DUOL
Neutral signalScored 2026-09-10 Drivers: Congress, fundamentals. Moteurs : Congrès, fondamentaux.
Research, not advice.
À propos
Duolingo, Inc.
- Nom
- Duolingo, Inc.
- Secteur
- Technology
- Industrie
- Software - Application
- Bourse
- NASDAQ
- Capitalisation
- $6.7B
- Employés
- 900
- PDG
- Luis Alfonso von Ahn Arellano
- Site web
- https://www.duolingo.com
- Marché
- COECOURPSO
Duolingo, Inc. builds and operates an online platform and a mobile application dedicated to language learning, catering to audiences in both the United States and China. The company's comprehensive curriculum spans 40 diverse languages, featuring prominent options such as Spanish, English, French, Japanese, German, Italian, Chinese, and Portuguese, among others. Furthermore, it offers a digital examination for assessing language proficiency. This enterprise was founded in 2011 and its main offices are located in Pittsburgh, Pennsylvania.
Price (1 year)
Live chart from TradingView — independent market data, as price context around the filings, not the Quorum score. EMA 50/200 and Bollinger load by default. When the exchange is known it is sent as EXCHANGE:SYMBOL; otherwise TradingView resolves the ticker best-effort.
VENTE TOTALE: 236 000 titres (~35 451 184,47 $ US)
- Insiders
- von Ahn LuisGORDON WILLIAM B
- Total bought
-
—
Avg buy (VWAP, 90d window) —
- Total sold
-
$3,930,673
Avg sell (VWAP, 90d window) $146.73 vs last close —
Total sold sums Form 4 code S in this window. Codes F, M, A and G are left out.
$3,623,602 of that total is under a Rule 10b5-1 plan. It is shown here and left out of the score.
- Last activity
- 2026-10-07
- Last synced
-
2026-10-13 10:07:46
Sign in to request a sync of this company's price history and timing levels.
Insider holdings as a share of total assets aren't available for this company.
Avg buy and avg sell are volume-weighted prices (sum of shares × price, divided by shares) for Form 4 rows in this 90-day window that report both figures. A comparison with last close is market context for that average, not advice.
Recent Form 4
Filings in the 90-day window for this company. Value is shares × price from the filing. Research, not advice.
| Date | Person | Side | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|
| 2026-10-07 | von Ahn Luis | Sell · S · 10b5-1 | 5,114 | $153.26 | $783,777 | Form 4 |
| 2026-09-24 | von Ahn Luis | Sell · S · 10b5-1 | 900 | $152.29 | $137,061 | Form 4 |
| 2026-09-22 | von Ahn Luis | Sell · S · 10b5-1 | 3,414 | $152.02 | $518,996 | Form 4 |
| 2026-09-21 | von Ahn Luis | Sell · S · 10b5-1 | 4,109 | $151.07 | $620,746 | Form 4 |
| 2026-09-16 | von Ahn Luis | Sell · S · 10b5-1 | 1,020 | $151.54 | $154,571 | Form 4 |
| 2026-09-14 | Chen Stephen C. | Sell · S · 10b5-1 | 5,965 | $150.00 | $894,750 | Form 4 |
| 2026-09-08 | GORDON WILLIAM B | Sell · S · 10b5-1 | 100 | $151.64 | $15,164 | Form 4 |
| 2026-08-18 | Glance Natalie | Sell · S · 10b5-1 | 1,037 | $138.19 | $143,300 | Form 4 |
| 2026-08-17 | Chen Stephen C. | Sell · S | 1,024 | $129.13 | $132,229 | Form 4 |
| 2026-08-17 | Glance Natalie | Sell · S · 10b5-1 | 2,751 | $129.13 | $355,237 | Form 4 |
| 2026-08-17 | Meese Robert | Sell · S | 1,354 | $129.13 | $174,842 | Form 4 |
Sales marked 10b5-1 are scheduled in advance and don't count toward the Quorum score. Les ventes marquées 10b5-1 sont planifiées à l'avance et ne pèsent pas dans le score Quorum.
