Duolingo (DUOL) vs Qualys (QLYS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Qualys (QLYS) has outperformed Duolingo (DUOL) over the past year, gaining 52.6% versus a loss of 56.5%. Over five years, QLYS leads with a +70.3% price change compared with -3.2% for DUOL. Duolingo is the larger company by market cap ($7.05 billion vs $6.71 billion), about 1.1 times the size.
On valuation, Duolingo trades at a lower forward P/E (19.8x vs 22.9x for Qualys). Duolingo converts more of its revenue into profit, with a net margin of 39.9% versus 29.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | DUOL | QLYS |
|---|---|---|
| Share price | $151.22 | $193.86 |
| Market cap | $7.05B | $6.71B |
| 1-day change | -0.33% | -0.46% |
| YTD return | -13.83% | +46.54% |
| 1-year return | -56.45% | +52.55% |
| 5-year return | -3.18% | +70.31% |
| P/E ratio (TTM) | 17.96 | 33.60 |
| Forward P/E | 19.80 | 22.94 |
| EPS (TTM) | $8.42 | $5.77 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.04B | $669.13M |
| Revenue growth (YoY) | +38.71% | +10.13% |
| Net income (latest FY) | $414.06M | $198.32M |
| Gross margin | 72.23% | 82.85% |
| Operating margin | 13.07% | 33.17% |
| Net margin | 39.91% | 29.64% |
| 52-week high | $353.00 | $204.41 |
| 52-week low | $87.89 | $74.51 |
| Distance from 52-week high | -57.16% | -5.16% |
| Analyst consensus | hold | hold |
| Avg. price target upside | -11.20% | -7.48% |
| Average volume | 1.15M | 723.05K |
| Shares outstanding | 40.24M | 34.60M |
| Employees | 900 | 2,718 |
| Sector | Technology | Technology |
| Industry | Computer Software: Prepackaged Software | Computer Software: Prepackaged Software |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- QLYS has outperformed DUOL by 109.0 percentage points over the past year.
- Qualys trades at a higher earnings multiple (33.6x vs 18.0x trailing P/E).
- Duolingo is more profitable, keeping 39.9 cents of every revenue dollar as net income versus 29.6 cents for Qualys.
- Duolingo grew revenue faster in its latest fiscal year (+38.71% vs +10.13%).
About Duolingo
DUOL stock →Duolingo, Inc. operates as a mobile learning platform in the United States, the United Kingdom, and internationally.
Technology · Computer Software: Prepackaged Software · 900 employees
About Qualys
QLYS stock →Qualys, Inc. provides cloud-based platform delivering information technology (IT), security, and compliance solutions in the United States and internationally.
Technology · Computer Software: Prepackaged Software · 2,718 employees
DUOL vs QLYS FAQ
Which is bigger, Duolingo or Qualys?
Duolingo (DUOL) is larger, with a market capitalization of $7.05B compared with $6.71B for Qualys (QLYS).
Which stock has performed better over the past year, DUOL or QLYS?
QLYS returned +52.55% over the past 12 months, compared with -56.45% for DUOL (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, DUOL or QLYS?
DUOL has the lower trailing P/E at 18.0, versus 33.6 for QLYS. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are Duolingo and Qualys in the same industry?
Yes. Both are classified in the Computer Software: Prepackaged Software industry within the Technology sector.