Read Your Competitor's Mind: Building a Psychological Profile of Your Rivals
Here's a blind spot in almost every seller's setup: your data tells you about you. Your impressions, your clicks, your conversions, your sales. What it barely tells you about is the other players in your market, your competitors, even though their actions probably drive more of what happens to you than most of your own tweaks do. To see that, you have to look up from your own dashboard and start reading them. You have to build a psychological profile of your competitors.
Why your own data leaves you blind to the biggest factor
Think about what actually moves your sales in a competitive market. A huge amount of it is competitor behaviour. A rival running low on stock frees up demand that flows to you - your sales rise, and if you only look at your own data, you'll credit yourself. A rival sitting on too much stock will often start discounting and promoting hard to shift it. And suddenly your sales dip, and if you only look at your own data, you'll blame your listing. In both cases the real cause was them, and your own dashboard is structurally incapable of showing it to you, because it only tracks you.
This is the same survivorship-style blindness in a different guise: the most important factor is the one that isn't in your data at all. And the fix is the same. You have to deliberately go and look at what your instruments don't cover. In this case, that means watching your competitors closely enough to understand not just what they're doing, but why, and therefore what they're likely to do next.
Reading the tells
You can infer a surprising amount about a competitor's situation and intentions from behaviour you can actually observe. A few of the tells:
Stock levels. How much inventory does a competitor appear to be holding? A competitor running low is about to become less of a threat. Their availability will falter, their advertising will pull back as they protect dwindling stock, and demand will spill to you. A competitor who's clearly overstocked is likely to get aggressive — expect discounting and promotions as they try to shift volume, which will pull demand from you for a while. Reading their stock position tells you which way the pressure's about to move.
Pricing behaviour. How a competitor moves their price is a window into their thinking. Steady, disciplined pricing suggests a confident operator protecting their margin and brand. Erratic, frequent discounting suggests someone under pressure — cash flow, overstock, a struggle to move units. The pattern of their pricing tells you as much as the price itself.
Promotional activity. When a competitor runs promotions, and how heavily, reveals their priorities and their constraints. A sudden burst of aggressive promotion often signals a specific pressure. End of a quarter, an overstock situation, a cash need, a launch push. Understanding the why behind their promotion tells you whether it's a short-lived blip you should wait out or a sustained shift you need to respond to.
Their range and focus. Where a competitor is putting their energy, which products they're pushing, which they're neglecting, where they're expanding, tells you where they see opportunity and, by omission, where they don't. The gaps in their attention are often your openings.
From observation to profile
The point isn't just to note these things individually. It's to build them into a profile, a working model of each significant competitor: what kind of operator are they, what pressures are they under, what are they likely to do next? A competitor you understand psychologically is one whose moves you can anticipate rather than merely react to. When their stock runs low, you're ready to capture the demand that's about to be freed. When you spot the signs they're about to discount heavily, you can decide in advance whether to hold your price and let them have the bargain-hunters, or respond rather than being blindsided by a sudden dip and misreading it as your own failure.
This is genuinely a psychological exercise, not just a data one. You're reading intentions and pressures from behaviour, the way you'd read a person. And it's an edge precisely because so few sellers do it. Most are so buried in their own dashboards that their competitors' moves arrive as unexplained shocks to their own numbers. The seller who's built the profiles sees the same events coming and has already decided how to respond.
The judgment layer, again
You'll notice this is the same theme running through everything: the data on your own screen is an incomplete picture, and the edge comes from the human work of filling in what it doesn't show. Your competitors' minds aren't in your dashboard. But their behaviour is observable, and a trained eye can read intention from behaviour and anticipate what's coming. That anticipation, knowing what a rival is likely to do before they do it, and being positioned for it, is one of the sharpest advantages you can build, and it exists entirely in the space your own data leaves blank.
Stop staring only at your own numbers. Look up, watch the other players, and build the profile. The most important moves in your market are being made by people whose intentions you can read if you bother to look.
FAQ
How can I predict what an Amazon competitor will do next?
Watch their observable behaviour: stock levels, pricing patterns, and promotional activity. Low stock signals they're about to become less of a threat, while erratic discounting or a promotion burst usually signals pressure like overstock or a cash need.
What does a competitor's pricing pattern reveal?
Steady, disciplined pricing suggests a confident operator protecting margin and brand, while erratic, frequent discounting suggests someone under pressure, such as cash flow issues or overstock.
Why can't my own sales data explain what a competitor is doing?
Because your dashboard only tracks you. A sales spike from a competitor running low on stock, or a dip from a competitor discounting heavily to clear overstock, will show up in your numbers with no explanation unless you're watching their behaviour directly.
About the author
Zamir Cajee is co-founder of This Way Up, a UK business specialising in Amazon marketplace strategy, and co-host of The Upside Podcast, where he and the team break down how Amazon actually works and how it lies to you. Zamir has built multi-million dollar businesses from scratch and has been selling into the EU since 2016.
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