How much money does it take to shorten a horses betting odds by a single point or how is it worked out?

Question

How much money does it take to shorten a horses betting odds by a single point or how is it worked out?

Answer 1

There is no set amount of money that will shorten betting odds. Each bookmaker will risk different amounts of money per bet before changing their odds. Its all about supply and demand and risk management. One bookmaker might only need a $500 bet to change hi odds, while a bigger bookmaker might take $5000, or more.

Answer 2

It depends on a number of factors, how many bookies are in attendance, who is putting the bet on and how big is the market are 3 which come to mind.  

Consider for instance the Tote. If a £1000 bet were placed it would affect a small pool more than a large one and if it were placed on a horse standing at 10-1 it would affect it more than if it were placed at 6-4.  This is obvious from the way a Tote pool works.  

The same principle applies to bookies' prices..  A price of 4-1 takes up 20% of market share while a price of 3-1 takes up 25%.  It needs more cash movement to effect this swing than from 9-1 (10%) to 7-1 (12.5%).  Bookies love to lay the favourite and will take £1000 on it readily but if you go with £1000 at 10-1 they may only take a part of it.  In short it is a market like any other and is subject to supply and demand.  When Frankie rode his magnificent 7 you could have walked on his last winner, Fuyjiama Crest, at 10-1 at 2pm but the weight of liability reduced its off price to about 2-1.  I saw one bookie put up 6's but it was gone in a few seconds. The next price was 2's.

Answer 3

all i know is if a trainer, has 2 horses in a race....look at the odds on the

board at 10 mins to post....say horse 1....is 8-1.....and horse 2 is....3/1

check again at 5 mins to post...if horse 1 is 6-1.....and horse 2...is

4/1......the barn is betting on horse 1.....good luck and good racing.....