CNK vs. CMCSA

Last updated Jun 4, 2026

CNK (Cinemark Holdings, Inc.) and CMCSA (Comcast Corporation) are both stocks. Both operate in the Entertainment industry within the Communication Services sector. Over the past 10 years, CNK returned -0.30%/yr vs 0.72%/yr for CMCSA. At a 0.34 correlation, their price movements are largely independent.

Performance

CNK vs. CMCSA - Performance Comparison

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

Returns By Period

In the year-to-date period, CNK achieves a 28.80% return, which is significantly higher than CMCSA's -9.07% return. Over the past 10 years, CNK has underperformed CMCSA with an annualized return of -0.30%, while CMCSA has yielded a comparatively higher 0.72% annualized return.

CNK

• 1D: -2.81%
• 1M: 9.46%
• YTD: 28.80%
• 6M: 30.77%
• 1Y: -6.76%
• 3Y*: 21.67%
• 5Y*: 6.41%
• 10Y*: -0.30%

CMCSA

• 1D: -5.35%
• 1M: -13.11%
• YTD: -9.07%
• 6M: -0.92%
• 1Y: -20.03%
• 3Y*: -9.09%
• 5Y*: -11.49%
• 10Y*: 0.72%

*Multi-year figures are annualized to reflect compound growth (CAGR)

CNK vs. CMCSA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CNK Cinemark Holdings, Inc.	28.80%	-24.07%	119.87%	62.70%	-46.28%	-7.41%	-47.79%	-1.90%	6.36%	-6.39%
CMCSA Comcast Corporation	-9.07%	-17.35%	-11.84%	29.08%	-28.68%	-2.22%	19.13%	34.04%	-12.71%	17.45%

Correlation

The correlation between CNK and CMCSA is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.17
Correlation (5Y) Calculated over the trailing 5-year period	0.27
Correlation (10Y) Calculated over the trailing 10-year period	0.27
Correlation (All Time) Calculated using the full available price history since Apr 25, 2007	0.34

The correlation between CNK and CMCSA shifts across timeframes, from 0.17 (3 years) to 0.34 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap CNK : $3.41B CMCSA : $85.07B
EPS CNK : $1.34 CMCSA : $5.05
PE Ratio CNK : 22.15 CMCSA : 4.66
PS Ratio CNK : 1.17 CMCSA : 0.69
PB Ratio CNK : 8.95 CMCSA : 0.96
Total Revenue (TTM) CNK : $3.22B CMCSA : $125.28B
Gross Profit (TTM) CNK : $1.05B CMCSA : $77.26B
EBITDA (TTM) CNK : $544.10M CMCSA : $45.00B

Return for Risk

CNK vs. CMCSA — Risk / Return Rank

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

CNK

CNK Risk / Return Rank: 32
CNK Sharpe Ratio Rank: 34
CNK Sortino Ratio Rank: 30
CNK Omega Ratio Rank: 30
CNK Calmar Ratio Rank: 33
CNK Martin Ratio Rank: 34

CMCSA

CMCSA Risk / Return Rank: 11
CMCSA Sharpe Ratio Rank: 12
CMCSA Sortino Ratio Rank: 14
CMCSA Omega Ratio Rank: 13
CMCSA Calmar Ratio Rank: 12
CMCSA Martin Ratio Rank: 6

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

CNK vs. CMCSA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cinemark Holdings, Inc. (CNK) 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.

