Winning Price stats

The sport of kings.
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ruthlessimon
Posts: 2094
Joined: Wed Mar 23, 2016 3:54 pm

ShaunWhite wrote:
Wed Oct 17, 2018 9:49 pm
They would all be zero (ish) on a large enough sample?
Could be. This is one of those awkward dilemmas - a sample that's too big is called generic; & one that''s too small gets called insignificant.

The bit that's "interesting" was a sample of 564 trades over a 4mth period.
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Last edited by ruthlessimon on Wed Oct 17, 2018 11:27 pm, edited 1 time in total.
elofan0
Posts: 321
Joined: Fri Jan 13, 2017 4:44 pm

price stats would change from different events

https://www.flatstats.co.uk/blog/turf/nursery1.html
ColinB
Posts: 2
Joined: Thu Oct 18, 2018 2:51 am

Big thanks Spreadbetting, these figures more or less confirm an idea that has been floating around in my head for a while.
If I could ask 1 more favour .... Could you confirm the date range that these figures were compiled in.
This will enable me to keep my preferred price range up to date from here on in.
Much appreciated,
spreadbetting
Posts: 3140
Joined: Sun Jan 31, 2010 8:06 pm

ColinB wrote:
Thu Oct 18, 2018 2:59 am
Big thanks Spreadbetting, these figures more or less confirm an idea that has been floating around in my head for a while.
If I could ask 1 more favour .... Could you confirm the date range that these figures were compiled in.
This will enable me to keep my preferred price range up to date from here on in.
Much appreciated,
27-03-2008 to 16-10-2018 , think it's all the data files since Betfair started releasing them. Think that's why some of the data has been reported as 1001, rather than 1000, in the early files. I'd also imagine the BSP prices are a lot closer to 100% books these days but the older data shouldn't skew the final figures much
ps1967
Posts: 36
Joined: Tue Mar 23, 2010 11:39 pm

spreadbetting wrote:
Wed Oct 17, 2018 2:07 pm
SeaHorseRacing wrote:
Wed Oct 17, 2018 1:38 pm
spreadbetting wrote:
Wed Oct 17, 2018 12:57 pm
I can do you a dump from my database but there are over 50'000 unique BSP's that have been returned so you'll have to tweak the file yourself if you want it in bands, I can dump out the number of selection, number of winners, number of dead heats so easy enough to work out strie rates from those
Yes please
Here you go hopefully it's all quite obvious, in xlsx and wouldn't let me upload to the forum as csv or xls for some reason probably too large for the forum but only Mb's

http://www.mediafire.com/file/6owe99dlz ... .xlsx/file

Shouldn't be hard for you to query it in bands with a few sumifs, I stuck a simple range checker on it
You wouldn't happen to have something like this for greyhounds would you? Or any idea where I could possibly get something similar?
spreadbetting
Posts: 3140
Joined: Sun Jan 31, 2010 8:06 pm

Never bothered to collect the greyhound files but they're all here if you need them

https://promo.betfair.com/betfairsp/prices

There's an excel scraper somewhere on the site so you can automate the downloading of them

Here's the downloader Nigel made

viewtopic.php?f=54&t=14395
ColinB
Posts: 2
Joined: Thu Oct 18, 2018 2:51 am

Many thanks for the info, much appreciated.
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