What if you invested $1,000 in Costco in 2020? (Inflation-Adjusted)
COST · Consumer · Adjusted to 2026 dollars using BLS CPI-U data
View nominal (non-adjusted) versionA $1,000 investment in Costco in 2020 grew to $3,551 in nominal terms. But 2020 dollars had 25% more purchasing power than today. After adjusting for cumulative inflation using BLS CPI-U data, the real value of that growth works out to $2,841 in constant 2020 dollars, equivalent to a +18.3% real annualized return.
Nominal final value
$3,551
+255.1% total return
Real value (2020 dollars)
$2,841
+184.1% real total return
Real annualized return
+18.3%
vs. +22.5% nominal annualized
Year-by-Year (Inflation-Adjusted)
$1,000 in Costco since 2020, values in constant 2020 dollars
| Year | Nominal Value | Real Value (2020 $) |
|---|---|---|
| 2020 | $1,000 | $1,000 |
| 2021 | $1,194 | $1,137 |
| 2022 | $1,724 | $1,503 |
| 2023 | $1,756 | $1,475 |
| 2024 | $2,460 | $2,008 |
| 2025 | $3,490 | $2,792 |
| 2026 | $3,366 | $2,693 |
Inflation adjustment uses BLS CPI-U annual data, deflated to 2026 dollars. Nominal stock data from Yahoo Finance (split-adjusted closing prices). Real values are expressed in constant 2020 purchasing-power dollars. For informational and educational purposes only. Not financial advice. Past performance does not guarantee future results. See our methodology and full disclaimer.