## Bookmaker Margin / Vigorish Calculator

A Bookmaker Margin / Vigorish Calculator has been added to the Online Calculators area of the Tools section. The tool calculates the bookmaker margin (overround) and vigorish (vig) for a set of entered odds. Arbitrage opportunities are highlighted if they…

## Arbitrage Using Boosted Odds Promotions

With so many bookmakers offering boosted odds, particularly for the AFL and NRL, it’s worth going over the arbitrage opportunities that these promotions create. This article illustrates how to make biased and unbiased arbitrage plays using boosted odds promotions. Examples…

## Australian Federal Election Betting

With the Australian Federal election tomorrow, now is your final chance to place your bets! Below are some of the latest odds. Please note that these odds could change quickly and radically. These odds are accurate as of 5:17 PM…

## Be sure to shop around for football World Cup odds

I’m used to seeing discrepancies in odds between bookmakers, but there are some massive inconsistencies between bookmaker odds for the 2010 football World Cup winner at the moment. I mentioned in a previous post the substantial variation in odds for…

## Miss Universe 2009 Odds and Arbitrage Opportunities

It’s fascinating to look at the disparity in betting odds for the Miss Universe 2009 contest. How on Earth do you derive odds based on looks? Bookmakers have settled into a supply and demand approach to determine the odds, and…

## Irregularities in Super 14 Tournament Winner Odds

It’s always a good idea to keep an eye out for irregularities in available odds, because bookmaker mistakes do happen. Last night Sportsbet was offering the following odds on the Super 14 Tournament outright winner.     |   Winner Bulls   |  …

## Liverpool vs. Arsenal Arbitrage

It’s interesting to see how public sentiment can change leading up to a match. Liverpool host Arsenal on Wednesday morning in the English Premier League. On April 15 I placed a wager through Sports Alive for Liverpool to beat Arsenal…

## Arbitrage Calculators Update

The two-outcome and three-outcome arbitrage calculators have been modified so that you now input the total bet amount rather than the bet amount for a particular outcome. As an example, if you input a total bet amount of \$1,000 for…

## Arbitrage Betting – 3: Arbitrage Opportunities

With the basics of arbitrage theory out of the way, as covered in my first and second posts, I will now move onto actual arbitrage opportunities. Most people associate arbitrage betting with two concurrent set of differing odds offered by…

## Three-outcome Arbitrage Calculator Now Available

A three-outcome arbitrage calculator is now available. The calculator determines arbitrage strategies for three-outcome sports given two disparate sets of odds. Three-outcome sports represent matches where a win, draw or loss is possible. The “unbiased” strategy aims to provide equal…