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.

Compare

Total returnDUOL vs TTD

growth of $100 · dividends reinvested · last 5y
DUOL -5.8%TTD -83.1%DUOL compounded faster
Log scale — wide-divergence pair
101001kStart $10020222023202420252026$94$17
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

MetricDUOLTTD
P/E ratio15.7016.24
Forward P/E46.3513.83
P/S ratio6.142.17
P/B ratio4.852.52
PEG ratio0.062.75
EV / EBITDA32.147.79
FCF yield6.17%17.57%

Profitability

MetricDUOLTTD
Gross margin72.34%83.04%
Operating margin14.18%19.61%
Net margin35.87%13.61%
ROE29.14%15.81%
ROIC9.80%13.38%

Growth (annualized)

MetricDUOLTTD
Revenue CAGR (5Y)40.70%23.62%
EPS CAGR (5Y)N/A12.09%
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.

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.