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By reading some of the posts it appears that some of you may not know how a Sports Book works. Their goal is not to become a bettor, but to take bets. A simple bet on game 1 is either team A or team B. You bet $11 and if your team covers the spread you win $10 plus you get your $11 bet back for a total of $21. So, if team A gets an $11 bet and team B gets an $11 bet the book is automatically guaranteed to make $1. They take in both $11 bets for a total of $22 and pay the winner $21. They want the same money bet on both sides so they don't care who wins because they will get their approximately 5% earnings from the total money bet.
To take an extreme situation, team A has $11,000 bet on it and team B has $55,000 bet on it. If team A wins then the Book is happy because they just won $45,000. But if team B wins they just lost $39,000. So rather than being a Sports Book they have become a bettor on the game by taking more money bet on one team than the other. So the line moves are not because all of a sudden they had a change of mind about who is going to win, it is to entice bettors to put more money on a particular team to even out the ratio of money they have taken on the two teams.
To take an extreme situation, team A has $11,000 bet on it and team B has $55,000 bet on it. If team A wins then the Book is happy because they just won $45,000. But if team B wins they just lost $39,000. So rather than being a Sports Book they have become a bettor on the game by taking more money bet on one team than the other. So the line moves are not because all of a sudden they had a change of mind about who is going to win, it is to entice bettors to put more money on a particular team to even out the ratio of money they have taken on the two teams.
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