High margins aren't always high quality

Summary: High margins feel safe. Low margins feel risky. Both impressions can be wrong. This story explains what gross, operating, net and EBITDA margins truly tell investors—and why businesses like Walmart and Avenue Supermarts thrive despite thin margins. A sharp guide to reading margins with context, not bias. Margins are among the first numbers investors look at. High margins feel reassuring. Low margins often trigger discomfort. But that instinctive reaction is frequently misplaced. Margins are not a scorecard of business quality. They are signals—about pricing power, cost structures, competitive intensity and, most importantly, how a business chooses to win. To use margins intelligently, investors need to understand what each margin captures, what it ignores, and why context matters more than the headline number. The three core margins, and what each one actually reveals Every margin answers a different question about the business. Gross margin asks how much a company retains after paying for the direct cost of what it sells. It reflects pricing power and sourcing efficiency. Businesses with strong brands, differentiated products or proprietary technology tend to enjoy higher gross margins. Commodity-like businesses, or those in intensely competitive markets, usually do not. Operating margin (EBIT margin) goes a step further. It shows what remains after all operating costs—salaries, marketing, logistics and administration—are accounted for. This is where management quality starts to show. Two companies with similar gross margins can look very different at the opera

This article was originally published on December 31, 2025.