Originally Posted by
Professor1215
While doing a little internet reading, I came across the following paragraphs in an article:
"One of the biggest leaks in most sports bettor’s game is failure to shop for the best line and price. To pull an actual example from the time I am writing this article: the betting line for the Cleveland Browns at various betting sites is currently Pinnacle Sports: +4.5 -108, Bookmaker.com +4 -110, 5Dimes.com +4 -110, Bet Jamaica: +4.5 -115, BetOnline +4.5 -120. In this case, Pinnacle Sports has the best line.
To illustrate the importance of line shopping, if I give the Browns a 54% chance of covering +4, hence the reason I am looking to bet them, my expected return at each online betting site above is: Pinnacle: 6.7%, 5Dimes and Bookmaker: 3.14%, Bet Jamaica: 1.87%, BetOnline 1.1%."
My question is, how does he calculate the percentages?