| 1 year | -1.4%โ negative |
| 3 years | +26.4%โ beats S&P |
| 5 years | +22.5%โ beats S&P |
| 10 years | +22.8%โ beats S&P |
| 20 years | +17.8%โ beats S&P |
| All-time | -14.8% |
Costco Wholesale (ticker: COST) has delivered a +22.5%/yr 5-year CAGR and a +22.8%/yr 10-year CAGR. For comparison, the S&P 500 has averaged approximately +10.5%/yr over the long run.
If you had invested $10,000 in COST and added $500 per month, after 30 years at its historical rate your portfolio could grow to approximately $40k โ compared to $1.5M in the S&P 500 at 10.5%/yr. Costco Wholesale also pays a dividend yield of approximately 0.53% annually.
โ Past performance does not guarantee future results. This page is for educational purposes and does not constitute financial advice. Data last refreshed: 2026-03-20.
PortfolioCalc lets you combine COST with other stocks and ETFs, set a monthly investment, and see a detailed 30-year projection โ free, no account required.
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