Arbitrage in the BC.

[Weary]

Originally Posted by Dunbar

There are multiple ways to bet a horse to win in the paramutuals, and they do not yield equivalent win odds. If you have access to last second odds with a computer ready to instantly analyze the data and make bets, you can take advantage of those differences.

Here is an explanation of arbitrage betting from Wikipedia. Although the article focuses on obtaining odds from different bookmakers, the key concept is the same for multiple parimutuel pools.