If somebody (e.g. Dad) posts that he is taking ATL -125, what does that mean? What's the "-" and the "125"??
I'd be happy if somebody could explain that to me.
Which betting sites offer this?
I'd be happy if somebody could explain that to me.
Which betting sites offer this?

Alright thanks guys! I've been checking the forums every now and then in the past year, but that always interested me!