What Is Steam Movement?

Following the moves made by big-name sports bettors has long been a popular gambling strategy. But how successful is tailing steam movement in the long run?

On this page, we’ll explain what steam is and the way it results in odds and line movement. We will also discuss the pros and cons of steam betting and whether it’s worth placing a bet in a steam situation.

How Does Steam Movement Work?

“Steam” is a term used to describe large shifts in the odds or lines resulting from significant money on a given side. Bets that generate steam are so massive that they force sportsbooks to adjust the lines or odds to ensure they can still make a profit by offering the bet.

In general, steam is generated by professional gamblers, so instances where they are willing to risk such large amounts of money are notable. If there’s steam, the bettor tends to have uncovered something that inspires extreme confidence, though it also could be due to inside information (which is not necessarily illegal but is certainly frowned upon by bookmakers).

When such massive wagers are made, bettors tend to hurry to back the same side before the odds for that outcome worsen. For spread bets and totals wagers, wagers with steam typically push the line by a point or two, but it is rare to see more than that following a single bet.

There are two main instances when steam plays a major factor: early steam (shortly after a bet opens) and late steam (within an hour or so of the start of the sporting event). These are somewhat naturally occurring, so steam outside of those timeframes should be of particular interest.

Does Steam Movement Mean I Should Place A Bet?

Steam movement doesn’t automatically mean you should place a bet backing that side, though it should give you an indication to pay extra attention when researching that game. Some minor movement of the odds for a moneyline wager is to be expected, but when the money is enough to shift lines, it calls for further analysis.

Once you’ve got a pulse on the reason for the steam, there are a few things to consider:

• First, have you already placed a wager on that event? The answer to this question will help lead to identifying a logical betting decision (which can include the decision not to place a wager).
• Second, how much did the odds or line shift? If you hadn’t yet placed a wager, does the steam align with the outcome you were planning to back? If you already made a bet, you probably don’t want to make another wager on that same outcome at less-profitable odds.
• Third, if you already placed a wager, is there an opportunity to middle bet or hedge your initial bet?

Answering those questions should give you a good idea of whether placing a bet (or a second wager) is a reasonable idea. However, you shouldn’t place a wager simply because you heard there was steam, as this shows a lack of gambling discipline.

Pros and Cons of Steam Betting

Here are a few pros and cons of steam betting to consider before placing your wagers.

Pros of Steam Betting

• Steam can be an Indicator of confidence from a gambling expert (also known as a “sharp”)
• Relatively easy to follow the concept, though it does require some advanced preparation
• Can provide opportunities to practice advanced gambling strategies such as middling and hedge betting

Cons of Steam Betting

• It’s easy to blindly follow steam, thus leading to ill-informed betting decisions
• Steam doesn’t necessarily mean the outcome will occur, or even that it is more likely to occur
• Steam at one sportsbook may not translate to other operators, meaning the line or odds could still be better elsewhere

Conclusion

Steam betting isn’t a shortcut to sports gambling success, and the belief of the contrary is a fallacy. Tailing sharps is a strategy as old as sports betting itself, but it is far from a guarantee of a desired outcome. 

However, understanding how steam works should help you understand and appreciate the changes to betting lines and odds, resulting in more logical gambling decisions as you go. 

Good luck, have fun, and always gamble responsibly.