Search for odds calculation

Man with calculator sunk into a heap of paper / Mann mit Taschenrechner versenkt in einem Papierhaufen

How to Calculate Average Odds in Football Betting

Sometimes it is necessary to figure out the average odds from a set of betting odds which can then be used as the basis for further calculations. For example, computing deviation and variance. When using odds in European format (decimal) you...
Suspended business woman clutching calculator / Hängende Businessfrau umklammert Taschenrechner

How Bookmakers’ Odds Match Public Opinion

A question we often receive from readers is why the Value Bet Detector requires 10 years’ head-to-head (H2H) data and why it is optimised to address matches where there has been a minimum of six H2H meetings in this time frame. Image:...
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Calculating Odds for League Newcomers is Unpredictable

We often receive queries asking how to calculate odds for league newcomers and why we don’t develop a Value Bet Calculator for league matches involving teams without head-to-head (H2H) history, or their respective last 25 matches being in...
Excel screenshot showing the solutions to our odds correction exercise

Oddsportal Archived Odds – Identifying and Correcting 1×2 Odds Errors

As we have mentioned before, one of our favourite sites for collecting historical data is www.oddsportal.com, and in our recent article about the concepts for football betting systems we outlined how to set-up an Oddsportal user account and...
Chessmen line up with a football

Football Betting Odds: Study Comparison Bookmaker vs. Exchanges Odds

It may surprise you to know that when placing a back bet before the commencement of a game, our research shows that more than 85% of Betfair’s odds (at 5% commission) can be beaten by bookmakers whether you are betting on the home win, draw,...
Teacher in an outdoor classroom in Agra, India / Lehrer in einem Klassenzimmer im Freien in Agra, Indien

How is Overround Calculated and what are the Benefits of Removing it from the Betting Odds?

Simply put, overround is the bookmaker’s profit margin. Overround percentages vary and usually average between 4 and 7%, depending on the bookmaker. Although bookmaker odds do not always fully represent the ‘true’ (expected)...

True Odds & Value Detector: International Club Competitions (with no head-to-head history)

This spreadsheet contains the calculations for international club tournaments between teams with no head-to-head history, applicable for competitions such as the UEFA Champions League, Europa League, or even the South American Copa Libertadores. International...

True Odds & Value Detector: League Games with H2H History

In conjunction with our regular match previews published in the German Betfair blog we are pleased to present our league match with head-to-head history ‘Value’ bet detector spreadsheet. League Games with H2H History Price: £29.90 WITH...
Man and woman heads shown as percent sign / Köpfe von Mann und Frau dargestellt als Prozentzeichen

Are Odds at Betting Exchanges Always Better than with Bookmakers?

The answer to this question is unequivocally YES and only in rare or extenuating circumstances are odds in betting exchanges priced less than with a bookmaker. The reason is simple: If the ‘back’ price for an event with a bookmaker...
Teacher standing near blackboard in classroom / Lehrerin in der Nähe der Tafel im Klassenzimmer

Understand Odds: Cup Finals and International Tournaments, played at neutral venues

Both sides of the coin… The ‘true’, ‘fair’ or ‘zero’ odds are all synonyms for those odds which exactly reflect the statistical expectation of an event. For example, the ‘true’ odds for the...