CMA vs. MGK

Last updated Jul 11, 2026

CMA (Comerica Incorporated) is a stock, while MGK (Vanguard Mega Cap Growth ETF) is Large Cap Growth Equities fund tracking the CRSP US Mega Cap Growth Index. At a 0.47 correlation, their price movements are largely independent.

Performance

CMA vs. MGK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Comerica Incorporated (CMA) and Vanguard Mega Cap Growth ETF (MGK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

CMA

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

MGK

• 1D: 0.52%
• 1M: 2.61%
• 6M: 7.63%
• YTD: 8.08%
• 1Y: 21.05%
• 3Y*: 24.59%
• 5Y*: 13.97%
• 10Y*: 18.77%

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

CMA vs. MGK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CMA Comerica Incorporated	2.00%	46.73%	16.74%	-11.09%	-20.38%	61.53%	-16.79%	8.46%	-19.18%	29.34%
MGK Vanguard Mega Cap Growth ETF	8.08%	20.67%	32.94%	51.67%	-33.59%	28.58%	41.01%	37.38%	-2.91%	29.49%

Correlation

The correlation between CMA and MGK is 0.07, 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	0.07
Correlation (3Y) Calculated over the trailing 3-year period	0.28
Correlation (5Y) Calculated over the trailing 5-year period	0.39
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Dec 27, 2007	0.47

Over the past year, the correlation between CMA and MGK has dropped to 0.07 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.

Return for Risk

CMA vs. MGK — Risk / Return Rank

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

CMA

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

MGK

MGK Risk / Return Rank: 37
MGK Sharpe Ratio Rank: 42
MGK Sortino Ratio Rank: 40
MGK Omega Ratio Rank: 39
MGK Calmar Ratio Rank: 31
MGK Martin Ratio Rank: 34

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.

CMA vs. MGK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Comerica Incorporated (CMA) and Vanguard Mega Cap Growth ETF (MGK). 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.

	CMA	MGK	Difference
Sharpe ratio: Return per unit of total volatility	—	1.19	—
Sortino ratio: Return per unit of downside risk	—	1.70	—
Omega ratio: Gain probability vs. loss probability	—	1.21	—
Calmar ratio: Return relative to maximum drawdown	—	1.24	—
Martin ratio: Return relative to average drawdown	—	4.04	—

Drawdowns

Drawdown Indicators

	CMA	MGK	Difference
Max Drawdown Largest peak-to-trough decline	—	-48.43%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-16.85%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-23.36%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-36.01%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-36.01%	—
Current Drawdown Current decline from peak	—	-3.16%	—
Average Drawdown Average peak-to-trough decline	—	-7.57%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	5.17%	—

Volatility

Volatility by Period

	CMA	MGK	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	6.80%	—
Volatility (6M) Calculated over the trailing 6-month period	—	14.17%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	17.54%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	22.85%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	21.96%	—

Dividends

CMA vs. MGK - Dividend Comparison

CMA has not paid dividends to shareholders, while MGK's dividend yield for the trailing twelve months is around 0.33%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CMA Comerica Incorporated	1.60%	3.27%	4.59%	5.09%	4.07%	3.13%	4.87%	3.74%	2.68%	1.26%	1.31%	1.98%
MGK Vanguard Mega Cap Growth ETF	0.33%	0.35%	0.43%	0.50%	0.70%	0.41%	0.65%	0.85%	1.12%	1.23%	1.53%	1.43%

Frequently Asked Questions

Can I hold both CMA and MGK in my portfolio?

CMA and MGK have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.