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Summary: Three companies can sell the same product to the same customers at almost the same price and still earn very different profits. The difference isn't where most investors look. This story reveals a simple way to spot business quality before looking at valuation.
Three listed Indian companies make the same product. They sell it into the same market, at roughly the same price. One of them earns twenty per cent more on every unit it sells than either of the other two.
Set the weakest performer at 100, and the gap looks like this.
| Earnings per unit sold (indexed) | Company A | Company B | Company C |
|---|---|---|---|
| Main product | 120 | 100 | 101 |
| Second product | 153 | 100 | 111 |
Start with what this gap is not.
It is not a better selling price. All three sell a standardised product into the same market and receive roughly the same realisation for it. There is no premium brand here, no pricing power at the point of sale.
It is not one good year. The gap has held. A single strong quarter can come from a favourable input price or a one-time contract. A difference that persists across years, on two separate products, against two separate competitors, is not that.
So the extra money is not being made where you would look for it. It is being made earlier — in what the raw material costs by the time it reaches the factory gate.
Two businesses that look identical
This is the distinction that most stock analysis skips.
Some companies are price-takers. They accept the price the market hands them, and their profits rise and fall with it. Nothing they do changes that. A low valuation is often the right valuation for such a business.
Other companies earn a spread. They buy an input, process it, and sell an output. What they keep is the gap between the two. The direction of the market price matters far less than how well they control that gap.
From the outside, these two businesses can look the same. Same product, same customers, same industry classification. The market files companies by what they sell. It rarely asks how they earn. And that is where mispricing collects, a company that controls a spread, valued as though it takes a price.
Most moats are described. Very few can be counted.
A moat is whatever stops a competitor from copying you. Research reports are full of them: strong brand, entrenched relationships, first-mover advantage. Almost none of these can be measured. They are assertions, and an assertion cannot be monitored.
Earnings per unit, set against named competitors making the same product, can be measured. If your company earns more per unit than they do, and keeps doing it, something real is protecting it. If it does not, there is probably no protection there, only a story about one.
This is why we build unit economics before we look at a single valuation multiple. A multiple tells you what the market currently believes. Per-unit earnings, decomposed by product and compared with the nearest listed names, tells you whether that belief is justified.
What you can do with this
The test travels. Take any company you own. Find its natural unit—per unit sold, per store, per subscriber, per seat. Work out what it earns on that unit. Then do the same for its closest listed competitor and compare the two over five years, not one.
If your company earns more, year after year, you own something protected, and you should find out what is doing the protecting. If it earns the same or less, the protection you have been told about may not exist.
That is a lens you can apply this week to holdings you already have, whatever we recommend on Saturday.
Join us on Saturday, August 8, 12:30 PM.
At Stock Analyst Live this Saturday, we will reveal the new recommendation, show exactly where Company A's extra earnings come from, and present the full investment case for one of them, the thesis, the risks, and what would make us change our mind.
Whether that business is worth what the market is asking for it today is a separate question from whether it is a better business. We will answer both.
The session is free to attend for subscribers, and we spend most of the hour on your questions.






