What does ante post mean?

In the current gambling environment, soccer prognosis are very much in demand. What is ante post? It is a forecast of the conclusion before the finish of the tournament, i.e. at the beginning of the football season. The key priority of it is quite high coefficients. This, in turn, means generous wins for all participants.

This word came from slang and rooted in language. What are ante post in betting? It is betting on sport for as long before as possible.