Congressional trades
STOCK Act disclosures (90-day window)
Amounts are STOCK Act brackets as disclosed. Quorum does not turn a bracket into an exact price or a midpoint.
No STOCK Act disclosures for this company in this window.
Recent trades
| Date | Representative | Type | Amount |
|---|---|---|---|
| 2025-08-13 | Lisa C. McClain | Sale (Full) | $1,001 - $15,000 |
| 2025-08-04 | Lisa C. McClain | Purchase | $1,001 - $15,000 |
| 2025-06-24 | Lisa C. McClain | Sale (Full) | $1,001 - $15,000 |
| 2025-06-17 | Lisa C. McClain | Purchase | $1,001 - $15,000 |
Signal
Neutral signalScored 2026-09-10 Drivers: Congress, fundamentals. Moteurs : Congrès, fondamentaux.
DUOL exhibits exceptional financial health with strong liquidity (90) and improving fundamentals (85), reflecting a genuine transition to sustainable profitability with minimal debt.
The first sentence of the analysis written for DUOL on 2026-09-10 - a real excerpt, not a sample. The rest of it, the 0-100 score and the rating it produced are part of Plus. See plans.
Neutral signal
Drivers: Congress, fundamentals. Moteurs : Congrès, fondamentaux.
Factor checklist — research, not advice
A check leans with a bullish reading. A cross leans against it. A dash is unavailable or mixed.
- Insider Pulls against a bullish reading. Selling cluster — sale value, no purchase value
- Congress Supports a bullish reading. 2 purchase disclosures year to date
- Narrative Unavailable or mixed. Stored narrative reading is in the neutral band
- Timing Unavailable or mixed. No stored price series
- Financial indicators Supports a bullish reading. Current ratio 2.61 · operating margin 14%
Market snapshot
Financial ratios
| Metric | Trend | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 |
|---|---|---|---|---|---|---|
| Gross Profit Margin | 71.7% | 72.0% | 72.3% | 72.0% | 72.1% | |
| Ebit Margin | 17.6% | 13.7% | 3.3% | -15.9% | -23.9% | |
| Ebitda Margin | 19.0% | 15.1% | 4.7% | -14.6% | -22.8% | |
| Operating Profit Margin | 13.6% | 8.5% | -2.4% | -17.5% | -22.4% | |
| Pretax Profit Margin | 17.6% | 13.7% | 3.3% | -15.9% | -23.9% | |
| Continuous Operations Profit Margin | 39.9% | 11.8% | 3.0% | -16.1% | -24.0% | |
| Net Profit Margin | 39.9% | 11.8% | 3.0% | -16.1% | -24.0% | |
| Bottom Line Profit Margin | 39.9% | 11.8% | 3.0% | -16.1% | -24.0% | |
| Current Ratio | 2.607 | 2.609 | 3.237 | 3.836 | 5.198 | |
| Quick Ratio | 2.607 | 2.609 | 3.237 | 3.836 | 5.198 | |
| Solvency Ratio | 0.664 | 0.208 | 0.078 | -0.266 | -0.387 | |
| Cash Ratio | 1.880 | 1.861 | 2.695 | 3.346 | 4.650 | |
| Price To Earnings Ratio | 19.392 | 158.936 | 648.143 | -47.106 | -67.586 | |
| Price To Earnings Growth Ratio | 0.056 | 0.329 | -5.262 | 12.326 | -0.263 | |
| Forward Price To Earnings Growth Ratio | 0.056 | 0.329 | -5.262 | 12.326 | -0.263 | |
