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ROKU vs. CMCSA
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility
Financials

Correlation

The correlation between ROKU and CMCSA is 0.28, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


-0.50.00.51.00.3

Performance

ROKU vs. CMCSA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roku, Inc. (ROKU) and Comcast Corporation (CMCSA). The values are adjusted to include any dividend payments, if applicable.

-20.00%-10.00%0.00%10.00%20.00%30.00%AugustSeptemberOctoberNovemberDecember2025
21.33%
-7.27%
ROKU
CMCSA

Key characteristics

Sharpe Ratio

ROKU:

-0.17

CMCSA:

-0.45

Sortino Ratio

ROKU:

0.14

CMCSA:

-0.48

Omega Ratio

ROKU:

1.02

CMCSA:

0.94

Calmar Ratio

ROKU:

-0.11

CMCSA:

-0.30

Martin Ratio

ROKU:

-0.30

CMCSA:

-0.84

Ulcer Index

ROKU:

32.22%

CMCSA:

13.00%

Daily Std Dev

ROKU:

56.16%

CMCSA:

23.94%

Max Drawdown

ROKU:

-91.91%

CMCSA:

-67.78%

Current Drawdown

ROKU:

-84.17%

CMCSA:

-34.69%

Fundamentals

Market Cap

ROKU:

$10.91B

CMCSA:

$139.97B

EPS

ROKU:

-$1.19

CMCSA:

$3.71

Total Revenue (TTM)

ROKU:

$2.91B

CMCSA:

$91.82B

Gross Profit (TTM)

ROKU:

$1.27B

CMCSA:

$57.40B

EBITDA (TTM)

ROKU:

-$86.36M

CMCSA:

$29.27B

Returns By Period

In the year-to-date period, ROKU achieves a 2.09% return, which is significantly higher than CMCSA's -1.71% return.


ROKU

YTD

2.09%

1M

-3.31%

6M

21.33%

1Y

-9.72%

5Y*

-10.28%

10Y*

N/A

CMCSA

YTD

-1.71%

1M

-1.37%

6M

-7.28%

1Y

-12.93%

5Y*

-2.63%

10Y*

5.06%

*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

ROKU vs. CMCSA — Risk-Adjusted Performance Rank

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

ROKU
The Risk-Adjusted Performance Rank of ROKU is 3838
Overall Rank
The Sharpe Ratio Rank of ROKU is 3737
Sharpe Ratio Rank
The Sortino Ratio Rank of ROKU is 3636
Sortino Ratio Rank
The Omega Ratio Rank of ROKU is 3737
Omega Ratio Rank
The Calmar Ratio Rank of ROKU is 3939
Calmar Ratio Rank
The Martin Ratio Rank of ROKU is 4040
Martin Ratio Rank

CMCSA
The Risk-Adjusted Performance Rank of CMCSA is 2424
Overall Rank
The Sharpe Ratio Rank of CMCSA is 2222
Sharpe Ratio Rank
The Sortino Ratio Rank of CMCSA is 2020
Sortino Ratio Rank
The Omega Ratio Rank of CMCSA is 2020
Omega Ratio Rank
The Calmar Ratio Rank of CMCSA is 2828
Calmar Ratio Rank
The Martin Ratio Rank of CMCSA is 2828
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.

ROKU vs. CMCSA - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Roku, Inc. (ROKU) and Comcast Corporation (CMCSA). 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.


Sharpe ratio
The chart of Sharpe ratio for ROKU, currently valued at -0.17, compared to the broader market-2.000.002.004.00-0.17-0.45
The chart of Sortino ratio for ROKU, currently valued at 0.14, compared to the broader market-4.00-2.000.002.004.000.14-0.48
The chart of Omega ratio for ROKU, currently valued at 1.02, compared to the broader market0.501.001.502.001.020.94
The chart of Calmar ratio for ROKU, currently valued at -0.11, compared to the broader market0.002.004.006.00-0.11-0.30
The chart of Martin ratio for ROKU, currently valued at -0.30, compared to the broader market-10.000.0010.0020.00-0.30-0.84
ROKU
CMCSA

The current ROKU Sharpe Ratio is -0.17, which is higher than the CMCSA Sharpe Ratio of -0.45. The chart below compares the historical Sharpe Ratios of ROKU and CMCSA, 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 Ratio-0.500.000.50AugustSeptemberOctoberNovemberDecember2025
-0.17
-0.45
ROKU
CMCSA

Dividends

ROKU vs. CMCSA - Dividend Comparison

ROKU has not paid dividends to shareholders, while CMCSA's dividend yield for the trailing twelve months is around 3.39%.


TTM20242023202220212020201920182017201620152014
ROKU
Roku, 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%
CMCSA
Comcast Corporation
3.39%3.25%2.60%3.03%1.95%1.72%1.40%2.70%1.18%1.96%1.73%1.16%

Drawdowns

ROKU vs. CMCSA - Drawdown Comparison

The maximum ROKU drawdown since its inception was -91.91%, which is greater than CMCSA's maximum drawdown of -67.78%. Use the drawdown chart below to compare losses from any high point for ROKU and CMCSA. For additional features, visit the drawdowns tool.


-90.00%-80.00%-70.00%-60.00%-50.00%-40.00%-30.00%-20.00%AugustSeptemberOctoberNovemberDecember2025
-84.17%
-34.69%
ROKU
CMCSA

Volatility

ROKU vs. CMCSA - Volatility Comparison

Roku, Inc. (ROKU) has a higher volatility of 13.81% compared to Comcast Corporation (CMCSA) at 4.98%. This indicates that ROKU's price experiences larger fluctuations and is considered to be riskier than CMCSA 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%AugustSeptemberOctoberNovemberDecember2025
13.81%
4.98%
ROKU
CMCSA

Financials

ROKU vs. CMCSA - Financials Comparison

This section allows you to compare key financial metrics between Roku, Inc. and Comcast 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


Values in USD except per share items
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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