Understanding sports betting odds and calculating value bets

OLBG’s sports betting experts have ranked the best overall UK betting sites using a structured analysis process, supported by feedback from the OLBG community of regular sports bettors. To make money on sports betting, you need a mathematically proven profitable strategy. But RebelBetting users know how to make money on sports by turning the bookmakers‘ own odds against themselves. From early bookmakers to online betting, explore how technology and virtual wallets like Skrill have reshaped the betting landscape.

A value bet is a bet where you believe that the odds of an event happening are greater than the odds offered by the bookmaker. In the context of sports betting, a market is a specific type of bet you can place on a sporting event, for example the outcome of a football match or the number of sets in a tennis match. We expect licensees who offer in-play betting to be aware that their policies andprocedures must be able to identify risks of harm from gambling to those participating in this activity. Cash out allows bettors to get money back on an event before it is over. Sportsbooks and betting exchanges wiki differ, as sportsbooks put in a delay to ensure their own prices are correct, whilst betting exchanges put a delay in place to protect its bettors. Computer software known as ‘bots’ is used to monitor betting markets and place bets at a much higher rate than is possible for a person.

William Hill – excellent all round bookmaker

In our comparison articles it is the best, while also performing well for football at fourth in our top 10 football betting sites. BetVictor are one of the best bookmakers in the UK, especially if you do most of your betting on mobile as they have the best betting app on the market. Live markets are easy to follow, well presented, and backed up by extensive live streaming coverage, including Unibet TV and Twitch-powered esports. With a good rating for horse racing too, Unibet does well across multiple sports. They also gained top 10 appearances in seven more best betting sites categories, including darts and motor sports. Below is a summary table of OLBG experts’ top 10 overall UK betting sites, highlighting where each bookmaker stands out.

If you don’t make a profit the first month, you get another month for free – again and again until you profit! You can cancel your future payment at any time, while still continue using the service until the expiration date. You take no risk since you’re covered by our profit guarantee.

You can also view or download our in-play betting position paper (PDF) originally published in September 2016. Click the links for the full guides, next to which we show you the category winners – the best betting site for that payment method. The key to which betting site you use could be down to how you want to fund your account. We are aware that some people may wish to do this and take advantage of the welcome offers available. Some bookmakers do make charges for certain withdrawals and you can see that in our reviews.

I think ValueBetting is awesome and I have made very good money with it. If you are looking for a premium sure bet or value bet finder for an affordable price, RebelBetting is one of your top choices. I started with around €1600 and have a €1000 profit now after one month. Despite being incredibly user-friendly, it doesn’t sacrifice any of the more advanced features that experienced arbers have come to expect.

The table below shows the relationship between the likelihood of an event, the different types of odds and the potential winnings on a $100 bet. Positive moneyline odds indicate how much you can win with a $100 bet, while negative odds indicate how much you need to bet to win $100. Fractional odds represent the potential profit in relation to the bet. Betting odds can be presented in different formats, such as decimal odds, fractional odds or money line odds, depending on the region or bookmaker. Betting odds are numbers that indicate how much you stand to win if you place a bet and the event occurs. In addition, we will explore the benefit of having a Skrill account in the world of sports betting.

• You can cancel your future payment at any time, while still continue using the service until the expiration date.
• I think ValueBetting is awesome and I have made very good money with it.
• You can check out the UK Gambling Commission public register of licensed betting sites here.
• Other good best odds guaranteed bookies are bet365, BetVictor, TalkSportBet and VirginBet.
• Integrated Racing Post data is very useful so you can just head straight to Betfred each day to choose your bets and place your bets (although don’t forget about the great tips at OLBG!).

Who are the biggest bookmakers in the UK?

However, it is important to remember that online betting carries risks and that no system can guarantee consistent winnings. So, you can take advantage of great odds whichever bookmaker is offering them. For example, you would make a value bet when you consider a basketball team to have a 60% chance of winning, but the odds offered imply they have only a 40% chance (approximate decimal odds of 2.50).

If the resulting value is greater than 0, it is considered a value bet. Money Line odds, or American odds, have their own way of representing probability. To calculate the odds, the formula is Denominator / (Denominator + Numerator).

Rebel betting is an outstanding service, that provides an excellent solution for those wishing to get involved in sports trading and value betting. When value betting I beat approximately 90% of all closing odds. Anyone with an understanding of sports and betting will quickly grasp the concept.

This guide is maintained by Luke Bradshaw Lee, who leads OLBG’s bookmaker analysis and oversees the expert team responsible for our reviews and comparison guides. The license sets strict standards for player protection and responsible gambling. BeGambleAware.org 18+© 2026 Clarobet AB / RebelBettingAll rights reserved

We have combined insights from our expert editors with extensive OLBG data scoring to identify which bookmakers perform best by each sport. Ken Howells has been in the game since as far back as 1963, but there they are with a new online offering, which checks out OK. We’ve been digging into the trends shaping the UK’s betting landscape this week It’s been another busy one on OLBG, with the football play-offs kicking off and plenty of other sports action to keep an eye on. It ranks second only to bet365 in our in-play betting comparison, which speaks volumes.

There is a huge difference in the offers amongst the leading online bookmakers, so if you bet primarily on one or two sports, you will want to know which betting sites are best for the sports you bet on. The best betting sites in the UK are gq bet online bookmakers that offer competitive odds, strong promotions and high-quality features. The best overall UK betting sites will offer consistently competitive odds, have strong regular promotions and high quality features which are important to UK sports bettors.

The reason it ranks so well is that you can instantly see which events are live, what markets are available, and where to watch them, which is really helpful. That multi-sport ranking is backed up by promotional features, ranking well for In-Play betting, Cash Out and Best Odds Guaranteed. Ladbrokes is joint-best for snooker and regularly offers some of the best odds on top NFL games. If football betting is your main focus, Ladbrokes is one of the best options available. Both OLBG users and our expert team frequently praise Betway for its bet builder, top-rated Free Bet Club, and coverage of US sports, reinforcing its reputation as a top ten betting site for the UK.

To be considered one of the best all-round bookmakers, a site must perform strongly across the factors that matter most to UK bettors. At any given time, RebelBetting finds thousands of profitable bets for you to bet on. Value betting is a method where you place bets that have a larger chance of winning than implied by the odds. True odds are delivered by the world’s best bookmakers.

That sports coverage is complemented by what BetVictor does exceptionally well in horse racing. The feature is backed up by an excellent range of leagues and markets, giving plenty of flexibility for placing simple bets or building more adventurous multiples. Unibet topped our analysis for best basketball betting sites and best rugby betting sites whilst coming second for boxing. This consistency is a big reason why it claims second place in our overall Top 10 betting sites list.