Duolingo, Inc. (DUOL) Key Metrics

NASDAQ: DUOLValuation, returns, debt and efficiency ratios over 7 years.

DUOL valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$6.61B
Enterprise value
$5.60B
P/E (TTM)
16.8
10-yr median 172.4
Forward P/E
19.0
PEG ratio
—
Price / sales
5.8
10-yr median 16.2
Price / book
4.8
10-yr median 7.9
EV / EBITDA
32.4
10-yr median 127.7
Dividend yield
—
Beta
1.05

DUOL key metrics, 2019–2025

Fiscal year ended December 31, 2025 · U.S. dollars

DUOL valuation Price multiples at each fiscal year-end price.

P/E ratio−88.1%
20.5
2025 · hover or tap a bar for each year
2023: 656.82024: 172.4 (−73.8%)2025: 20.5 (−88.1%)
20192025
Price / sales−60.0%
8.2
2025 · hover or tap a bar for each year
2021: 16.22022: 7.6 (−53.1%)2023: 19.9 (+161.5%)2024: 20.4 (+2.7%)2025: 8.2 (−60.0%)
20192025
Price / book−66.0%
6.3
2025 · hover or tap a bar for each year
2021: 7.92022: 5.2 (−34.6%)2023: 16.1 (+210.9%)2024: 18.5 (+15.0%)2025: 6.3 (−66.0%)
20192025
EV / EBITDA−70.4%
37.8
2025 · hover or tap a bar for each year
2023: 395.32024: 127.7 (−67.7%)2025: 37.8 (−70.4%)
20192025
Price / free cash flow−58.9%
22.9
2025 · hover or tap a bar for each year
2021: 727.32022: 58.4 (−92.0%)2023: 70.2 (+20.2%)2024: 55.9 (−20.4%)2025: 22.9 (−58.9%)
20192025
Free cash flow yield+2.6 pts
4.4%
2025 · hover or tap a bar for each year
2021: 0.1%2022: 1.7% (+1.6 pts)2023: 1.4% (−0.3 pts)2024: 1.8% (+0.4 pts)2025: 4.4% (+2.6 pts)
20192025

DUOL valuation history

Fiscal year-endToday7-year median

DUOL returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

DUOL debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

DUOL cash returned to shareholders

DividendsBuybacksFree cash flow

DUOL price vs earnings per share

Share price at year-endEPS (right axis)