| Price To Earnings Diluted Ratio | 20.478 | 172.463 | 648.143 | -47.106 | -67.586 | |
| Price To Earnings Diluted Growth Ratio | 0.058 | 0.395 | -5.262 | 12.326 | -0.263 | |
| Price To Book Ratio | 5.964 | 17.107 | 16.100 | 5.179 | 7.915 | |
| Price To Sales Ratio | 7.742 | 18.857 | 19.871 | 7.598 | 16.194 | |
| Price To Free Cash Flow Ratio | 21.727 | 51.593 | 70.159 | 58.375 | 727.264 | |
| Price To Operating Cash Flow Ratio | 20.713 | 49.403 | 68.702 | 52.324 | 442.862 | |
| Debt To Assets Ratio | 0.047 | 0.044 | 0.026 | 0.038 | 0.049 | |
| Debt To Equity Ratio | 0.070 | 0.069 | 0.038 | 0.052 | 0.063 | |
| Debt To Capital Ratio | 0.065 | 0.065 | 0.037 | 0.050 | 0.060 | |
| Long Term Debt To Capital Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Financial Leverage Ratio | 1.479 | 1.579 | 1.455 | 1.379 | 1.289 | |
| Working Capital Turnover Ratio | 1.326 | 1.151 | 0.935 | 0.728 | 0.846 | |
| Operating Cash Flow Ratio | 0.704 | 0.676 | 0.554 | 0.295 | 0.077 | |
| Operating Cash Flow Sales Ratio | 0.374 | 0.382 | 0.289 | 0.145 | 0.037 | |
| Free Cash Flow Operating Cash Flow Ratio | 0.953 | 0.958 | 0.979 | 0.896 | 0.609 | |
| Debt Service Coverage Ratio | 0.000 | 38.523 | 0.000 | 0.000 | -17.209 | |
| Interest Coverage Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Short Term Operating Cash Flow Coverage Ratio | 0.000 | 110.621 | 0.000 | 0.000 | 2.749 | |
| Operating Cash Flow Coverage Ratio | 4.135 | 4.988 | 6.135 | 1.889 | 0.283 | |
| Capital Expenditure Coverage Ratio | 21.431 | 23.565 | 48.140 | 9.647 | 2.557 | |
| Dividend Paid And Capex Coverage Ratio | 21.431 | 23.565 | 48.140 | 9.647 | 2.557 | |
| Dividend Payout Ratio | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | |
| Enterprise Value Multiple | 36.029 | 118.211 | 395.261 | -41.434 | -61.846 |
Sparkline shows each ratio oldest → newest (left → right).
How the latest year compares
For each ratio: its most recent value, the change versus one year earlier, and versus its 5-year average. ▲ higher ▼ lower
| Metric | Current | vs 1Y ago | vs 5Y avg |
|---|---|---|---|
| Gross Profit Margin | 71.7% | ▼-0.4% | ▼-0.4% |
| Ebit Margin | 17.6% | ▲3.9% | ▲18.6% |
| Ebitda Margin | 19.0% | ▲3.8% | ▲18.7% |
| Operating Profit Margin | 13.6% | ▲5.1% | ▲17.6% |
| Pretax Profit Margin | 17.6% | ▲3.9% | ▲18.6% |
| Continuous Operations Profit Margin | 39.9% | ▲28.1% | ▲37.0% |
| Net Profit Margin | 39.9% | ▲28.1% | ▲37.0% |
| Bottom Line Profit Margin | 39.9% | ▲28.1% | ▲37.0% |
| Current Ratio | 2.607 | ▼-0.002 | ▼-0.891 |
| Quick Ratio | 2.607 | ▼-0.002 | ▼-0.891 |
| Solvency Ratio | 0.664 | ▲0.456 | ▲0.605 |
| Cash Ratio | 1.880 | ▲0.019 | ▼-1.006 |
| Price To Earnings Ratio | 19.392 | ▼-139.544 | ▼-122.964 |
| Price To Earnings Growth Ratio | 0.056 | ▼-0.273 | ▼-1.381 |
