Regarding O'Brien's record with horses where he has multi-entries (2 or more runners in a race) the following shows his record since 2011 with all runners in such races and filtered by Favoritism status & also Market Rank (SP) - along with various Betfair market metrics -Non Favourites as a group win around 10% but of course varies with position in the market AOB24.PNG
I would not specifically say that O'Brien campaigns his horses as you suggest , although does have higher race frequencies than say Gosden or Haggas
The following shows his average seasonal race frequency for 2yos and 3yos since 2011 - along with % figures of 5 runs and over for a 2yo and 6 runs and over for a 3yo AOB25.PNG
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Interesting stats .. One thing I would say is that they way certain types of horses are campaigned now is totally different from say 2011, and his use of racing aids has changed significantly as well . There was an interesting article ( among many ) by Kevin Blake re use of the tongue tie by O’ Brien
Between 2009 and 2013 he only used it once .. Yet between 2014 and 2016 he used it 82 times resulting in 14 winning when first used .
And Coolmore have stated that they campaign there horses more aggressively than previously as they don’t want “false “ horses going to stud .
And again if you compared this years stats with last year you would come up with significantly different results in many areas .. no of group wins , strike rate in UK etc ... due in part to periods when his horses just weren’t 100%
Like with all stats it’s how you interpret them and how deep you dig .