Table 26 Sept 2026From “What is price-volume-mix analysis? Separate price from what was sold”

Which objects must stay fixed?

Table 2Which objects must stay fixed?

Object	Rule to declare	Failure when hidden
Baseline period	Earlier period and its cutoff	A moving starting point changes the comparison
Current period	Later period and its cutoff	A partial period can look like a volume decline
Line grain	Product, SKU, service, contract line, customer-product, or another unit	Mixed grains double-count or invent mix
Revenue boundary	Gross or net revenue, included credits, returns, refunds, and currency	Price and revenue effects no longer share a boundary
Currency	Reporting currency and conversion date or rule	Exchange movement is hidden inside the effects
Matched universe	Lines observed in both periods	New and discontinued lines contaminate matched effects
New and discontinued rule	How zero-baseline and zero-current lines are identified	Launches or exits are forced into price or volume
Decomposition convention	Which period supplies the units and reference price	Two bridges can disagree while both reconcile
Residual	Difference remaining after displayed effects	Missing data can masquerade as mix

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Source: Table from this essay. Sources and interpretation are given in the article.

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From the essay

Pricing & revenue architecture

What is price-volume-mix analysis? Separate price from what was sold

Price-volume-mix analysis reconciles a period change into price, volume, mix, new, and discontinued lines before a team assigns an explanation.

6 Sept 2026

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APA 7

Isoglu, S. (2026). Which objects must stay fixed? [Table]. isoglu.com. https://isoglu.com/insights/exhibits/isoglu-2026-what-is-price-volume-mix-analysis-fig02/

BibTeX

@misc{isoglu-2026-what-is-price-volume-mix-analysis-fig02,
  author = {Isoglu, Sinan},
  title = {{Which objects must stay fixed?}},
  year = {2026},
  howpublished = {Table 2, isoglu.com},
  url = {https://isoglu.com/insights/exhibits/isoglu-2026-what-is-price-volume-mix-analysis-fig02/},
  note = {From the essay {What is price-volume-mix analysis? Separate price from what was sold}}
}

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  <a href="https://isoglu.com/insights/exhibits/isoglu-2026-what-is-price-volume-mix-analysis-fig02/">
    <img src="https://isoglu.com/social/isoglu-2026-what-is-price-volume-mix-analysis-fig02.png" alt="Table 2: Which objects must stay fixed?" width="3200" height="2400">
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  <figcaption>Table 2: Which objects must stay fixed?. Source: Table from this essay. Sources and interpretation are given in the article. <a href="https://isoglu.com/insights/exhibits/isoglu-2026-what-is-price-volume-mix-analysis-fig02/">View exhibit</a>.</figcaption>
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