Duolingo (DUOL) fundamentals: P/E, valuation, undervalued?
Duolingo · Consumer Discretionary · ref. ETF XLY · price $142.86
In short — Duolingo trades at 16.6× earnings (P/E), 18.7× forward, with a net margin of 35.9 % and revenue growth of +18 %. Read: Fairly valued (P/E 19 in line with ~18% growth (PEG 1.0)).
Is Duolingo stock cheap or undervalued? A good time to buy? Here are its fundamentals — P/E, PEG, margin and income statement — to judge its valuation.
📈 1-year price
$142.86-55.7% over range
Aug 28, 25low $90.03 · high $347.27Aug 27, 26
📏 Click 2 points (left → right) to measure the change · click again to clear.
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Hold
21% recommend buying · 14 analysts
Valuation : Fairly valued — P/E 19 in line with ~18% growth (PEG 1.0)
Valuation
16.6
P/E (price/earnings)
18.7
Forward P/E
—
PEG
4.7
Price/book (P/B)
$6.7B
Market cap
8.59
EPS
Profitability & growth
35.9 %
Net margin
+18 %
Revenue growth
-28 %
Earnings growth
$86M
Total debt
Duolingo income statement
| Fiscal year | Revenue | Net income | Margin |
|---|---|---|---|
| 2022 | $369M | $-60M | -16.1 % |
| 2023 | $531M | $16M | 3.0 % |
| 2024 | $748M | $89M | 11.8 % |
| 2025 | $1.0B | $414M | 39.9 % |
⚠️ Indicative financial data (Yahoo Finance), not investment advice. Amounts in $.
Frequently asked questions
What is Duolingo's P/E and is the stock undervalued? What's a good P/E?
Duolingo's P/E is 16.6 (forward 18.7). Below ~15 = fairly cheap, above ~30 = expensive. Our valuation verdict: "Fairly valued".
Is Duolingo profitable?
Duolingo has a net margin of 35.9 % (EPS 8.59). The company is profitable.
Is DUOL stock expensive?
Our read: "Fairly valued" — P/E 19 in line with ~18% growth (PEG 1.0). Cross-check with growth and sector.
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