| Forward Price To Earnings Growth Ratio | 0.056 | ▼-0.273 | ▼-1.381 |
| Price To Earnings Diluted Ratio | 20.478 | ▼-151.984 | ▼-124.800 |
| Price To Earnings Diluted Growth Ratio | 0.058 | ▼-0.337 | ▼-1.393 |
| Price To Book Ratio | 5.964 | ▼-11.143 | ▼-4.489 |
| Price To Sales Ratio | 7.742 | ▼-11.115 | ▼-6.310 |
| Price To Free Cash Flow Ratio | 21.727 | ▼-29.866 | ▼-164.096 |
| Price To Operating Cash Flow Ratio | 20.713 | ▼-28.690 | ▼-106.087 |
| Debt To Assets Ratio | 0.047 | ▲0.003 | ▲0.006 |
| Debt To Equity Ratio | 0.070 | ▲0.000 | ▲0.011 |
| Debt To Capital Ratio | 0.065 | ▲0.000 | ▲0.010 |
| Long Term Debt To Capital Ratio | 0.000 | 0.000 | 0.000 |
| Financial Leverage Ratio | 1.479 | ▼-0.100 | ▲0.043 |
| Working Capital Turnover Ratio | 1.326 | ▲0.175 | ▲0.329 |
| Operating Cash Flow Ratio | 0.704 | ▲0.028 | ▲0.242 |
| Operating Cash Flow Sales Ratio | 0.374 | ▼-0.008 | ▲0.129 |
| Free Cash Flow Operating Cash Flow Ratio | 0.953 | ▼-0.004 | ▲0.074 |
| Debt Service Coverage Ratio | 0.000 | ▼-38.523 | ▼-4.263 |
| Interest Coverage Ratio | 0.000 | 0.000 | 0.000 |
| Short Term Operating Cash Flow Coverage Ratio | 0.000 | ▼-110.621 | ▼-22.674 |
| Operating Cash Flow Coverage Ratio | 4.136 | ▼-0.853 | ▲0.649 |
| Capital Expenditure Coverage Ratio | 21.431 | ▼-2.134 | ▲0.363 |
| Dividend Paid And Capex Coverage Ratio | 21.431 | ▼-2.134 | ▲0.363 |
| Dividend Payout Ratio | 0.000 | 0.000 | 0.000 |
| Enterprise Value Multiple | 36.029 | ▼-82.182 | ▼-53.215 |
Key metrics
| Metric | Trend | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Market cap | $8.03B | $14.11B | $10.55B | $2.81B | $4.06B | |
| Enterprise value | $7.09B | $13.38B | $9.83B | $2.23B | $3.54B | |
| EV / Sales | 6.83x | 17.88x | 18.51x | 6.03x | 14.12x | |
| EV / Op. cash flow | 18.28x | 46.85x | 64.00x | 41.52x | 386.00x | |
| EV / Free cash flow | 19.18x | 48.93x | 65.36x | 46.32x | 633.88x | |
| EV / EBITDA | 36.03x | 118.21x | 395.26x | -41.43x | -61.85x | |
| Net debt / EBITDA | -4.79x | -6.44x | -29.05x | 10.78x | 9.11x | |
| Current ratio | 2.61x | 2.61x | 3.24x | 3.84x | 5.20x | |
| Income quality | 0.94x | 3.22x | 9.56x | -0.90x | -0.15x | |
| Graham number | $77 | $29 | $10 | — | — | |
| Graham net-net | $14 | $11 | $12 | $12 | $12 | |
| Tax burden | 227.0% | 86.6% | 90.4% | 101.6% | 100.3% | |
| Interest burden | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | |
| Working capital | $885.5M | $679.4M | $620.4M | $515.4M | $500.1M | |
| Invested capital | $1.07B | $776.2M | $671.4M | $563.4M | $541.3M | |
| Return on assets | 20.8% | 6.8% | 1.7% | -8.0% | -9.1% | |
| Operating ROA | 8.6% | 5.6% | -1.5% | -9.2% | -13.4% | |
| Return on tangible assets | 21.5% | 7.0% | 1.7% | -8.1% | -9.2% | |
| Return on equity | 30.7% | 10.7% | 2.5% | -11.0% | -11.7% | |
| Return on invested capital | 9.8% | 6.2% | -1.7% | -11.3% | -10.3% | |
