Multiple bet – a term often used to include all accumulators bet including doubles and trebles.
National Hunt racing – a race contested on a course with obstacles (hurdles or jumps) National Hunt racing also includes NH flat races (normally around 2 miles) which are often the last race of a jumps meeting.
Non-runner – a selection which doesn’t participate in an event. Usually non-runners are taken out of an event in enough time to allow for a new betting market to be formed – although Rule 4 rules may apply if not.
Odds–against – the price of a selection with odds greater than Evens or 2.0. Signifies the point where a selection’s chances become less than 50% or less rather than more likely to happen (according to the betting)
Odds-on – the price of a selection which odds less than Evens 2.0. Signifies the point where a selection’s chances become more than 50% or more rather than less likely to happen (according to the betting)
Odds comparison – a website which allows the comparison of odds between different bookmakers. An indispensable tool to ensure that punters get the best price. Oddschecker is the leading odds comparison site in the UK.
Over-round – another name for bookmaker’s theoretical advantage or betting margin especially when, as in normal cases, it is greater than 100%. Bookmaker’s tend to keep close to certain margins depending on the event, tennis and football result markets are normally around 110% or 10% over-round whilst Racing Handicaps may be 20%+ and golf can be 40%+.