zipper
When: 11 Feb 11 15:52
Sandown , that seems like me ....Zipper  .. And your point is ???
By:
Sandown
When: 11 Feb 11 15:55
Zipper

I think my point is obvious - read the last para again.
By:
zipper
When: 11 Feb 11 15:57
Sandown  i dont need to read  anything  twice   ive had a very good eduction , now your point is  put up or shut up ////
By:
Magical Feast
When: 11 Feb 11 16:52
aye robot
Shame he wasn't wise enough to figure out that if you never back a loser you must be betting at very good value.


Or maybe the point is.. everyone does bet losers (unless its treble twisted). So value does obv matter.?
By:
Trevh
When: 11 Feb 11 23:07
so unless you can point to a problem in the maths you'll have to concede that the matter is settled.

Haha! You implied at first the overall house edge is 0.0007%, corrected to 0.007%, then you said it depends on the punters at the table. So in conclusion, what is the overall roulette house edge, which was the original question. I said it is 2.7% and you have yet to answer.

If you're not clear on it I really would encourage you to work through a simple example (given above) - work out what the return is and what the risk is on backing 30 bets at 3 with a true value of 2, then laying 30 bets at 2 with a true value of 3, this will illustrate the point perfectly.

Rather patronising.


It's a massive mistake to say that things "can't happen in the real world" [snip]
I can't think off the top of my head how you can quickly calculate how many times you have to spin a roulette wheel before it becomes likely that you'll hit 37 consecutive zeros (I'm not very strong on maths - I  only know the basic stuff) but doubtless someone will post it up very shortly - and I would say think of this:
How many roulette wheels are there in the world?
How often are they spun?
How long has that been going on for?
The odds against something may be large, but if you spin the wheel enough times it will come up.


No it won't, not before the Sun dies and Earth is no more! I'm very surprised that you believe it's possible. I believe the longest run of just under evens shots ever recorded was around 35. The chance of spinning 37 zero's has a statistical significance of zero, which renders your 0.007% edge theory inappropriate, and would result in severe under staking.
By:
Lori
When: 12 Feb 11 09:14
What you are discovering is why when you use Kelly you have to put in the chance of winning as well as the edge.
By:
argosy
When: 12 Feb 11 11:46
OK then.
Lets assume you price up 2 horse races and make your favourite 2/1 in each.
They are 3/1 and 10/1 respectively. Your tank is £1,000.
How much do you stake on each? What would be your base stake and how much after applying your Kelly coefficient?
By:
zipper
When: 12 Feb 11 11:55
The 1k on the 3/1 shot , Why i could not be that so far out  .. lets see gamble on .
By:
Lori
When: 12 Feb 11 11:57
20.69% on the 4.0 shot
28.74% on the 11.0 shot
By:
Lori
When: 12 Feb 11 11:58
.
http://www.sbrforum.com/betting-tools/kelly-calculator/

If they're on seperate races, note that you only bet 11.11% on the 4.0
and 26.67% on the 11.0, but as you're betting on a combined better chance within the same race you can bet bigger.
By:
zipper
When: 12 Feb 11 11:59
The Management , watch your words  they all try  some try harder than others .. some are  trying to win  some are trying to get their H/C   mark down .. some are trying to be races horses .   the rest are very trying .. its only a bit of fun .
By:
Lori
When: 12 Feb 11 11:59
Also note that if you bet on two individual horses running in different races at the same time you have to lower your stakes to 23.70% and 8.15% because you have more money in play.
By:
zipper
When: 12 Feb 11 12:02
Lori forget that  nonsence .......put em in a win double
By:
Lori
When: 12 Feb 11 12:04
You actually should have a double of 2.96% on top of the two singles with correct play zip.
By:
zipper
When: 12 Feb 11 12:08
Lori , you lost me  whats   what you say 2.96%  on each  ///// whats  2.96  of a grand .. these kids  and if it won  how much do we have on the next cert .
By:
Lori
When: 12 Feb 11 12:11
If it wins we take wifey out to a nice lunch and buy nursey some flowers.... unless you fancy doing that the other way around for a change of course. Nursey might prefer that.
By:
zipper
When: 12 Feb 11 12:19
The Management.   Heres how to play a  yankie  11  bets  any one lose  you have  lost  7 bets   your down to 4 bets  another on  gets beat   your down to a  double . that cost you 11 points   . forget that  play it this  way  3 pionts win  4 timer   IF  they all go in  it works out  a bit more than the  yankie  .. for £12  quid you can have  4 shots at it    zip
By:
zipper
When: 12 Feb 11 12:35
MT  your so right   very few of my win bets are unplaced   thats why i bet 1 win..6 place   2 win ..18 place  on the other hand if its a cert   ALL IN  my max  and yes i  do have a max ..  The other   part of my income is laying .
By:
zipper
When: 12 Feb 11 12:58
The Management,  When i feel like that  headache , pains all over  well go into a dark room, lay down  take  about 3 sleepings pills   about   3 Anadin  a bottle of Jack  Daniels  .. Oh and dont forget the Nurse   about 6.00pm to night you will be fine....  promise  .
By:
zipper
When: 12 Feb 11 13:13
Mister Manager   zip forgot to say the nurse has to have a white shirt and white  suspenders .. other wise it dont work   be happy
By:
argosy
When: 12 Feb 11 13:27
Lori
Mathematical probability suggests betting 2/1 shots will produce a losing sequence of around 15 at some stage.
Therefore you will go skint very quickly as the stakes you propose will be unable to accomodate the losers. Even on a reducing balance there will be precious little left to stage a comeback.
By:
Lori
When: 12 Feb 11 14:00
The good news is that the rate you win at is fast enough to cover it either before it happens, or afterwards.

