New Posts For Thread: Navan Today Showed All That's Wrong With Irish Racing.https://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racingWe started with a maiden hurdle,the usual start the three triers jump off the rest amble off.No combined forces here betting wise,it looked a buckle between Aklan and Chancol,Chancol fell nearly bringing down Aklan,this 30,000 purchase looked uncomfoNot really arguing..just putting up an alternative argument...need to keep the brain ticking over until my next joust with silver!!https://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537517469#537517469Not really arguing..just putting up an alternative argument...need to keep the brain ticking over until my next joust with silver!!Sun, 19 Jan 2014 08:39:36 -0600You are wasting your time trying to argue with dj876. He is always right, even when he is wrong.https://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537517401#537517401You are wasting your time trying to argue with dj876. He is always right, even when he is wrong.Sun, 19 Jan 2014 08:35:49 -0600I'm not knocking your method but I don't think you are calling it correctly as a % change on odds that's all.What you are calculating is a % change but not the change in odds.Think about it logically ...if you are calculating the % change in anythinhttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537516819#537516819I'm not knocking your method but I don't think you are calling it correctly as a % change on odds that's all.What you are calculating is a % change but not the change in odds.Think about it logically ...if you are calculating the % change in anythinSun, 19 Jan 2014 08:02:20 -0600I'll have to leave it there with you Tolmi."While the tv commentators may cry, ‘and the gamble in this race has been backed from 100/1 to 33/1′, we now know that it’s actually less than a 2% move (from 0.99% to 2.94%). A far more significant mohttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537516673#537516673I'll have to leave it there with you Tolmi."While the tv commentators may cry, ‘and the gamble in this race has been backed from 100/1 to 33/1′, we now know that it’s actually less than a 2% move (from 0.99% to 2.94%). A far more significant moSun, 19 Jan 2014 07:54:22 -0600Of course its relevant.You are converting odds into probabilities which equal 100%.In my book if something changed in price from 2/1 to 4/1 its odds have doubled which is a 100% increase in price.If a share price changes from €10 to €20 its pricehttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537516615#537516615Of course its relevant.You are converting odds into probabilities which equal 100%.In my book if something changed in price from 2/1 to 4/1 its odds have doubled which is a 100% increase in price.If a share price changes from €10 to €20 its priceSun, 19 Jan 2014 07:51:42 -0600100% book is irrelevant.What does 2/1 mean? 2 Unfavourable outcomes against one favourable outcome which is a 1 in 3 chance.https://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537516419#537516419100% book is irrelevant.What does 2/1 mean? 2 Unfavourable outcomes against one favourable outcome which is a 1 in 3 chance.Sun, 19 Jan 2014 07:41:16 -0600In my view the % change in something has to be expressed in relation to the starting point ...as in 2/1 in my example.You are relating it to the change within a 100% book which in my opinion is a different expression.As I stated earlier I think you hhttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537516225#537516225In my view the % change in something has to be expressed in relation to the starting point ...as in 2/1 in my example.You are relating it to the change within a 100% book which in my opinion is a different expression.As I stated earlier I think you hSun, 19 Jan 2014 07:31:03 -0600Explanation beneath the tablehttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537515799#537515799Explanation beneath the tableSun, 19 Jan 2014 07:01:28 -0600No the overround isn't relevant in determining a percentage change in odds but is obviously extremely relevant for determining value. Race 1 Race 2 A is backed into even money,this is a 10% change in odds in both races but the O/R in racehttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537515787#537515787No the overround isn't relevant in determining a percentage change in odds but is obviously extremely relevant for determining value. Race 1 Race 2 A is backed into even money,this is a 10% change in odds in both races but the O/R in raceSun, 19 Jan 2014 07:00:37 -0600Yes that would b correct....(2/1-1\3)÷2.I think the difference is caused by you using the 100% of the book as your starting point whereas I am using the % change in the odds as expressed normally.As for a decrease of in excess of 100% not being posshttps://community.betfair.com/irish_sports/go/thread/view/94110/30176103/navan-today-showed-all-thats-wrong-with-irish-racing?post_id=537515145#537515145Yes that would b correct....(2/1-1\3)÷2.I think the difference is caused by you using the 100% of the book as your starting point whereas I am using the % change in the odds as expressed normally.As for a decrease of in excess of 100% not being possSun, 19 Jan 2014 05:59:23 -0600