Costco (COST) Investment Calculator
Calculate potential returns from SIP or lump sum investments in Costco using historical daily closing prices.
Investment type
Investment details
Enter custom prices instead
Results
Data: End-of-day close prices (cached). ℹ
Results are based on historical daily closing prices and are for educational purposes only.
How this works
This calculator uses historical daily closing prices to estimate returns for your selected investment amount and time period. Learn more in Methodology →
Important
Past performance does not guarantee future results. Results are for educational purposes only and are not financial advice. Read more →
About Costco (COST)
Costco Wholesale Corporation is a publicly traded operator of membership warehouse clubs. Its shares trade on the Nasdaq under the ticker COST.
The company sells a limited selection of bulk merchandise at low margins and earns a significant portion of its profit from annual membership fees. Its model emphasizes high sales volume and member renewals.
Costco is commonly followed as an indicator of consumer spending and as an example of a membership-based retail model. Historical performance may be influenced by membership growth and renewal rates, comparable-store sales, consumer demand, input costs, and broader economic conditions.
This calculator uses available daily closing price data to estimate how a selected amount would have performed historically. It is educational only and does not assess whether Costco is a suitable investment.
Learn how returns are calculated in Methodology and how market data is handled in Data Sources.
ROI over time
Shows ROI over the selected period.
Performance Snapshot
How has this asset performed over standard time periods?
What could happen next?
You’ve seen how Costco performed in the past. Explore our forecast scenarios and related tools for a broader view.
Forecasts are scenario-based estimates, not guarantees.
Performance context
This calculator shows Costco's historical price performance over your selected period. Consumer-facing companies can reflect spending trends, brand strength, pricing power, and macro sensitivity to employment and inflation.
How this calculator works
- Historical price data is sourced from third-party market data providers and adjusted for stock splits and similar corporate actions where applicable.
- ROI is calculated using historical closing prices based on your selected amount and time period, and does not include taxes, fees, spreads, or slippage unless explicitly stated.
- Calculator inputs and results are processed in your browser; we do not store your entries on our servers.
- This tool is provided for educational and informational purposes only and should not be considered financial advice.
Note: Results shown are nominal returns and do not account for inflation. Real purchasing power may differ over time.
Past performance does not guarantee future results. See Methodology · Data Sources.
10-year ROI over time
Same view as above, for the last 10 years. Uses "If invested ($)" from Performance Snapshot.
Compare vs Benchmark
This section compares Costco performance against major benchmarks over the same periods.
See whether this asset outperformed common benchmarks over the same periods.
Benchmark comparison will be available soon.
| Period | COST | Benchmark | Difference |
|---|
Projection based on historical growth
Illustrative estimateProjected annual growth: —
Based on historical performance. Not a guarantee.
Historical growth-based estimate
Illustrative projected prices
Assuming the modeled growth rate continues
Based on historical performance. Not a guarantee.
Use manual ROI calculator to enter prices without fetching.
How to interpret Costco ROI
ROI shows the total percentage change between your buy and sell dates. CAGR estimates the annualized return over the period, while max drawdown highlights the largest peak-to-trough decline — useful for understanding risk alongside return.
Past performance does not guarantee future results. Use Performance Snapshot to see standard periods like 1M, YTD, 1Y and 5Y.
How It Works
- Choose an investment amount and dates.
- Fetch historical prices (or enter custom prices).
- Review ROI, profit, CAGR, drawdown, and the ROI chart.
FAQ
General questions about accounts, CAGR, and data sources are answered on our FAQ, Methodology, and Data Sources pages.
How do I use the Costco (COST) ROI calculator?
Enter buy and sell dates or prices for Costco to see total return, profit or loss, CAGR, and max drawdown based on historical daily closing prices.
Does this Costco calculator include dividends or fees?
No. This stocks calculator uses price-only historical data for COST and does not include dividends, trading fees, taxes, or spreads unless explicitly stated.
How should I interpret Costco historical results?
Results for Costco are based on past prices only. Past performance does not guarantee future results and should be used for education and research, not as financial advice.