PortfoliosLab logo
DUOL vs. COST
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility
Financials

Correlation

The correlation between DUOL and COST is 0.62, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.


Performance

DUOL vs. COST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Duolingo, Inc. (DUOL) and Costco Wholesale Corporation (COST). The values are adjusted to include any dividend payments, if applicable.

100.00%150.00%200.00%250.00%December2025FebruaryMarchAprilMay
269.12%
150.37%
DUOL
COST

Key characteristics

Sharpe Ratio

DUOL:

1.72

COST:

1.64

Sortino Ratio

DUOL:

2.27

COST:

2.19

Omega Ratio

DUOL:

1.32

COST:

1.30

Calmar Ratio

DUOL:

2.78

COST:

2.09

Martin Ratio

DUOL:

5.68

COST:

6.15

Ulcer Index

DUOL:

18.73%

COST:

5.87%

Daily Std Dev

DUOL:

61.84%

COST:

22.01%

Max Drawdown

DUOL:

-68.92%

COST:

-53.39%

Current Drawdown

DUOL:

0.00%

COST:

-6.35%

Fundamentals

Market Cap

DUOL:

$22.10B

COST:

$450.29B

EPS

DUOL:

$2.04

COST:

$17.15

PE Ratio

DUOL:

238.44

COST:

59.18

PS Ratio

DUOL:

27.24

COST:

1.71

PB Ratio

DUOL:

25.13

COST:

17.49

Total Revenue (TTM)

DUOL:

$811.21M

COST:

$264.09B

Gross Profit (TTM)

DUOL:

$584.81M

COST:

$35.11B

EBITDA (TTM)

DUOL:

$80.07M

COST:

$11.25B

Returns By Period

In the year-to-date period, DUOL achieves a 52.84% return, which is significantly higher than COST's 10.18% return.


DUOL

YTD

52.84%

1M

67.13%

6M

55.42%

1Y

99.15%

5Y*

N/A

10Y*

N/A

COST

YTD

10.18%

1M

11.05%

6M

12.27%

1Y

31.25%

5Y*

29.15%

10Y*

23.52%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Risk-Adjusted Performance

DUOL vs. COST — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

DUOL
The Risk-Adjusted Performance Rank of DUOL is 9191
Overall Rank
The Sharpe Ratio Rank of DUOL is 9393
Sharpe Ratio Rank
The Sortino Ratio Rank of DUOL is 8989
Sortino Ratio Rank
The Omega Ratio Rank of DUOL is 8989
Omega Ratio Rank
The Calmar Ratio Rank of DUOL is 9696
Calmar Ratio Rank
The Martin Ratio Rank of DUOL is 8888
Martin Ratio Rank

COST
The Risk-Adjusted Performance Rank of COST is 9090
Overall Rank
The Sharpe Ratio Rank of COST is 9393
Sharpe Ratio Rank
The Sortino Ratio Rank of COST is 8888
Sortino Ratio Rank
The Omega Ratio Rank of COST is 8787
Omega Ratio Rank
The Calmar Ratio Rank of COST is 9393
Calmar Ratio Rank
The Martin Ratio Rank of COST is 8989
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

DUOL vs. COST - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Duolingo, Inc. (DUOL) and Costco Wholesale Corporation (COST). 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.


The current DUOL Sharpe Ratio is 1.72, which is comparable to the COST Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of DUOL and COST, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00December2025FebruaryMarchAprilMay
1.62
1.43
DUOL
COST

Dividends

DUOL vs. COST - Dividend Comparison

DUOL has not paid dividends to shareholders, while COST's dividend yield for the trailing twelve months is around 0.47%.


TTM20242023202220212020201920182017201620152014
DUOL
Duolingo, Inc.
0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
COST
Costco Wholesale Corporation
0.47%0.49%2.87%0.76%0.54%3.38%0.86%1.08%4.81%1.09%4.06%0.97%

Drawdowns

DUOL vs. COST - Drawdown Comparison

The maximum DUOL drawdown since its inception was -68.92%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for DUOL and COST. For additional features, visit the drawdowns tool.


-40.00%-30.00%-20.00%-10.00%0.00%December2025FebruaryMarchAprilMay0
-6.35%
DUOL
COST

Volatility

DUOL vs. COST - Volatility Comparison

Duolingo, Inc. (DUOL) has a higher volatility of 26.48% compared to Costco Wholesale Corporation (COST) at 8.28%. This indicates that DUOL's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


5.00%10.00%15.00%20.00%25.00%30.00%December2025FebruaryMarchAprilMay
26.48%
8.28%
DUOL
COST

Financials

DUOL vs. COST - Financials Comparison

This section allows you to compare key financial metrics between Duolingo, Inc. and Costco Wholesale Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.


Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities


0.0020.00B40.00B60.00B80.00B20212022202320242025
230.74M
63.72B
(DUOL) Total Revenue
(COST) Total Revenue
Values in USD except per share items

DUOL vs. COST - Profitability Comparison

The chart below illustrates the profitability comparison between Duolingo, Inc. and Costco Wholesale Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

Gross Margin
Operating Margin
Net Margin
Quarterly
Annual

10.0%20.0%30.0%40.0%50.0%60.0%70.0%20212022202320242025
71.1%
15.1%
(DUOL) Gross Margin
(COST) Gross Margin
DUOL - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on May 2025, Duolingo, Inc. reported a gross profit of 164.10M and revenue of 230.74M. Therefore, the gross margin over that period was 71.1%.

COST - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on May 2025, Costco Wholesale Corporation reported a gross profit of 9.61B and revenue of 63.72B. Therefore, the gross margin over that period was 15.1%.

DUOL - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on May 2025, Duolingo, Inc. reported an operating income of 23.59M and revenue of 230.74M, resulting in an operating margin of 10.2%.

COST - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on May 2025, Costco Wholesale Corporation reported an operating income of 2.32B and revenue of 63.72B, resulting in an operating margin of 3.6%.

DUOL - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on May 2025, Duolingo, Inc. reported a net income of 35.14M and revenue of 230.74M, resulting in a net margin of 15.2%.

COST - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on May 2025, Costco Wholesale Corporation reported a net income of 1.79B and revenue of 63.72B, resulting in a net margin of 2.8%.