NET vs. DUOL
NET (Cloudflare, Inc.) and DUOL (Duolingo, Inc.) are both stocks. Both are in the Technology sector — NET in Software - Infrastructure, DUOL in Software - Application. Over the past 3 years, NET returned 57.17%/yr vs -8.86%/yr for DUOL. At a 0.45 correlation, their price movements are largely independent.
Performance
NET vs. DUOL - Performance Comparison
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Returns By Period
In the year-to-date period, NET achieves a 25.69% return, which is significantly higher than DUOL's -32.79% return.
NET
- 1D
- -0.93%
- 1M
- 26.34%
- YTD
- 25.69%
- 6M
- 20.37%
- 1Y
- 37.91%
- 3Y*
- 57.17%
- 5Y*
- 22.42%
- 10Y*
- —
DUOL
- 1D
- 8.19%
- 1M
- 9.23%
- YTD
- -32.79%
- 6M
- -43.27%
- 1Y
- -77.00%
- 3Y*
- -8.86%
- 5Y*
- —
- 10Y*
- —
NET vs. DUOL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
NET Cloudflare, Inc. | 25.69% | 83.09% | 29.33% | 84.16% | -65.62% | 13.88% |
DUOL Duolingo, Inc. | -32.79% | -45.87% | 42.93% | 218.92% | -32.97% | -24.96% |
Correlation
The correlation between NET and DUOL is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.25 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2021 | 0.45 |
The correlation between NET and DUOL shifts across timeframes, from 0.25 (1 year) to 0.45 (all time), reflecting how their relationship changes across market environments.
Fundamentals
NET:
-$0.25
DUOL:
$11.67
NET:
37.07
DUOL:
3.89
NET:
$2.33B
DUOL:
$1.10B
NET:
$1.71B
DUOL:
$798.46M
NET:
$168.53M
DUOL:
$167.30M
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Return for Risk
NET vs. DUOL — Risk / Return Rank
NET
DUOL
NET vs. DUOL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Cloudflare, Inc. (NET) and Duolingo, Inc. (DUOL). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| NET | DUOL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.87 | ||
| Sortino ratioReturn per unit of downside risk | +3.68 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 0.70 | +0.47 |
| Calmar ratioReturn relative to maximum drawdown | 1.04 | -0.94 | +1.98 |
| Martin ratioReturn relative to average drawdown | 2.24 | -1.29 | +3.53 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| NET | DUOL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.64 | -1.23 | +1.87 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.33 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.71 | -0.05 | +0.76 |
Drawdowns
NET vs. DUOL - Drawdown Comparison
The maximum NET drawdown since its inception was -82.58%, roughly equal to the maximum DUOL drawdown of -83.35%. Use the drawdown chart below to compare losses from any high point for NET and DUOL.
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Drawdown Indicators
| NET | DUOL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.58% | -83.35% | +0.77% |
Max Drawdown (1Y)Largest decline over 1 year | -36.76% | -81.92% | +45.16% |
Max Drawdown (3Y)Largest decline over 3 years | -45.00% | -83.35% | +38.35% |
Max Drawdown (5Y)Largest decline over 5 years | -82.58% | — | — |
Current DrawdownCurrent decline from peak | -9.12% | -78.18% | +69.06% |
Average DrawdownAverage peak-to-trough decline | -37.59% | -35.65% | -1.94% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 16.97% | 60.78% | -43.81% |
Volatility
NET vs. DUOL - Volatility Comparison
Cloudflare, Inc. (NET) has a higher volatility of 33.91% compared to Duolingo, Inc. (DUOL) at 16.66%. This indicates that NET's price experiences larger fluctuations and is considered to be riskier than DUOL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| NET | DUOL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 33.91% | 16.66% | +17.25% |
Volatility (6M)Calculated over the trailing 6-month period | 53.25% | 41.79% | +11.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 59.59% | 63.05% | -3.46% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 68.44% | 66.32% | +2.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 67.78% | 66.32% | +1.46% |
Dividends
NET vs. DUOL - Dividend Comparison
Neither NET nor DUOL has paid dividends to shareholders.
Financials
NET vs. DUOL - Financials Comparison
This section allows you to compare key financial metrics between Cloudflare, Inc. and Duolingo, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
NET vs. DUOL - Profitability Comparison
NET - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cloudflare, Inc. reported a gross profit of 455.60M and revenue of 639.76M. Therefore, the gross margin over that period was 71.2%.
DUOL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Duolingo, Inc. reported a gross profit of 213.10M and revenue of 291.97M. Therefore, the gross margin over that period was 73.0%.
NET - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cloudflare, Inc. reported an operating income of -61.99M and revenue of 639.76M, resulting in an operating margin of -9.7%.
DUOL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Duolingo, Inc. reported an operating income of 44.53M and revenue of 291.97M, resulting in an operating margin of 15.3%.
NET - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cloudflare, Inc. reported a net income of -22.93M and revenue of 639.76M, resulting in a net margin of -3.6%.
DUOL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Duolingo, Inc. reported a net income of 43.46M and revenue of 291.97M, resulting in a net margin of 14.9%.
Frequently Asked Questions
NET and DUOL have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NET has higher volatility (33.91%) compared to DUOL (16.66%). In terms of maximum drawdown, NET dropped -82.58% vs DUOL's -83.35%.
NET currently has the higher Sharpe Ratio (0.64 vs -1.23), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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