We offer real-time recs, you make bets. Making use of the same instance above, if you presume -130 is the correct odds for safest betting strategy the Eagles to win and the opposite has chances of +110, we can compute the Consensus No Vig Odds"-- aka the rate that sportsbooks would certainly supply if they weren't taking a cut.
While +EV bets will not always win, they should mathematically turn a profit over time if you continually wager them. To truly understand favorable EV wagering, you initially have to recognize implied chance. In this case, your expected worth is 50% as you'll win $1.50 ($2 x 0.75 + $0 x 0.25) with time.
Suggested possibility is the possibility that a wager will win based upon the probabilities from the sportsbook. If nearly every sportsbook has the Philadelphia Eagles to win at -130 odds however one sportsbook has them at -105, we presume that -130 is the proper rate, implying there's value at -105.
For instance, on a conventional 2-way wager with both sides having -110 chances, your expected value is -4.55% or a loss of $4.55 on a $100 wager. While you will not frequently find 50% ROI bank on online sportsbooks, it's possible to find Return of investments ranging from 1% to 10%+ rather often.