Operational Excellence (OPEX) Insight – Thursday - October 29, 2026: Prices Up, Volume Down, Margins Still Fatter.

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The thin shavings the eye cannot see

Picture a carpenter planing a plank. Each pass of the plane takes off a wood shaving so thin it is almost transparent, so thin that if you stood beside him and watched one stroke, you would say nothing had changed. The plank looks the same. But the carpenter does not plane once. He planes a hundred strokes, a thousand strokes, day after day, each stroke taking off one more thin shaving. And after enough passes of the plane, the rough plank of the start becomes dead flat, glass smooth, square to the millimeter. No single miracle stroke made that happen. Only very many small strokes, each taking off a little, adding up to a change that no tool could manage in one pass.

Most business people dream of a miracle stroke. A blockbuster product, a huge deal, an earth-shaking overhaul that flips everything in one quarter. But the most durable businesses usually do not grow on a single stroke. They grow on thousands of thin wood shavings, on a quiet discipline that takes off a little waste every day, at every workstep, by every worker. That discipline has a name, and it was just laid bare very clearly, though hidden behind noisier numbers, in an operations news item on October 29, 2026.

That day, Hershey, the large American confectioner, reported its third quarter 2026 results. On the surface the numbers held a paradox that made people stop. Revenue reached 3.28 billion dollars, up only 3 percent, a modest rise. But look inside the structure of that rise and it is strange: price contributed about plus 11 percentage points, while volume and sales mix pulled off about minus 10 points. In other words, Hershey sold distinctly fewer goods by quantity, people bought fewer boxes of candy, and yet revenue still rose thanks to higher prices. And stranger still, their adjusted gross margin jumped to 42.7 percent, up by 1,090 basis points from a very low level a year earlier. Fewer boxes sold, far fatter profit.

The operator’s question is not whether Hershey‘s stock should go up or down. The question is: when volume falls yet profit still thickens, what carried that work. Part of the answer lies in price, the noisy and visible part. But price is a leverwith a ceiling, and that very ceiling is the lesson. Another part, quieter, lies in a persistent productivity program that Hershey has run for many quarters, a kind of wood planing that keeps taking cost off across all the worksteps. That is where this piece’s operations tool steps in.

This piece will use exactly one operations tool to examine that paradox, and draw lessons usable for every type of business, from a multibillion dollar confectioner down to an eatery, a small workshop, or a freelancer. That tool is Kaizen, meaning continuous improvement, the philosophy and method of taking off waste through countless small, steady changes, rather than waiting for one leap. In Japanese, kaizen joins kai, meaning change, and zen, meaning for the better, together meaning change for the better, done every day.

Before going on, a word about the honesty of this piece is in order, because it matters more than a tidy conclusion. The numbers about Hershey above are figures the company published in its third quarter 2026 report, and the source is cited at the end. This piece will not fabricate any number the company did not state. In particular, it must be said right away that Hershey‘s margin jump this quarter was not made by productivity alone. The company stated plainly it came from several sources: higher price, gains from commodity hedging contracts, tariff refund money received in the quarter, lower net raw material cost, and the productivity program. Among these, only the productivity program belongs to Kaizen in the strict sense. Borrowing this event to teach a tool does not mean crediting the tool with everything. This piece will clearly separate what is Kaizen and what is not, because that very separation is what gives you a usable lesson, rather than a pretty story that is wrong.

The purpose of this piece is not to judge what Hershey should do or to talk about its stock, but to borrow a real and clear event to shed light on a tool, so that you can use it for yourself. When a number is needed to illustrate a calculation or a way of thinking, this piece will build an example and state clearly that it is hypothetical, not the data of Hershey or anyone else.