How are the odds for sports betting (like football) calculated?

John S

New member
In theory, odds are set by the amount of money bet. Do Vegas sports book set the odds on sports gambling, or only the opening line or do they adjust as money comes in. l notice that almost all the casinos have the same odds per game (or close too it) & wonder how that can be, l have trouble believing that the betting pool is the same in all casinos.
 
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