Combinatorics and Probability Theory in Football Betting

Introduction to Combinatorics and Probability Theory This article is a step-by-step guide explaining how to compute the probability that, for example, exactly 4 out of 6 picks win, or how to calculate the likelihood that at least 4 of 6 bets...

Understanding Betting Odds – Moneyline, Fractional Odds, Decimal Odds, Hong Kong Odds, IN Odds, MA Odds

The Two Types of Odds Formats There are all kinds of explanations on the Internet about various odds types, and the majority of them distinguish between fractional, decimal, and moneyline odds. Image: paffy (Shutterstock) Unfortunately, this...

Football Betting Odds Calculation Course – How to Calculate Odds – Over / Under ‘X’ Goals

Please note that this is an archived post. Here, we describe the 1st edition of our Over/Under ‘X’ Goals Betting Course. We decided not to remove this post from the site because of the many questions and answers in the comments section....

The Gambler’s Ruin Explained – Fair Coin Flipping

One of the phenomenons of probability is Gambler’s Ruin. The most common meaning is that a gambler with finite wealth, playing a fair game (that is, each bet has expected zero value to both sides) will eventually go broke against an opponent...

Probability, Expectation, Hit Rate, Value, Mathematical Advantage: Explained

Introduction The terms probability, expectation, likelihood, chance and hit rate are all closely related, and express more or less the same thing. The difference is that before a game one talks about ‘chance’, ‘probability’,...

Value Betting versus Gut Feeling

Surprisingly, it seems that there are many sports bettors who make their selections in much the same fashion as the multitude of people who select random numbers on their weekly lottery slips. Whilst the lottery player may opt for personal numbers...

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...

What is the Ideal Sample Size for Accurate Predictions?

A common problem faced by data analysts is to decide upon the required sample size. This can be estimated by using various calculations and distribution functions. However, even if a statistician is readily available, the answer is not necessarily...

Betting Odds Converter – Fractional, Decimal, Moneyline, Hong Kong, Indonesian, and Malay

Quick Odds Converter to switch odds between US, decimal, fractional, percentage, Hong Kong, Indonesian, and Malay formats – converts odds into their implied probabilities and net returns, and vice versa – converts probabilities and...

1×2 Full-Time Table of Records – Value Bet Detector with H2H history

The 1×2 Full-Time table of records is a compilation of HDA data from 417 completed Value Bet Detector spreadsheets from 24 countries around the world. (League games with H2H history). The data set represents a statistically significant...