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Can anyone post on the x-matching thread

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Replies: 213
By:
aye robot
When: 30 Nov 10 10:52
I'd like to re-state that although this is bad for me, I don't object. I'm stating the problems because people are raising questions and because I'd like to discuss it, but if this comes across as complaining then please forgive me, I'm not complaining.

Ultimately I agree with Brendan that what we're facing is a better player- or a player who has a colossal advantage at any rate. Ultimately it's Betfair's exchange and they can rig it any way they like as long as they're transparent about it - which they have been. I entirely understand why they've done this and I would definitely do the same (and much more besides) in their shoes. I've been dining out on Betfair for a couple of years now and it's been fantastic. I intend to do the same for some time to come but if it does end for any reason then that's life and I don't intend to b1tch about it.
By:
aye robot
When: 30 Nov 10 10:59
Dont get sucked in by ego and think you can beat it, as all the data you have will be before this was implemented and that itself will carry extra risk

Again, I agree with Brendan. I'm currently doing about 10% of my usual volume whilst I work out what's happening. I am winning so I'll be gradually scaling up as I adapt but I'll be doing it with great caution and I'd recommend anyone else to do the same. It's important to avoid "gain" psychology, when you're winning scale up slowly, if you're losing keep scaling down steadily for as long as you keep losing until you can't scale down any more, at that point you admit defeat and stop. The other way round leads to ruin.
By:
Ghetto Joe
When: 30 Nov 10 11:01
Maybe you should take that halo off once in a while aye robot. Sure it's betfairs exchange and sure we'd all do something similar if we owned it. Doesn't mean it's right though, basically we now have betfair seeding their own markets with our bets without passing on any of the real benefits x matching should bring the users betting on here.
By:
Lori
When: 30 Nov 10 11:03
as long as they're transparent about it - which they have been

Um, only after being caught!
By:
aye robot
When: 30 Nov 10 11:08
GJ- I just don't want to be a winger. We all know the rules and choose whether to play or not.
By:
brendanuk1
When: 30 Nov 10 11:16
I think that other than pure horse racing players, we've all moved on now

Where have you gone Lori? I am thinking of moving on and getting a job [:o]
By:
Lori
When: 30 Nov 10 11:18
haha brendan.

I mean moved on from whining about it (much) and accepted that profits have taken a hit and learned to deal with it... unlike the PC which is still an ongoing concern.
By:
brendanuk1
When: 30 Nov 10 11:20
ok cool i thought there was some secret exchange somewhere where all the shrewdies are hanging out Laugh
By:
Ghetto Joe
When: 30 Nov 10 11:31
Aye robot, complaining and whingeing aren't necessarily the same thing. People on here will make snap judgements about everyones motives so it's really not worth the effort trying to convince them otherwise.
By:
Muqbil
When: 30 Nov 10 12:30
Did the rapid increase in numbers of oncourse players improve your overall p/l, ay robot?

btw, thanks for the detailed earlier reply. Makes sense.
By:
birch2
When: 30 Nov 10 12:48
Muqbil

History has shown us the fast pic players are the first to complain when something starts to affect their bottom line.

although bf are the big rakers of this change - the fast pic gang will get better bet execution than before. No way will bf look to level the pic playing field - they have shareholders to look after !!
By:
Bayes.
When: 30 Nov 10 12:58
The fast pic gang will not be better off. Every mistake they make backing at odds too short gives Betfair a freeroll. When they get it right they may get a bit extra, but when they get it wrong they may well be giving the lot to Betfair.
By:
birch2
When: 30 Nov 10 13:23
the times they get it right to the times they get it wrong - will overall increase their profit
By:
Bayes.
When: 30 Nov 10 14:06
Betfair win, losers lose more slowly and now winners win more. Afraid that does not compute.
By:
birch2
When: 30 Nov 10 14:17
BF win major part  - fast pic (low margin) players win slightly more than normal - the total of this is what the bot layer (that robot describes) loses as a result of this change - now that computes
By:
brendanuk1
When: 30 Nov 10 15:16
Never done horse racing but in football the margins were slashed, then when everyone adjusts the margins get very very tight, so tight that apart from the very good players you might aswell be gambling having a punt as most even better than average players then move into mug territory in comparison (plus commision plus PC) All in my opinion of course.

Maybe thats the idea eventually betfair will be dealing with a handful of people/companies and the PC issue can be dealt face to face.
By:
Rocket to the FACE
When: 30 Nov 10 15:28
When was cross matching in football introduced?
By:
Rocket to the FACE
When: 30 Nov 10 15:30
Sometime last year wasn't it?
By:
brendanuk1
When: 30 Nov 10 15:36
It was while ago dont know when. Problably at same time as wiljons thread would imagine. will have a look
By:
brendanuk1
When: 30 Nov 10 15:37
Wiljons (god bless him) posted on 06 Mar 08
By:
brendanuk1
When: 30 Nov 10 15:40
wiljons actual example in his first post is Match Odds - Football
By:
brendanuk1
When: 30 Nov 10 15:51
Again from wiljons thread

the percentage on the back side read 102.9
the percentage on the lay side read 95.7


[:)][smiley:crazy][:(]Cry

You havent seen a spread like that anytime recently on any footy game of note, Man U tonight its 100.7 - 99.3
By:
Rocket to the FACE
When: 30 Nov 10 15:56
I see, thanks. So it was here before I started betting here.

