What is in-play betting? Live betting guide with William Hill

Because of the many factors involved, it is impossible to calculate exact probability in sports betting. In betting terms, probability is odds expressed as a percentage. This is a difficult task considering the huge teams of mathematicians that they employ. If you the odds have a negative value, this tells you how much money you need to wager to win $100. For example, if you make a £10 bet at odds of 4.5, you could potentially win £45 (including your stake).

We also compare prices on boxing and MMA, where big fights are added as soon as bookmakers publish odds, on esports and on rugby union, rugby league, baseball, volleyball, Aussie rules and many more. Open our American football odds page for the next games, with past results and the prices they closed at. The hockey odds page lists the next games with the best price for each team, next to recent results and standings. We cover the NHL, the SHL in Sweden and the KHL among many hockey leagues, with prices on single games and on the outright winners. Our tennis odds page compares the prices on every match of the day, next to past results and the odds they closed at. In tennis we follow the ATP and WTA tours every week, the Challenger and ITF events in between and the four Grand Slams, from the Australian Open to Wimbledon and the US Open.

Once you understand betting odds and the differences between them, reading them becomes easy. Fractions were traditionally used to bet on horse racing and were most popular in high street betting shops in the UK, before the advent of internet gambling. #AD BetBee is for new players aged 18 and over only. Bonus funds are separate to cash funds and subject to 10x wagering requirement (bonus funds).

Implied by this definition is the fact that the probability of an event is given by the ratio of favourable outcomes to the total number of possible outcomes. If k is any positive number then X to Y is the same as kX to kY, and similarly if "to" is replaced with "in" or "for". Multiplying these probabilities by 100% gives the percentage. When probability is expressed as a number between 0 and 1, the relationships between probability p and odds are as follows. When Moneyline odds are quoted as a negative number −X, it means that a wager pays 100 to X. When Moneyline odds are quoted as a positive number +X, it means that a wager pays X to 100.

They give you a quick indication of how much you horse racing sites not on gamstop could expect to win if your bet wins. Min £10 qualifying bets stake not returned. Minimum deposit, wagering requirements, and withdrawal restrictions may apply. Cashback starts from your first completed deposit; future deposits add to the total, withdrawals deduct from it.

Whether it's accessing US betting sites or sports betting Canada apps, we’ve got you covered with unbiased and detailed sportsbook reviews of the leading platforms. Our experts rigorously test and only recommend sportsbooks that meet our high standards. However, if the teams are evenly matched, both teams can have a negative line at the same time (e.g. −110 −110 or −105 −115), due to house take.

Decimal odds make comparing bets straightforward because you’re seeing the total return value in one number. Higher numbers indicate higher potential payouts, while lower numbers signify favorites and lower returns relative to the stake. The key to understanding decimal odds is that they directly represent the total return. They show exactly how much you'll get back for every dollar (or unit) wagered, including your original stake. Decimal odds are the simplest format for many bettors, popular across Europe, Canada, and Australia. Positive odds suggest an underdog, while negative odds point to a favorite.

In gambling, the odds on display do not represent the true chances (as imagined by the bookmaker) that the event will or will not occur, but are the amount that the bookmaker will pay out on a winning bet, together with the required stake. A "wholesale odds" index is an index of all the prices in a probabilistic market operating at 100% competitiveness and displayed without any profit margin factored for market participants. For example, 6/5 fractional odds (also described as "1.2" or "6 to 5") are the same as 11/5 decimal odds (also described as 2.2 or "11 for 5). A variation of fractional odds is known as Hong Kong odds.

Since these bets can be made months in advance, they offer a chance for big payouts, especially when backing underdogs. For instance, if the line is 220.5 in an NBA game, you’d bet on whether the teams' combined score will be over 220 or under 220.5. Bettors predict whether the total points scored will be above or below a set number. Point spread bets are all about leveling the playing field between teams, making any game more exciting.