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Analysis

How to Track Line Movement

8 min
Intermediate

Monitor odds changes to time your bets perfectly.

Overview

Monitor odds changes to time your bets perfectly

Step-By-Step

Following line movement means watching how betting odds change from the moment they open until fight time. These shifts can tell you where the money is going and help you decide *when* to place your bet for the best value. In boxing, odds can move due to news (injuries, weight issues), betting action (lots of money on one side), or shifts in perception during fight week. Learning to read these movements is a key skill.

Start by checking the opening odds for a fight, then see where they are a day before and on fight day. If you notice, for example, that Fighter A opened at -150 but is -200 on fight night, it means significant money has come in on Fighter A (making them a bigger favorite). Conversely, if an underdog’s odds go from +300 down to +200, bettors have been backing the underdog. Tracking this can signal confidence from others (sometimes “sharp” professional money) on a fighter. A dramatic odds shift can even indicate some inside info or a news development (like a rumor of an injury or a bad weight cut).

So how do you track lines? The easiest way is using an odds comparison site or app that shows odds from multiple sportsbooks and highlights changes. These tools often have a timeline or graph of odds movement. For instance, Oddspedia lets you see how a boxing match’s odds fluctuate over time and will refresh in real-time. You can also manually check a few major sportsbooks periodically. Pay attention to key moments: when lines first open, after the weigh-in, and in the last hours before the fight when a lot of action happens. Early sharp action often hits the lines soon after opening, causing quick adjustments, whereas late movement Sunday morning (for a big fight) might be public money.

By tracking line movement, you can time your bets. If you like a favorite, you may want to bet them before the odds get worse (i.e. before the line moves further in their favor). If you like an underdog, and you suspect the public will bet the favorite heavily, you might wait, hoping the underdog’s odds grow even more profitable. For example, if a popular champion is at -300 and you think casual fans will drive that to -400, you’d bet the underdog later at, say, +300 instead of +250. On the other hand, if you see a line moving toward the side you planned to bet (meaning others are betting it), that might validate your pick but give you urgency to grab the odds before they shorten further.

Finally, line movement can sometimes reveal “reverse line movement”, which is when the odds move opposite to the betting percentages. For instance, if 80% of bets are on Fighter A but their odds lengthen from -200 to -170, that’s a clue sharp money is on Fighter B despite the public on A. This is advanced analysis (overlaps with identifying sharp money), but it’s part of reading the market. In summary: keep an eye on the odds from open to close. The way lines move can tip you off on when to strike and even who the smart money is backing. With practice, you’ll anticipate moves and snag the best numbers for your bets.

Sources: Oddspedia

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