LBRDA vs. CMCSA

Last updated Jun 4, 2026

LBRDA (Liberty Broadband Corporation) and CMCSA (Comcast Corporation) are both stocks. Both are in the Communication Services sector — LBRDA in Telecom Services, CMCSA in Entertainment. Over the past 10 years, LBRDA returned -5.39%/yr vs 0.72%/yr for CMCSA. A 0.61 correlation means they provide meaningful diversification when combined.

Performance

LBRDA vs. CMCSA - Performance Comparison

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

Returns By Period

In the year-to-date period, LBRDA achieves a -37.68% return, which is significantly lower than CMCSA's -9.07% return. Over the past 10 years, LBRDA has underperformed CMCSA with an annualized return of -5.39%, while CMCSA has yielded a comparatively higher 0.72% annualized return.

LBRDA

• 1D: -8.26%
• 1M: -21.99%
• YTD: -37.68%
• 6M: -34.77%
• 1Y: -62.91%
• 3Y*: -22.78%
• 5Y*: -26.37%
• 10Y*: -5.39%

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)

LBRDA vs. CMCSA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LBRDA Liberty Broadband Corporation	-37.68%	-26.05%	-7.79%	6.32%	-52.86%	2.11%	26.51%	73.46%	-15.57%	17.38%
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 LBRDA and CMCSA is 0.59, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.62
Correlation (All Time) Calculated using the full available price history since Nov 5, 2014	0.61

The correlation between LBRDA and CMCSA has been stable across timeframes, ranging from 0.59 to 0.68 - a consistent structural relationship.

Fundamentals

EPS LBRDA : -$25.45 CMCSA : $5.05
PS Ratio LBRDA : 12.38 CMCSA : 0.69
Total Revenue (TTM) LBRDA : $261.00M CMCSA : $125.28B
Gross Profit (TTM) LBRDA : $203.00M CMCSA : $77.26B
EBITDA (TTM) LBRDA : -$3.70B CMCSA : $45.00B

Return for Risk

LBRDA vs. CMCSA — Risk / Return Rank

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

LBRDA

LBRDA Risk / Return Rank: 3
LBRDA Sharpe Ratio Rank: 1
LBRDA Sortino Ratio Rank: 2
LBRDA Omega Ratio Rank: 2
LBRDA Calmar Ratio Rank: 4
LBRDA Martin Ratio Rank: 5

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.

LBRDA vs. CMCSA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Liberty Broadband Corporation (LBRDA) 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.

	LBRDA	CMCSA	Difference
Sharpe ratio: Return per unit of total volatility	-1.29	-0.69	-0.60
Sortino ratio: Return per unit of downside risk	-2.02	-0.82	-1.20
Omega ratio: Gain probability vs. loss probability	0.70	0.89	-0.19
Calmar ratio: Return relative to maximum drawdown	-0.95	-0.75	-0.19
Martin ratio: Return relative to average drawdown	-1.54	-1.46	-0.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LBRDA vs. CMCSA - Sharpe Ratio Comparison

The current LBRDA Sharpe Ratio is -1.29, which is lower than the CMCSA Sharpe Ratio of -0.69. The chart below compares the historical Sharpe Ratios of LBRDA 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

	LBRDA	CMCSA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.29	-0.69	-0.60
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.65	-0.43	-0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.16	0.03	-0.18
Sharpe Ratio (All Time) Calculated using the full available price history	-0.08	0.27	-0.35

Drawdowns

LBRDA vs. CMCSA - Drawdown Comparison

The maximum LBRDA drawdown since its inception was -81.68%, which is greater than CMCSA's maximum drawdown of -67.89%. Use the drawdown chart below to compare losses from any high point for LBRDA and CMCSA.

Drawdown Indicators

	LBRDA	CMCSA	Difference
Max Drawdown Largest peak-to-trough decline	-81.68%	-67.89%	-13.79%
Max Drawdown (1Y) Largest decline over 1 year	-66.69%	-26.74%	-39.95%
Max Drawdown (3Y) Largest decline over 3 years	-66.69%	-39.87%	-26.82%
Max Drawdown (5Y) Largest decline over 5 years	-81.68%	-52.11%	-29.57%
Max Drawdown (10Y) Largest decline over 10 years	-81.68%	-52.11%	-29.57%
Current Drawdown Current decline from peak	-81.68%	-50.07%	-31.61%
Average Drawdown Average peak-to-trough decline	-26.64%	-24.60%	-2.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	40.86%	13.73%	+27.13%

Volatility

LBRDA vs. CMCSA - Volatility Comparison

Liberty Broadband Corporation (LBRDA) has a higher volatility of 14.09% compared to Comcast Corporation (CMCSA) at 7.07%. This indicates that LBRDA'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

	LBRDA	CMCSA	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.09%	7.07%	+7.02%
Volatility (6M) Calculated over the trailing 6-month period	42.26%	25.07%	+17.19%
Volatility (1Y) Calculated over the trailing 1-year period	48.88%	29.29%	+19.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	40.79%	26.94%	+13.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	34.87%	26.48%	+8.39%

Dividends

LBRDA vs. CMCSA - Dividend Comparison

LBRDA's dividend yield for the trailing twelve months is around 20.28%, more 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%
LBRDA Liberty Broadband Corporation	20.28%	12.64%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both LBRDA and CMCSA in my portfolio?

LBRDA and CMCSA have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LBRDA or CMCSA?

LBRDA has higher volatility (14.09%) compared to CMCSA (7.07%). In terms of maximum drawdown, LBRDA dropped -81.68% vs CMCSA's -67.89%.

Which has better risk-adjusted returns?

CMCSA currently has the higher Sharpe Ratio (-0.69 vs -1.29), 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.