William Hill is one of the biggest sportsbooks in the world, including in America. We have examined the margins (percentage taken from each bet by William Hill) that are present on its sportsbook in the United States. We have used different leagues, sports and games to find the most accurate average margin in each competition.
Soccer
Average Margin = 5.63%
For the soccer section, we used lines from games in top leagues, average leagues and in the Bundesliga specifically. For the section in the Bundesliga, we found average margins of 6.069. These were drawn from markets on the win, loss or draw and on the totals market for number of goals.
For top leagues we included games from both the English Premier League and Calcio A. The average margin from these games was 4.47. The average leagues included the Russian Premier League and the Portugese Liga NOS. Lower leagues such as the Swedish Allsvenskan were also calculated. The total average for the sport of soccer was 5.63% and the margins ranged from 4.47 up to 6.4.
Hockey
Average Margin = 4.375%
On William Hill, the only league featured is the NHL. The margins for this league are fairly low averaged at 4.375. This places the hockey section of William Hill in the good category. Out of the games measured, the margins range from 3.957 up to 4.708.
Basketball
Average Margin = 4.566%
We looked at the three top basketball leagues on William Hill when determining average margins. The total average for all three leagues was at 4.566, placing the Sportsbook in the good category for basketball.
Both the NBA and the NCAAM had very good margins hovering around four. The nBA was at 4.428 and the NCAAM was even lower with an average of 4.082. The EuroLeague's margins were slightly higher, with the margins sitting above five at 5.187. The markets used were the same for all of the leagues, including the Moneyline and the over/under on the total points.
