Is Costco expensive right now, measured only against its own past, and how efficiently does it make money? Updated weekly.
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Valuation and profitability
P/E (TTM)
44.1
Forward P/E
36.8
P/S
1.3
P/B
11.4
ROE
28.4%
Gross margin
12.8%
Net margin
3.0%
Dividend yield
0.64%
The latest P/E (2026.10.02) is 46.3, the 89th percentile of 100 readings since 2001 (0 is the cheapest in that history, 100 the dearest; past readings are taken at quarter-ends). Costco is compared only with its own past.
At the latest quarter-end: ROE 28.3% (2026.05.31), ROIC 41.5% (2026.05.31).
As of 2026.10.03, updated weekly. Full profit, return, valuation and dividend charts are in the Consumer stock view.
How to read this page
· Valuation ratios, margins and returns are computed from the company's filed quarterly and annual reports, on the same basis as the sector stock view, and updated weekly.
· The P/E percentile compares the company only with its own quarter-end record, never with other companies, and is not spliced with the current readings above.
· Raw data is not provided on this site.
· Data and information only; not investment advice; no buy or sell recommendations.