What Does ‘Sp’ Mean in Horse Racing Betting?
SP stands for Starting Price, which is the odds of a selection at the start of a race or event. It is used mainly in horse racing and greyhound racing. A bettor will often be able to choose between the current odds or accepting whatever the odds are when the race starts.
This is risky as the odds can go up or down, however, it’s a way to find extra value if you think the odds on your horse may drift.