| Return on capital employed | 9.8% | 7.2% | -1.9% | -11.4% | -10.3% | |
| Earnings yield | 5.2% | 0.6% | 0.2% | -2.1% | -1.5% | |
| Free cash flow yield | 4.6% | 1.9% | 1.4% | 1.7% | 0.1% | |
| Capex / Op. cash flow | 4.7% | 4.2% | 2.1% | 10.4% | 39.1% | |
| Capex / Depreciation | 125.7% | 111.6% | 45.0% | 114.2% | 131.5% | |
| Capex / Sales | 1.7% | 1.6% | 0.6% | 1.5% | 1.4% | |
| SG&A / Sales | 28.9% | 32.4% | 38.4% | 49.2% | 53.1% | |
| R&D / Sales | 29.2% | 31.1% | 36.3% | 40.3% | 41.4% | |
| Stock comp / Sales | 13.2% | 14.8% | 17.9% | 20.0% | 16.3% | |
| Intangibles / Total assets | 3.2% | 2.3% | 2.1% | 1.7% | 0.7% | |
| Days sales outstanding | 62d | 63d | 98d | 81d | 84d | |
| Days payables outstanding | 10d | 11d | 6d | 4d | 41d | |
| Operating cycle | 62d | 63d | 98d | 81d | 84d | |
| Cash conversion cycle | 52d | 52d | 92d | 77d | 43d |
Change by theme
Grouped by what each metric measures. Each figure is the change over the period shown — ▲ up ▼ down versus then.
Change over 1 year
Valuation
Market cap ▼-43.0%EV / Sales ▼-61.8%EV / EBITDA ▼-69.5%EV / Op. cash flow ▼-28.569Earnings yield ▲+0.045Graham number ▲+47.927
Profitability
Return on equity ▲+0.200Return on assets ▲+0.140Return on invested capital ▲+0.036Return on capital employed ▲+0.026Operating ROA ▲+0.029Income quality ▼-2.287Tax burden ▲+1.404
Efficiency
Days sales outstanding ▼-0.694Days payables outstanding ▼-1.200Operating cycle ▼-0.694Cash conversion cycle ▲+0.506Capex / Sales ▲+0.001R&D / Sales ▼-0.019
Balance-sheet strength
Current ratio ▼-0.002Net debt / EBITDA ▲+1.649Working capital ▲+206101000.000Invested capital ▲+289547000.000Intangibles / Total assets ▲+0.009
Change over 5 years
Valuation
Market cap ▲+97.8%EV / Sales ▼-51.6%EV / EBITDA ▲+158.3%EV / Op. cash flow ▼-367.713Earnings yield ▲+0.066
Profitability
Return on equity ▲+0.425Return on assets ▲+0.299Return on invested capital ▲+0.201Return on capital employed ▲+0.201Operating ROA ▲+0.220Income quality ▲+1.089Tax burden ▲+1.267
Efficiency
Days sales outstanding ▼-21.293Days payables outstanding ▼-30.902Operating cycle ▼-21.293Cash conversion cycle ▲+9.609Capex / Sales ▲+0.003R&D / Sales ▼-0.122
Balance-sheet strength
Current ratio ▼-2.592Net debt / EBITDA ▼-13.901Working capital ▲+385318000.000Invested capital ▲+524493000.000Intangibles / Total assets ▲+0.025
Employee count
Peer market caps
Recent news
- 2026-10-12 ROSEN, LEADING TRIAL ATTORNEYS, Encourages Duolingo, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - DUOL New York, New York--(Newsfile Corp. - October 12, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of Class A common stock of Duolingo, Inc. (NASDAQ: DUOL) between May 2, 2025 to February 26, 2026, inclusive (the "Class Period"). A class action lawsuit has already been filed.
