What if you invested $1,000 in Duolingo in 2021? (Inflation-Adjusted)
DUOL · Technology · Adjusted to 2026 dollars using BLS CPI-U data
View nominal (non-adjusted) versionUsing BLS CPI-U data, cumulative inflation from 2021 to 2026 totals 19%. Your $1,000 in Duolingo grew to $854 in raw dollar terms, but in real purchasing power terms that gain is equivalent to $718 in constant 2021 dollars. That reflects a -5.9% per year real annualized return after accounting for price changes over 6 years.
Nominal final value
$854
-14.6% total return
Real value (2021 dollars)
$718
-28.2% real total return
Real annualized return
-5.9%
vs. -2.8% nominal annualized
Year-by-Year (Inflation-Adjusted)
$1,000 in Duolingo since 2021, values in constant 2021 dollars
| Year | Nominal Value | Real Value (2021 $) |
|---|---|---|
| 2021 | $1,000 | $1,000 |
| 2022 | $713 | $653 |
| 2023 | $681 | $601 |
| 2024 | $1,276 | $1,093 |
| 2025 | $2,595 | $2,181 |
| 2026 | $956 | $803 |
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 2021 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.