Betting Glossary

Accumulator insurance is an offer from a bookmaker which refunds the bettor’s stake if only one selection in their accumulator bet is lost.

Another term for a parlay; a bet that contains multiple selections. Every selection must come in so the bet can win.

A collection of three horse racing bets that cover a horse to show, place, and win.

Any wagering option that a bookmaker offers. A bookmaker will accept action on all posted odds.

A game that appears on the betting board after the main list has been posted. This is common in college football, where a match is added due to popular demand.

After extra time (AET) odds are posted for soccer matches where extra time is added at the end of the match. These are commonly found in cup competitions and are added as live betting options.

An agent is a person who refers a customer to a sports book. These people are also known as affiliates.

A horse, greyhound, or athlete that doesn’t finish in a paid position during a race.

Odds posted by a bookmaker that are higher or lower than the main line. These are commonly seen with point spreads and game total betting in football and basketball.

American odds are one of the “big three” odds systems that people use. They use a positive and minus system, such as +300 and -150. A positive number indicates the amount one must bet to win $100, and a negative number indicates the amount one can win if they place a $100 wager.

Futures bets on greyhound and horse races. These are posted at least one day before the start of a race and are commonly found in Triple Crown races.

A common abbreviation for arbitrage betting

A betting style where a player is able to bet on all sides of a game to guarantee a profit. This relies on different sportsbooks offering different odds on an event.

A type of bet that evens out the imbalance of strength between two teams or players. It is common for many sports. Asian Handicap also eliminates the draw outcome in traditional 1X2 betting. Learn more: Asian Handicap

Against the spread (ATS) odds create equal action on both sides of a game. For example, you can bet on Denver as a -4.5 point favorite against Dallas as a +4.5 underdog.