Why do odds change




















A star player suffers an injury in practice or is on a suspension? How about an entire team getting struck down by food poisoning the day before its game? These kind of factors are often discussed by TV analysts and reporters as having some influence on the outcome of a game.

Bookmakers have just a keen an eye on sports news as fans and will adjust their odds accordingly. You might be able to get an edge in some situations by reacting to breaking news quickly , before the bookies have had the time to make changes. In-play odds are particularly volatile. When betting in-play, you need to get your bet on quickly if you want to secure the odds you see on-screen.

From one second to the next, they could change, which in turn means you will get a different payout. A baseball game may offer the first price on the morning of the game having played the night before , a tennis match may be priced a couple of days before when the match-up is set or a soccer game may be priced up a week or so beforehand. These early prices will be set by the team of odds-compilers and will be based around the probabilities of the outcomes. In an ideal world the bookmaker would now receive an equal amount of money on each player and guarantee a profit.

On some occasions this is exactly what will happen, a great and relatively simple situation for the bookmaker, and if every book was like this the job of a bookmaker would, as well as being very profitable, be extremely easy.

So what could be the reason for this? There are actually two potential reasons. The first reason is that something has happened to one of the players in the time between publishing the early price and now. Bookmakers will react to this information, and move the odds accordingly. The second reason is that one of the players has been bet on heavily, much more money coming in for that player over the other.

When a bookmaker takes a majority of money on one particular selection they will have an uneven book, making a loss on that player, and a profit on the other — so they will shorten the odds on the player taking the money, and lengthen the other player. They may keep shortening the odds, or make a stand, thinking they have taken a lot of money at bad odds for that player.

They are the recommendations from our authors and contributors who are avid sports fans themselves. When sportsbooks first post odds for a game, those odds are referred to as the opening odds. By the time Game Day rolls around, those odds will change. They might not change much, but they will probably change. The only question is why.

There was not much movement, meaning the odds did not change much from the opening to the closing lines. But they did change. As for why— there are a few common reasons why odds change:. But over the course of the two weeks leading up to the Super Bowl , that information may change.

When it does, oddsmakers must take that new information into consideration. The Chiefs would not have remained the favorite if Patrick Mahomes went down with an injury in practice.

It all depends on what the information is and its potential impact. If it is significant enough, then the line will change.

They were installed as the early favorite when odds were posted and remained so throughout the season. When oddsmakers set the opening line for the game, it was not surprising that the Chiefs were the early favorites.



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