I don't usually bet in Match Odds but find plenty of large spreads elsewhere.
By:
betting_quant
When: 30 Nov 10 16:43
So i take it that we have all finally agreed that this is a good thing
By:
brendanuk1
When: 30 Nov 10 17:09
If you cant price the market within a few precent ie a regular punter have to admit its a good thing for them. Since money goes round longer betfair take more + the skim bit, so good for them

For the handful of very good players not 100% sure they arent hedging from elsewhere anyway. The "middle classes" get hit, 

There is the swedish company in football and non racing markets, maybe racing will be bit better as they dont have to deal with a very big and very good player already.

all in my opinion, just guessing really, just speculating for fun
By:
brendanuk1
When: 30 Nov 10 17:16
the swedish company work on 0.5% margain if anyone doesnt know, They are quite helpful in that they publish accounts
By:
Ghetto Joe
When: 01 Dec 10 00:21
According the the GC's report they started out 18 Feb 2008 , dunno what date they admiited to it though, rocket

http://www.gamblingcommission.gov.uk/gh-media/latest_news/2008/betfair_limited_betfair_and.aspx

Cross matching was introduced without informing customers in advance. BGB made revenues of approximately £300,000 from the inception of cross matching until the end of March 2008.

They made £300K from 18/2/08 to 31/03/08 and I doubt they were live over many markets during that initial period.
By:
Ghetto Joe
When: 01 Dec 10 00:24
Although to be fair it's only entered as revenues not necessarily profit on the x matching
By:
Getafix
When: 01 Dec 10 12:26
By: Ghetto Joe
Date Joined: 24 Jan 05 Add contact | Send message When: 29 Nov 10 19:53 Pre-play racing cross-matching trial Betfair Customer Services

Following the successful launch of cross-matching on in-play racing markets, there will be a trial of cross-matching on pre-play racing markets.

On Tuesday 30th November, cross-matching will be turned on in all of the win markets at Lingfield Park. It will be switched on at around 8am and should remain on until the end of the race.

We don’t expect customers to notice any material difference in the way the markets operate at Lingfield Park.


There has been no announcement yet whether this was successful or whether this will be going ahead in the future?  I assume the non-runner issue isn't that great a problem if they are trialling (don't fully understand implications - I need to put some thought in) but I am not expecting we will get much notice of pending "going live" (for a change lol).
By:
Getafix
When: 01 Dec 10 15:52
Having just given this a bit more thought, I can see this as being a small benefit to the majority of punters, including the pro's (for pre-race cross matching) mainly because the majority of the time the books are overround and as such the cross matching isn't initiated.  When the books do go underround the service betfair could provide would benefit the positional player's as they are more likely to get a better price (instead of going to the overround/underround bot operators).  Perhaps positional players who "ask" for prices could lose out slightly but I'd expect this to be more a case of "swings and roundabouts"?  Am happy to be proved wrong, I don't bet as much on the nags as other sports but enough for this to be of concern.
By:
mythical prince
When: 01 Dec 10 19:31
has this cross-matching been done on the horse racing place markets as well? because that would be an even more extreme example of gaps in the prices it seems to me and where betfair would like to increase liquidity.
By:
scarecrow
When: 01 Dec 10 20:08
they will only fill the gaps in if they can match a bet for no loss or nick a fraction on it,then they get commision of the winner as well not bad work if you can get it imo.....
By:
Yaldee
When: 01 Dec 10 20:54
Pre-Play I doubt they make much, few pence here and their ,Markets
are too quiet early on

I think the risk outweighs the reward , Just takes an outsider
to refuse to go into the stalls 0% Reduction & Lay side would have
a big red

Non Runners not in line with the reduction factor could be costly

In-Play must be a massive earner though
By:
Lori
When: 01 Dec 10 21:16
I don't bet as much on the nags as other sports but enough for this to be of concern.

All other sports have had the cross matching for months, so you should be used to it!
By:
Getafix
When: 01 Dec 10 21:58
Lori that is true, I am perhaps penny pinching as this is the only sport I bet on which has numerous runners/selections.  I.e., The Investor explained earlier (on this thread I think or 100k one?) how he tries to ensure he gets best execution by placing one side of the bet before the other. I do something similar but in markets with more than about 3 possible outcomes it becomes extremely difficult to do that kind of execution if you wish to stake to a certain amount.
By:
aljohnson
When: 03 Dec 10 00:27
Cross matching now on the Australian MarketsSad
By:
Lori
When: 03 Dec 10 00:39
I've seen two people say that now, can you direct me to the post where it says it please as I appear to be being rather dumb Sad
By:
aljohnson
When: 03 Dec 10 00:46
Hi Lori
Its under Australian on the Sports Forum Menu
By:
Lori
When: 03 Dec 10 00:48
Thanks al.

Fairly obvious in hindsight, although I'm betting on the Ashes and there's no announcement in cricket OR in service.

Got it now.
By:
aljohnson
When: 03 Dec 10 01:01
Yeah it took me a while to find it. I was wondering why there was no overounds when the first 2 wickets went so I looked back through the ashes thread and someone had posted it up. I thought it would have been in the Service posts TBH.
I asked Betfair why they were not using XM on the Australian Markets last year and they said they did not have approval from the Australian Regulator.
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