Football and soccer accumulator bet? Also known as an 'acca', an accumulator is one bet made up of multiple selections.
All selections must win for the bet to be successful. Returns are calculated by multiplying the stake by the odds, then multiplying the total return by the second set of odds, and so on.
The betting term 'accumulator' refers to a single bet that involves at least two or more selections , but possibly many more than two or three or four or five, etc.