VGT vs. CMCSA

Last updated Jun 13, 2026

VGT (Vanguard Information Technology ETF) is Technology Equities fund tracking the MSCI USA IMI Information Technology 25/50 Index, while CMCSA (Comcast Corporation) is a stock. Over the past 10 years, VGT returned 25.19%/yr vs 1.27%/yr for CMCSA. At a 0.46 correlation, their price movements are largely independent.

Performance

VGT vs. CMCSA - Performance Comparison

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

Returns By Period

In the year-to-date period, VGT achieves a 24.03% return, which is significantly higher than CMCSA's -5.28% return. Over the past 10 years, VGT has outperformed CMCSA with an annualized return of 25.19%, while CMCSA has yielded a comparatively lower 1.27% annualized return.

VGT

• 1D: 0.58%
• 1M: 1.35%
• YTD: 24.03%
• 6M: 24.13%
• 1Y: 50.48%
• 3Y*: 29.84%
• 5Y*: 20.35%
• 10Y*: 25.19%

CMCSA

• 1D: 2.21%
• 1M: -2.66%
• YTD: -5.28%
• 6M: 3.97%
• 1Y: -17.53%
• 3Y*: -8.98%
• 5Y*: -10.72%
• 10Y*: 1.27%

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

VGT vs. CMCSA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VGT Vanguard Information Technology ETF	24.03%	21.77%	29.30%	52.66%	-29.70%	30.45%	46.04%	48.62%	2.46%	37.08%
CMCSA Comcast Corporation	-5.28%	-17.35%	-11.84%	29.08%	-28.68%	-2.22%	19.13%	34.04%	-12.71%	17.45%

Correlation

The correlation between VGT and CMCSA is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (10Y) Calculated over the trailing 10-year period	0.37
Correlation (All Time) Calculated using the full available price history since Jan 30, 2004	0.46

The correlation between VGT and CMCSA shifts across timeframes, from -0.09 (1 year) to 0.46 (all time), reflecting how their relationship changes across market environments.

Return for Risk

VGT vs. CMCSA — Risk / Return Rank

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

VGT

VGT Risk / Return Rank: 70
VGT Sharpe Ratio Rank: 79
VGT Sortino Ratio Rank: 71
VGT Omega Ratio Rank: 72
VGT Calmar Ratio Rank: 67
VGT Martin Ratio Rank: 59

CMCSA

CMCSA Risk / Return Rank: 16
CMCSA Sharpe Ratio Rank: 16
CMCSA Sortino Ratio Rank: 17
CMCSA Omega Ratio Rank: 16
CMCSA Calmar Ratio Rank: 18
CMCSA Martin Ratio Rank: 14

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.

VGT vs. CMCSA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Information Technology ETF (VGT) 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.

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.

	VGT	CMCSA	Difference
Sharpe ratio: Return per unit of total volatility	2.19	-0.62	+2.81
Sortino ratio: Return per unit of downside risk	2.74	-0.71	+3.45
Omega ratio: Gain probability vs. loss probability	1.36	0.90	+0.46
Calmar ratio: Return relative to maximum drawdown	2.94	-0.67	+3.61
Martin ratio: Return relative to average drawdown	9.11	-1.26	+10.37

VGT vs. CMCSA - Sharpe Ratio Comparison

The current VGT Sharpe Ratio is 2.19, which is higher than the CMCSA Sharpe Ratio of -0.62. The chart below compares the historical Sharpe Ratios of VGT 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.

Drawdowns

VGT vs. CMCSA - Drawdown Comparison

The maximum VGT drawdown since its inception was -54.63%, smaller than the maximum CMCSA drawdown of -67.89%. Use the drawdown chart below to compare losses from any high point for VGT and CMCSA.

Drawdown Indicators

	VGT	CMCSA	Difference
Max Drawdown Largest peak-to-trough decline	-54.63%	-67.89%	+13.26%
Max Drawdown (1Y) Largest decline over 1 year	-16.40%	-27.34%	+10.94%
Max Drawdown (3Y) Largest decline over 3 years	-27.23%	-39.87%	+12.64%
Max Drawdown (5Y) Largest decline over 5 years	-35.07%	-52.11%	+17.04%
Max Drawdown (10Y) Largest decline over 10 years	-35.07%	-52.11%	+17.04%
Current Drawdown Current decline from peak	-7.18%	-47.99%	+40.81%
Average Drawdown Average peak-to-trough decline	-7.95%	-24.62%	+16.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.28%	14.38%	-9.10%

Volatility

VGT vs. CMCSA - Volatility Comparison

Vanguard Information Technology ETF (VGT) has a higher volatility of 10.00% compared to Comcast Corporation (CMCSA) at 7.12%. This indicates that VGT'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

	VGT	CMCSA	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.00%	7.12%	+2.88%
Volatility (6M) Calculated over the trailing 6-month period	18.00%	24.86%	-6.86%
Volatility (1Y) Calculated over the trailing 1-year period	22.00%	29.24%	-7.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.40%	26.96%	-1.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.72%	26.49%	-1.77%

Dividends

VGT vs. CMCSA - Dividend Comparison

VGT's dividend yield for the trailing twelve months is around 0.33%, less than CMCSA's 11.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CMCSA Comcast Corporation	11.84%	4.35%	3.25%	2.60%	3.03%	1.95%	1.72%	1.40%	2.69%	1.18%	1.96%	1.73%
VGT Vanguard Information Technology ETF	0.33%	0.40%	0.60%	0.65%	0.91%	0.64%	0.82%	1.11%	1.29%	0.99%	1.31%	1.28%

Frequently Asked Questions

Can I hold both VGT and CMCSA in my portfolio?

VGT and CMCSA have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VGT or CMCSA?

VGT has higher volatility (10.00%) compared to CMCSA (7.12%). In terms of maximum drawdown, VGT dropped -54.63% vs CMCSA's -67.89%.

Which has better risk-adjusted returns?

VGT currently has the higher Sharpe Ratio (2.19 vs -0.62), 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.