We calculated the margin for 21 Bet by analyzing the odds they offer. We further ranked them in one of the following three categories:
From 1% to 5%: Good value
Over 5% to 7%: Average value
Over 7% to 10%: Poor value
We got our results by taking into account the odds for final result outcomes measured in line with the over / under for different football leagues. Getting the average results using this method, we were able to obtain the margins for each league and the overall betting margin for the bookmaker.
21 Bet has an overall average margin of 7.62% for football and falls in the high margins category. In the first section with Premier League, the margin is at 7.06%. In the second section with Spanish La Liga and Italian Serie A, the margin is at 6.68%. Finally, measuring the leagues from the rest of the world the margin is at 9.12%.