COUR vs. DUOL
COUR (Coursera, Inc.) and DUOL (Duolingo, Inc.) are both stocks. COUR operates in Education & Training Services (Consumer Defensive), while DUOL operates in Software - Application (Technology). Over the past 5 years, COUR returned -31.65%/yr vs -0.79%/yr for DUOL. Their 0.38 correlation means their historical movements had little consistent relationship.
Performance
COUR vs. DUOL - Performance Comparison
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Returns By Period
In the year-to-date period, COUR achieves a -27.85% return, which is significantly lower than DUOL's -23.19% return.
COUR
- 1D
- 0.76%
- 1M
- -10.00%
- 6M
- -12.38%
- YTD
- -27.85%
- 1Y
- -56.37%
- 3Y*
- -30.42%
- 5Y*
- -31.65%
- 10Y*
- —
- ALL TIME*
- -31.19%
DUOL
- 1D
- 0.91%
- 1M
- 7.20%
- 6M
- 0.56%
- YTD
- -23.19%
- 1Y
- -60.23%
- 3Y*
- -3.98%
- 5Y*
- -0.79%
- 10Y*
- —
- ALL TIME*
- -0.95%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
COUR Coursera, Inc. | $47.09M | $38.50M | $40.73M |
DUOL Duolingo, Inc. | $135.82M | $130.76M | $177.13M |
COUR vs. DUOL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
COUR Coursera, Inc. | -27.85% | -13.41% | -56.12% | 63.74% | -51.60% | -35.70% |
DUOL Duolingo, Inc. | -23.19% | -45.87% | 42.93% | 218.92% | -32.97% | -24.96% |
Correlation
The correlation between COUR and DUOL is 0.34, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.34 |
Correlation (3Y) Balances recent behavior with more history. | 0.33 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.38 |
Correlation (All Time) Calculated using the full available price history since Jul 28, 2021 | 0.38 |
Fundamentals
COUR:
$975.00M
DUOL:
$6.28B
COUR:
-$0.78
DUOL:
$13.23
COUR:
1.05
DUOL:
3.92
COUR:
$885.40M
DUOL:
$1.10B
COUR:
$494.80M
DUOL:
$798.46M
COUR:
-$115.70M
DUOL:
$167.30M
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Return for Risk
COUR vs. DUOL — Risk / Return Rank
COUR
DUOL
COUR vs. DUOL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Coursera, Inc. (COUR) 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| COUR | DUOL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.10 | ||
| Sortino ratioReturn per unit of downside risk | -0.19 | ||
| Omega ratioGain probability vs. loss probability | 0.79 | 0.83 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | -0.97 | -0.80 | -0.17 |
| Martin ratioReturn relative to average drawdown | -1.32 | -1.06 | -0.26 |
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Drawdowns
COUR vs. DUOL - Drawdown Comparison
The maximum COUR drawdown since its inception was -91.22%, which is greater than DUOL's maximum drawdown of -83.35%. Use the drawdown chart below to compare losses from any high point for COUR and DUOL.
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Drawdown Indicators
| COUR | DUOL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -91.22% | -83.35% | -7.87% |
Max Drawdown (1Y)Largest decline over 1 year | -59.92% | -76.96% | +17.04% |
Max Drawdown (3Y)Largest decline over 3 years | -75.81% | -83.35% | +7.54% |
Max Drawdown (5Y)Largest decline over 5 years | -88.25% | -83.35% | -4.90% |
Current DrawdownCurrent decline from peak | -90.84% | -75.07% | -15.77% |
Average DrawdownAverage peak-to-trough decline | -73.44% | -36.82% | -36.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 44.01% | 57.85% | -13.84% |
Volatility
COUR vs. DUOL - Volatility Comparison
Coursera, Inc. (COUR) and Duolingo, Inc. (DUOL) have volatilities of 19.02% and 18.21%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COUR | DUOL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.02% | 18.21% | +0.81% |
Volatility (6M)Calculated over the trailing 6-month period | 45.44% | 43.82% | +1.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 56.24% | 65.41% | -9.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 59.25% | 66.14% | -6.89% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 60.31% | 66.11% | -5.80% |
Dividends
COUR vs. DUOL - Dividend Comparison
Neither COUR nor DUOL has paid dividends to shareholders.
Financials
COUR vs. DUOL - Financials Comparison
This section allows you to compare key financial metrics between Coursera, 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
COUR vs. DUOL - Profitability Comparison
COUR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Coursera, Inc. reported a gross profit of 173.40M and revenue of 298.60M. Therefore, the gross margin over that period was 58.1%.
DUOL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 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%.
COUR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Coursera, Inc. reported an operating income of -84.70M and revenue of 298.60M, resulting in an operating margin of -28.4%.
DUOL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Duolingo, Inc. reported an operating income of 44.53M and revenue of 291.97M, resulting in an operating margin of 15.3%.
COUR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Coursera, Inc. reported a net income of -80.40M and revenue of 298.60M, resulting in a net margin of -26.9%.
DUOL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 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
COUR and DUOL have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COUR has higher volatility (19.02%) compared to DUOL (18.21%). In terms of maximum drawdown, COUR dropped -91.22% vs DUOL's -83.35%.
DUOL currently has the higher Sharpe Ratio (-0.94 vs -1.04), 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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