How to Play Steam Moves In Sports Betting

Written by: Joseph Falchetti, Editor-in-Chief, Pro Sports Bettor and Casino Expert
Last updated:
5 minute read

Steam moves in sports betting happen when odds shift quickly across multiple sportsbooks. They usually indicate that sharp bettors have placed large bets on the same side of a line. Bookmakers react by adjusting the odds to limit their risk.

For casual bettors, steam moves can seem like a signal to follow the money, but it’s not always that simple. By the time you notice the odds change, the value might already be gone. In this case, betting smarter and safer isn’t just about following the crowd, it’s about understanding why the shift is happening in the first place.

In this guide, we’ll explain what steam moves are, how to spot them, and when (or if) you should act on them. We’ll also throw in a few expert tips to consider if you want to capitalize on sudden line movements.

What Is A Steam Move In Sports Betting?

A steam move is a change in the sports betting market that happens due to heavy betting action. The sudden movements happen when pros and syndicates start wagering more than the general public on one side of the line. They often happen in reaction to some bit of news or research.

Although casual public wagering does affect betting lines, they don’t wager enough in a short amount of time to trigger a quick and sudden massive market move. It’s the high-volume top-level bettors that throw enough money around to really make a difference.

“Chasing Steam”

“Chasing steam” is when casual bettors follow the moves, assuming they are following the wise money. One of the best ways to gain an edge on the sportsbooks is by following these moves triggered by wise money. This is known as chasing steam.

Steam Move Betting Example

To show an example of what we mean by chasing steam, we’ll take a look at the betting market while a steam move is occurring.

Let’s use a game between the for this example.

Let’s say the line on all sportsbooks for an NFL game between the Eagles and the Cowboys is at 3. The Eagles, the underdogs, are +3, and the Cowboys, the home favorite, are -3.

After a big play or injury causes an odds update, a big-name sportsbook moves the line to -4. This is a major move in the market.

In this case, most of the sportsbooks will adjust as well, but maybe there are a few sportsbooks that are slow to move their odds, and the Cowboys are still available at -3 there.

Betting the Cowboys at the sites in this scenario would be chasing steam.

You’re beating the market movements caused by big-time bettors and potentially locking in a bet that is almost certainly going to beat the closing number.

Be Careful Looking for +EV Opportunities by Chasing Steam

It is possible to get great value if you know why the lines are moving and act fast. However, there are several scenarios that suck the value out of these types of moves:

  • Sometimes the opening number ends up being the right choice regardless of the steam.
  • There’s always the chance that the line continues to move further in the same direction.
  • Big money can move the odds temporarily only for the same shape pros to “buy back” the opposite side with a larger wager.

The clear and profitable goal of chasing steam is finding an inefficient line and beating the closing odds. That is where having some general knowledge of the sport can help you decipher what’s really happening when a steam move occurs. The more of them you witness, the more patterns will emerge, such as what day of the week or what time a line moves.

When hunting for value, steam betting may also offer players a strong middling or arbitrage opportunity, depending on where the line moves before game time.

Sportsbooks Adjust To Steam Moves Very Quickly

Some sportsbooks may be slower than others to move their lines, but in most cases, we’re talking a matter of minutes, at most, and in some cases just a few seconds.

Many things are automated these days, and the sportsbooks are running around-the-clock operations.

While the sportsbooks are fast, there is still time to beat some of them before the market fully adjusts. Keeping your eyes on the odds and betting immediately when you see a top bookmaker move the line in a key market is what it is going to take the W in many cases.

Chasing Steam On Local Bookies

Although we don’t advise players to use offline or local bookies, if you have one you can trust, this may be a spot where players can find some serious value. Many local bookies are slow to move their lines compared to online sportsbooks.

Is Chasing Steam a Legit Betting Strategy?

Steam betting is a profitable strategy, but there are potential drawbacks that bettors should consider.

There are several reasons that sportsbooks aren’t fans of players who chase steam moves. For one, they’re following major market moves and the opinions of top oddsmakers and professional bettors.

Secondly, since you’re beating them on odds that they have to move, the sportsbook won’t be able to offset your action by accepting wagers from the previous odds.

Let’s review some valuable insights shared by our experts that will help keep you safe when betting online:

Getting your account banned

Sportsbooks don’t appreciate steam chasing, particularly on a large scale. If the only types of wagers you’re making are steam plays, you could be at risk of getting your betting account limited.

Getting your profits denied

Bettors have to be sure that the sportsbook they are playing at is reputable and won’t do something to void their winnings simply because they’re steam players.

Many less than reputable sportsbooks have a “syndicate, non-professional” clause in their terms and conditions. In some cases, this has led to funds being seized for steam chasing by rogue sportsbooks.

Sportsbooks limit you anyway

Although, the concerns of chasing steam may outweigh the positives. Sportsbooks will likely limit your action eventually if you’re a +EV player.

Chasing steam may speed up this process, but steam moves are still one of the easiest ways to profit when betting sports.

Steam Moves Are A Tool, Not a Shortcut to Success

Steam moves may offer valuable insights, but they’re not a guaranteed path to winning bets. By the time you spot the shift, many sportsbooks could have already reacted, removing the potential value. It’s crucial to understand why the odds are shifting and whether it’s still worth placing a bet.

While blindly chasing steam can hurt your bankroll, savvy bettors use it as part of a larger strategy. Pay attention to patterns, act quickly, and always compare odds across sportsbooks. In the end, steam moves are just one tool in your betting toolbox. Use them wisely, and they can help you make sharper, more informed decisions.

About the Author

Joseph Falchetti

Joseph Falchetti

Editor-in-Chief, Pro Sports Bettor and Casino Expert

Joe is the author of the majority of sports betting pages on SBS and he serves as a gambling consultant to our content team. He's been mentioned on Forbes.com as a gaming analyst, and his articles have been linked by larger publications, such as the New York Times.

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