Accumulator. Sometimes called a parlay. A bet in which the proceeds of a bet is placed on the next bet. Earnings accumulate, giving a theoretical yield of large size. In fact, not very profitable, since only leads one to lose and everything to lose your bet. Arbitration. A combination of bets that guarantees a theoretical risk-free profit.
These sometimes occur when a bookmaker offers a price that is out of line with the rest of the market. Opportunities do not last long, as the bookmakers adjusted their prices accordingly. Handicap. A type of bet in which a team is given a handicap the odds of beating the handicap and unified around the odds of not hitting the disadvantage around in pairs. Popular in Asia.
Banking. A bet that is very likely to win. The odds are generally less than 1.5 for this type of betting. Betting exchange. A place where people bet against each other. The exchange takes a commission from each winning trade. Book value. The more rounded than a bookmaker is based on the odds. For example, a typical football match will be booked to 110% which means if you bet on all outcomes would lose about 10%. Very similar to the payment to be defined as the value 100/book. In preparing the book value just use this formula, book value = 1/outcome1_odds + 1/outcome2_odds + … bookmakers bookmaker. The person who accepts a bet. Probability decimal. The odds expressed as a decimal, with the participation included in the total price. For example, decimal odds of 3 is equal to the fractional probability of 2 / 1, as the game is included in the last but not the former. Double. A tank with 2 bets. Double chance. A bet that the market is offered in 3-way bet in which the two results. For example, you can bet the house wins or ties. The odds are usually very poor, but they are much more likely to win the bet. No tie. A bet on the draw back to their game.