Also, the original problem was a 1/2 shot not a 2/1 shot.

Everyone is of course free to bet how much they are comfortable with, I merely gave the optimal numbers that can be mathematically proved (Assuming I didn't make an error with the calculator that is) to give the highest EG, which is what most gamblers want.
By:
Lori
When: 12 Feb 11 14:03
Just analyse the debunking I gave of the rubbish the pro gambler site produced where they recommend you bet more than your entire bankroll on every bet and you'll see this is entirely preferable unless you have a good loan company nearby. (10 Feb 19:09 post)

That's as detailed as I should need to go in fairness, it's quite clear you can't bet more than your bankroll in the real world, no matter how much he'd like you to.
By:
argosy
When: 12 Feb 11 14:17
Lori

With respect. A losing sequence is just that and is not dependent on the price of the horse. If the losing sequence is 15 then you need to cater for that plus some to get out.
In a world of infinte money Kelly works, so too does Martingale.
Unfortunately in the real world funds are limited.
By:
Lori
When: 12 Feb 11 14:25
Kelly caters for it. You'll need to read through the proof on Wiki if you want more info I've tried hard to explain it to you but it's not some hocus pocus, it's an actual mathematical proof.

Anyone who runs into a 1 in 14 million losing streak like you've described is going to have trouble no matter what the staking plan. Thankfully for all of us, that's the same chance as winning the lottery.
All we can do is allow for the times where we don't run into a lottery winning streak of bad luck and maximize what we win while we run "average"

You linked to a site that recommends betting more than your entire bankroll as level stakes on every bet, which is clearly silly.

I'm always happy to discuss opinions with other gamblers as it helps both parties to learn, I'm not however happy to have long discussions about things that are facts while someone says they're not, so I'll have to sign out of this discussion at this point.
By:
TheSnapper
When: 12 Feb 11 14:32
I just wanted to say how glad I am that there are still punters around like zipper.Happy
By:
zipper
When: 12 Feb 11 14:37
Thesnapper , would you like to  elaborate .. keep it clean   and remember  its fun
By:
TheSnapper
When: 12 Feb 11 14:58
I mean...dammit jim...thank goodness we all aren't number crunching computer geeks who never leave our computers and are afraid to wager a man-sized bet over the kelly limit for implied ranges on verified data sets! Thanks goodness, I say, for a manly-man-among men like mr zipper who damn well will stand up and wager a decent amount just because the damn horse is clearly going to run well...and then won't sit around and cry about a loser...he'll rush on and wager on the next race...never keep a good man like mr zipper down. cheers and all the best to you ... keep it up. Don't let this crew of nay-sayers and pencil-necks ..statisticians and other motley beatniks put you off.
By:
zipper
When: 12 Feb 11 15:20
The Snapper  zips his own man   this  3.45 warwick  Silver  Kate   about  15/8   lay it till your nose bleeds   ok thats  a bit  Aggressive   but thats the only way i know  cause my dad   was like that and he did ok
By:
zipper
When: 12 Feb 11 15:23
The Snapper just read your post  14.58   Heres one from zip   .......they  wont .
By:
TheSnapper
When: 12 Feb 11 15:26
that's just great man....KEEP ON ROCKIN IN THE FREE WORLD!!!...never stop being aggressive...double up those stakes when you need to!
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