The longer the odds, the more money you will get for your bet if the horse wins - thus, 100-1 are longer odds than 5-1. The longer the odds, the lower the chances of the horse winning

Odds which are greater than 10:1.

When there is a very low probability that something will happen.

Generally greater then $11 (or 10/1)

Generally greater than 10:1.

More than 10/1. eg. dividend of $5.50 or more.