- 2026-10-12 DUOL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Duolingo Investors of Securities Class Action Lawsuit Deadline on December 7, 2026 Faruqi & Faruqi, LLP Securities Litigation Partner James (Josh) Wilson Encourages Investors Who Suffered Losses In Duolingo To Contact Him Directly To Discuss Their Options
- 2026-10-12 DUOL Shareholder Alert: December 7, 2026 Lead Plaintiff Deadline in Duolingo, Inc. Securities Class Action - Contact Levi & Korsinsky Wall Street Reassessment: Analysts were modeling sustained user growth and roughly $344 million in fourth-quarter bookings while, the lawsuit alleges, Duolingo''s friction-heavy monetization and mass-produced AI lessons were already eroding daily active users Wall Street Reassessment: Analysts were modeling sustained user growth and roughly $344 million in fourth-quarter bookings while, the lawsuit alleges, Duolingo''s friction-heavy monetization and mass-produced AI lessons were already eroding daily active users
- 2026-10-12 Bronstein, Gewirtz & Grossman LLC Urges Duolingo, Inc. Investors to Act: Class Action Filed Alleging Investor Harm New class action for Duolingo, Inc. (DUOL) urges investors to seek recovery for alleged securities fraud violations – lead plaintiff deadline of 12/7/2026
- 2026-10-12 Kaplan Fox & Kilsheimer LLP Alerts Duolingo, Inc. (NASDAQ: DUOL) Investors to a Securities Class Action Deadline on December 7, 2026 NEW YORK, Oct. 12, 2026 (GLOBE NEWSWIRE) -- Kaplan Fox & Kilsheimer LLP announces that a class action lawsuit has been filed against Duolingo, Inc. (“Duolingo” or the “Company”) (NASDAQ: DUOL) on behalf of investors that purchased or otherwise acquired Duolingo Class A common stock between May 2, 2025 and February 26, 2026 (the “Class Period”). CLICK HERE TO JOIN THE CASE If you are an investor in Duolingo and have suffered losses, you may CLICK HERE to contact us.
- 2026-10-12 Duolingo, Inc. (DUOL) is Attracting Investor Attention: Here is What You Should Know Zacks.com users have recently been watching Duolingo (DUOL) quite a bit. Thus, it is worth knowing the facts that could determine the stock''s prospects.
- 2026-10-12 DUOL Stockholder Notice: Shareholder Rights Law Firm Robbins LLP Reminds Investors of the Securities Class Action Lawsuit Filed Against Duolingo, Inc. SAN DIEGO, Oct. 12, 2026 /PRNewswire/ -- Shareholder rights law firm Robbins LLP reminds investors that a class action was filed on behalf of all persons who purchased Duolingo, Inc. (NASDAQ: DUOL) Class A common stock between May 2, 2025 and February 26, 2026, inclusive (the "Class Period"). Duolingo is a leading, U.S.-based mobile learning platform that primarily focuses on language learning.
- 2026-10-11 ROSEN, TOP RANKED GLOBAL COUNSEL, Encourages Duolingo, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - DUOL New York, New York--(Newsfile Corp. - October 11, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of Class A common stock of Duolingo, Inc. (NASDAQ: DUOL) between May 2, 2025 to February 26, 2026, inclusive (the "Class Period"). A class action lawsuit has already been filed.
- 2026-10-11 Bronstein, Gewirtz & Grossman LLC Urges Duolingo, Inc. Investors to Act: Class Action Filed Alleging Investor Harm New York, New York--(Newsfile Corp. - October 11, 2026) - Bronstein, Gewirtz & Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against Duolingo, Inc. (NASDAQ: DUOL) and certain of its officers. This lawsuit seeks to recover damages against Defendants for alleged violations of the federal securities laws on behalf of all persons and entities that purchased or otherwise acquired Duolingo securities between May 2, 2025 and February 26, 2026, both dates inclusive (the "Class Period").
- 2026-10-11 Duolingo, Inc. Class Action Lawsuit Seeks Recovery for Investors; December 7, 2026, Deadline Duolingo, Inc. Class Action Lawsuit Seeks Recovery for Investors; December 7, 2026, DeadlinePR NewswireRADNOR, Pa., Oct. 11, 2026Did you buy DUOL Class A common