Duolingo, Inc. (DUOL) vs The Trade Desk, Inc. (TTD)
A side-by-side comparison of Duolingo, Inc. and The Trade Desk, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 8, 2026. Differences are shown without an overall score or investment verdict.
DUOL
Duolingo, Inc.
$130.90TechnologyAt close: Aug 7, 2026, 4:00 PM ET
TTD
The Trade Desk, Inc.
$13.80TechnologyAt close: Aug 7, 2026, 4:00 PM ET
Total return — DUOL vs TTD
growth of $100 · dividends reinvested · last 5yDUOL -5.8%TTD -83.1%DUOL compounded faster
Log scale — wide-divergence pair
DUOL TTD
DUOL vs TTD: by the numbers
- •TTD is the larger company ($6.49B vs $6.10B market cap).
- •DUOL trades at the lower trailing earnings multiple (15.70 vs 16.24 P/E), one valuation lens rather than an overall verdict.
- •DUOL converts more revenue to profit (35.87% vs 13.61% net margin).
- •DUOL grew revenue faster over the past five years (40.70% vs 23.62% CAGR).
Metrics side by side
Valuation
| Metric | DUOL | TTD |
|---|---|---|
| P/E ratio | 15.70 | 16.24 |
| Forward P/E | 46.35 | 13.83 |
| P/S ratio | 6.14 | 2.17 |
| P/B ratio | 4.85 | 2.52 |
| PEG ratio | 0.06 | 2.75 |
| EV / EBITDA | 32.14 | 7.79 |
| FCF yield | 6.17% | 17.57% |
Profitability
| Metric | DUOL | TTD |
|---|---|---|
| Gross margin | 72.34% | 83.04% |
| Operating margin | 14.18% | 19.61% |
| Net margin | 35.87% | 13.61% |
| ROE | 29.14% | 15.81% |
| ROIC | 9.80% | 13.38% |
Growth (annualized)
| Metric | DUOL | TTD |
|---|---|---|
| Revenue CAGR (5Y) | 40.70% | 23.62% |
| EPS CAGR (5Y) | N/A | 12.09% |
| FCF CAGR (5Y) | 99.20% | 32.39% |
| Total return CAGR (5Y) | -0.52% | -30.31% |
Frequently asked
- Which has the lower trailing P/E, DUOL or TTD?
- DUOL has the lower trailing P/E: DUOL trades at 15.70 and TTD at 16.24. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, DUOL or TTD?
- Over the past five years, DUOL grew revenue faster — DUOL at a 40.70% CAGR versus TTD at 23.62%.
- Is DUOL or TTD more profitable?
- DUOL runs the higher net margin — DUOL at 35.87% versus TTD at 13.61%.
- How have DUOL and TTD total returns compared?
- Over the past 5 years, DUOL delivered -0.52% and TTD delivered -30.31% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Duolingo P/E ratioTrade Desk P/E ratioDuolingo dividend yieldTrade Desk dividend yieldDuolingo ROETrade Desk ROEDuolingo operating marginTrade Desk operating marginDuolingo revenue growthTrade Desk revenue growthDuolingo free cash flowTrade Desk free cash flow
Duolingo & Trade Desk appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 8, 2026.