	CNK	CMCSA	Difference
Sharpe ratio: Return per unit of total volatility	-0.17	-0.69	+0.51
Sortino ratio: Return per unit of downside risk	0.03	-0.82	+0.84
Omega ratio: Gain probability vs. loss probability	1.00	0.89	+0.11
Calmar ratio: Return relative to maximum drawdown	-0.21	-0.75	+0.54
Martin ratio: Return relative to average drawdown	-0.38	-1.46	+1.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CNK vs. CMCSA - Sharpe Ratio Comparison

The current CNK Sharpe Ratio is -0.17, which is higher than the CMCSA Sharpe Ratio of -0.69. The chart below compares the historical Sharpe Ratios of CNK and CMCSA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CNK	CMCSA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.17	-0.69	+0.51
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.15	-0.43	+0.58
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.01	0.03	-0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.11	0.27	-0.16

Drawdowns

CNK vs. CMCSA - Drawdown Comparison

The maximum CNK drawdown since its inception was -83.80%, which is greater than CMCSA's maximum drawdown of -67.89%. Use the drawdown chart below to compare losses from any high point for CNK and CMCSA.

Drawdown Indicators

	CNK	CMCSA	Difference
Max Drawdown Largest peak-to-trough decline	-83.80%	-67.89%	-15.91%
Max Drawdown (1Y) Largest decline over 1 year	-32.40%	-26.74%	-5.66%
Max Drawdown (3Y) Largest decline over 3 years	-38.38%	-39.87%	+1.49%
Max Drawdown (5Y) Largest decline over 5 years	-64.29%	-52.11%	-12.18%
Max Drawdown (10Y) Largest decline over 10 years	-83.80%	-52.11%	-31.69%
Current Drawdown Current decline from peak	-25.39%	-50.07%	+24.68%
Average Drawdown Average peak-to-trough decline	-26.20%	-24.60%	-1.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	17.83%	13.73%	+4.10%

Volatility

CNK vs. CMCSA - Volatility Comparison

Cinemark Holdings, Inc. (CNK) has a higher volatility of 13.14% compared to Comcast Corporation (CMCSA) at 7.07%. This indicates that CNK'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.

Volatility by Period

	CNK	CMCSA	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.14%	7.07%	+6.07%
Volatility (6M) Calculated over the trailing 6-month period	30.88%	25.07%	+5.81%
Volatility (1Y) Calculated over the trailing 1-year period	39.52%	29.29%	+10.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.85%	26.94%	+16.91%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.95%	26.48%	+29.47%

Dividends

CNK vs. CMCSA - Dividend Comparison

CNK's dividend yield for the trailing twelve months is around 1.18%, less than CMCSA's 12.34% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CMCSA Comcast Corporation	12.34%	4.35%	3.25%	2.60%	3.03%	1.95%	1.72%	1.40%	2.69%	1.18%	1.96%	1.73%
CNK Cinemark Holdings, Inc.	1.18%	1.42%	0.00%	0.00%	0.00%	0.00%	2.07%	4.02%	3.58%	3.33%	2.82%	2.99%

Financials

CNK vs. CMCSA - Profitability Comparison

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

CNK - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cinemark Holdings, Inc. reported a gross profit of 134.90M and revenue of 643.10M. Therefore, the gross margin over that period was 21.0%.

CMCSA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Comcast Corporation reported a gross profit of 20.57B and revenue of 31.46B. Therefore, the gross margin over that period was 65.4%.

CNK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cinemark Holdings, Inc. reported an operating income of 23.50M and revenue of 643.10M, resulting in an operating margin of 3.7%.

CMCSA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Comcast Corporation reported an operating income of 4.14B and revenue of 31.46B, resulting in an operating margin of 13.1%.

CNK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cinemark Holdings, Inc. reported a net income of -6.40M and revenue of 643.10M, resulting in a net margin of -1.0%.

CMCSA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Comcast Corporation reported a net income of 2.17B and revenue of 31.46B, resulting in a net margin of 6.9%.

Frequently Asked Questions

Can I hold both CNK and CMCSA in my portfolio?

CNK and CMCSA have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CNK or CMCSA?

CNK has higher volatility (13.14%) compared to CMCSA (7.07%). In terms of maximum drawdown, CNK dropped -83.80% vs CMCSA's -67.89%.

Which has better risk-adjusted returns?

CNK currently has the higher Sharpe Ratio (-0.17 vs -0.69), 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.