These are the real odds (mathematically). The bookmaker
will add a percentage up to 10% or more (his overround).
The odds will first be to the advantage of the underdog.
Usually, odds will then fluctuate, depending on the book-
maker, trying to close his bets in the right proportions,
the highest peaks occur during the match (in-play betting).
It is advisable to only consult the first upcoming match prognosis. Because the Odds change after every upload.