Costco WholesaleCOST.OValuation Analysis
Based on the blended 10-year P/E and P/B percentiles, the stock currently sits in the “Richly Valued” zone.
As of Oct 16, 2026, Costco Wholesale (COST.O) trades at a P/E of 47.50x, P/B of 12.20x, P/S of 1.45x, and a dividend yield of 0.58%.
Longitudinal percentile comparison: P/E sits at the 76th percentile over the trailing 10Y window (vs. 22nd percentile over 3Y); P/B sits at the 69th percentile over the trailing 10Y window (vs. 15th percentile over 3Y); P/S sits at the 82nd percentile over the trailing 10Y window (vs. 39th percentile over 3Y).
Cross-sectional valuation: its P/E ranks at the 89th percentile within its industry and the 83rd percentile across the broader market.
Shareholder return highlight: Total Shareholder Yield is 0.88%, ranking at the 18th percentile over the trailing 20Y window.
The P/E and P/B long-window percentiles differ by only 6.6 points, pointing to a consistent valuation read across both metrics. Its P/E percentile is roughly the same whether measured against the industry or the broader market. Breaking down the total shareholder yield: 0.58% comes from cash dividends, with an implied ~0.30% from buybacks — a fairly balanced mix of both channels. Costco Wholesale operates in the Retail Trade sector. Data refreshes weekly and is for reference only, not investment advice.
Also listed as: NASDAQ: COST · COST
Want the full picture on whether Costco Wholesale (COST.O) is under- or over-valued? See the full 3Y / 5Y / 10Y / 20Y P/E, P/B, P/S, Dividend Yield & Total Shareholder Yield percentile matrix and the interactive ECharts trend chart on this page.
Historical Percentiles by Metric
| Metric | Current | Market Percentile | Industry Percentile | 3Y Pctl | 5Y Pctl | 10Y Pctl | 20Y Pctl |
|---|---|---|---|---|---|---|---|
| P/E (TTM) | 47.50 | ||||||
| P/B (MRQ) | 12.20 | ||||||
| P/S (TTM) | 1.45 | ||||||
| Dividend Yield | 0.58% | ||||||
| Buyback + Div Yield | 0.88% |