DUOL key metrics

2019–2025
Duolingo, Inc. key metrics by fiscal year
2025202420232022202120202019
Valuation
Market capitalization$8.48B$15.27B$10.55B$2.81B$4.06B——
Enterprise value$7.43B$14.45B$9.83B$2.23B$3.54B——
P/E ratio20.5172.4656.8————
Price / sales8.220.419.97.616.2——
Price / book6.318.516.15.27.9——
Price / free cash flow22.955.970.258.4727.3——
Price / operating cash flow21.953.568.752.3442.9——
EV / sales7.219.318.56.014.1——
EV / EBITDA37.8127.7395.3————
EV / free cash flow20.152.965.446.3633.9——
Earnings yield4.9%0.6%0.2%−2.1%−1.5%——
Free cash flow yield4.4%1.8%1.4%1.7%0.1%——
Shareholder yield (dividends + buybacks)——0.1%0.0%0.2%——
Share price at fiscal year-end$175.50$324.23$226.85$71.13$106.11——
Per share
Revenue per share$21.48$15.88$11.42$9.36$6.55$4.51$1.97
Earnings per share$8.57$1.88$0.35−$1.51−$1.57−$0.44−$0.38
Operating cash flow per share$8.03$6.06$3.30$1.36$0.24$0.49$0.06
Free cash flow per share$7.65$5.80$3.23$1.22$0.15$0.40−$0.05
Cash per share$23.61$18.63$16.07$15.41$14.47$3.36$1.67
Book value per share$27.88$17.51$14.09$13.73$13.41$2.84$1.50
Tangible book value per share$26.57$16.86$13.66$13.42$13.29$2.78$1.45
Capex per share$0.37$0.26$0.07$0.14$0.09$0.09$0.11
Debt per share$1.94$1.22$0.54$0.72$0.85$0.26$0.28
Shares outstanding48.3M47.1M46.5M39.5M38.3M35.9M35.9M
Change in shares outstanding+2.6%+1.2%+17.9%+3.1%+6.6%0.0%—
Returns & profitability
Return on equity (ROE)38.1%12.0%2.7%−11.3%−19.6%−20.3%−25.2%
Return on invested capital (ROIC)92.8%—————−249.5%
Return on assets (ROA)25.1%7.9%1.9%−8.5%−14.4%−11.7%−14.3%
Return on tangible assets21.5%7.0%1.7%−8.1%−9.2%−9.1%−14.5%
Free cash flow margin35.6%36.5%28.3%13.0%2.2%8.9%−2.3%
Income quality (OCF / net income)0.943.229.56————
Financial health
Total debt$93.8M$57.2M$25.0M$28.4M$32.5M$9.2M$10.2M
Cash & short-term investments$1.14B$877.6M$747.6M$608.2M$553.9M$120.5M$59.8M
Net debt−$1.05B−$820.4M−$722.6M−$579.8M−$521.5M−$111.2M−$49.6M
Debt / equity0.070.070.040.050.060.090.19
Debt / assets0.050.040.030.040.050.050.11
Net debt / EBITDA−5.32−7.25−29.05—−187.78——
Current ratio2.612.613.243.845.202.412.46
Quick ratio2.612.613.243.645.202.202.46
Interest coverage———-8.9—-51.9—
Working capital$885.5M$679.4M$620.4M$515.4M$500.1M$92.7M$46.8M
Invested capital$300.3M$4.1M−$67.1M−$37.7M−$8.4M−$9.3M$4.1M
Tangible asset value$1.28B$794.1M$635.5M$529.5M$508.5M$99.6M$51.9M
Net current asset value$791.4M$624.4M$599.3M$491.9M$471.0M$84.6M$37.6M
Graham number$73.33$27.22$10.46————
Graham net-net per share$13.00$10.56$11.96$12.21$11.72$2.20$0.87
Capital allocation
Share buybacks (net)——$11.5M$0$8.2M$868,000$168,000
Dividends + buybacks / free cash flow——7.6%0.0%146.9%6.1%—
Capex / revenue1.7%1.6%0.6%1.5%1.4%2.1%5.3%
Capex / operating cash flow4.7%4.2%2.1%10.4%39.1%19.1%175.2%
Capex / depreciation1.261.120.451.141.321.503.01
Stock-based compensation / revenue13.2%14.8%17.9%20.0%16.3%10.5%5.3%
R&D / revenue29.2%31.1%36.3%40.3%41.4%32.8%44.6%
SG&A / revenue29.6%33.0%39.1%50.0%54.9%48.7%44.3%
Efficiency
Days sales outstanding53.866.377.268.766.557.587.4
Days of inventory on hand——43.561.835.853.30.0
Days payables outstanding8.97.74.515.926.423.665.1
Cash conversion cycle (days)44.958.6116.2114.775.987.322.2
Receivables turnover6.795.504.735.315.496.344.18
Payables turnover40.8747.3981.2323.0013.8215.495.60
Inventory turnover——8.405.9010.196.8521,358,000.00
Asset turnover0.630.660.620.520.601.190.74
Average receivables$152.9M$135.9M$112.3M$69.6M$45.7M$25.5M$16.9M
Average payables$7.2M$4.4M$1.8M$4.5M$5.0M$3.0M$3.8M
Average inventory——$17.5M$17.5M$6.8M$6.8M$1
Intangibles / total assets3.2%2.3%2.1%1.7%0.7%1.3%1.9%

Computed from DUOL's annual financial statements (latest annual report filed February 27, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

DUOL valuation and financial ratios

At the end of fiscal 2025 (December 31, 2025), Duolingo traded at 20.5 times earnings, against a 7-year median of 172.4. Based on the latest twelve months, the trailing P/E is 16.8 and the forward P/E is 19.0. Duolingo earned a return on equity of 38.1% and a return on invested capital of 92.8% in fiscal 2025. It ended the year with $93.8 million of debt and $1.1 billion in cash and short-term investments, a net cash position of $1.0 billion. The share count rose 34.6% from 35.9M to 48.3M over 6 years.

See the DUOL income statement, the DUOL chart for price history, or the DUOL stock overview for the latest quote and news.

DUOL key metrics FAQ

What is Duolingo's P/E ratio?

Duolingo's trailing P/E ratio is 16.8 based on the last twelve months of earnings (as of October 18, 2026), and its forward P/E is 19.0. At the end of fiscal 2025 it was 20.5, compared with a 7-year median of 172.4.

What is Duolingo's EV/EBITDA?

Duolingo's enterprise value was 37.8 times EBITDA at the end of fiscal 2025 (enterprise value $7.4 billion, EBITDA $196.8 million); the current EV/EBITDA is 32.4.

What is Duolingo's return on equity?

Duolingo's return on equity (ROE) was 38.1% in fiscal 2025: net income of $414.1 million on average shareholders' equity of $1.1 billion.

What is Duolingo's ROIC?

Duolingo's return on invested capital was 92.8% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Duolingo have?

Duolingo had total debt of $93.8 million at the end of fiscal 2025, a debt-to-equity ratio of 0.07 and more cash than debt.

What is Duolingo's free cash flow yield?

Duolingo generated $369.7 million of free cash flow in fiscal 2025, a free cash flow yield of 4.4% on its market value at year-end ($8.5 billion).

What is Duolingo's current ratio?

Duolingo's current ratio was 2.61 at the end of fiscal 2025: current assets were 2.61 times current liabilities.

Software - Application key metrics