MGK vs. MAGS

Last updated Apr 1, 2026

Compare and contrast key facts about Vanguard Mega Cap Growth ETF (MGK) and Roundhill Magnificent Seven ETF (MAGS).

MGK and MAGS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MGK is a passively managed fund by Vanguard that tracks the performance of the CRSP US Mega Cap Growth Index. It was launched on Dec 17, 2007. MAGS is an actively managed fund by Roundhill. It was launched on Apr 10, 2023.

Performance

MGK vs. MAGS - Performance Comparison

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

MGK vs. MAGS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MGK Vanguard Mega Cap Growth ETF	-10.90%	20.67%	32.94%	29.11%
MAGS Roundhill Magnificent Seven ETF	-12.16%	22.99%	63.97%	37.32%

Returns By Period

In the year-to-date period, MGK achieves a -10.90% return, which is significantly higher than MAGS's -12.16% return.

MGK

• 1D: 3.95%
• 1M: -4.96%
• YTD: -10.90%
• 6M: -8.52%
• 1Y: 19.40%
• 3Y*: 22.12%
• 5Y*: 12.38%
• 10Y*: 16.84%

MAGS

• 1D: 4.60%
• 1M: -5.56%
• YTD: -12.16%
• 6M: -9.36%
• 1Y: 28.20%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MGK vs. MAGS - Expense Ratio Comparison

MGK has a 0.05% expense ratio, which is lower than MAGS's 0.29% expense ratio.

MAGS

Roundhill Magnificent Seven ETF

MGK

Vanguard Mega Cap Growth ETF

Return for Risk

MGK vs. MAGS — Risk / Return Rank

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

MGK

MGK Risk / Return Rank: 51
MGK Sharpe Ratio Rank: 50
MGK Sortino Ratio Rank: 56
MGK Omega Ratio Rank: 54
MGK Calmar Ratio Rank: 51
MGK Martin Ratio Rank: 46

MAGS

MAGS Risk / Return Rank: 62
MAGS Sharpe Ratio Rank: 59
MAGS Sortino Ratio Rank: 67
MAGS Omega Ratio Rank: 62
MAGS Calmar Ratio Rank: 63
MAGS Martin Ratio Rank: 58

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.

MGK vs. MAGS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mega Cap Growth ETF (MGK) and Roundhill Magnificent Seven ETF (MAGS). 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.

	MGK	MAGS	Difference
Sharpe ratio Return per unit of total volatility	0.84	0.99	-0.15
Sortino ratio Return per unit of downside risk	1.36	1.61	-0.24
Omega ratio Gain probability vs. loss probability	1.19	1.21	-0.02
Calmar ratio Return relative to maximum drawdown	1.16	1.49	-0.33
Martin ratio Return relative to average drawdown	4.07	5.25	-1.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MGK vs. MAGS - Sharpe Ratio Comparison

The current MGK Sharpe Ratio is 0.84, which is comparable to the MAGS Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of MGK and MAGS, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MGK	MAGS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.84	0.99	-0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.55	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	1.34	-0.74

Correlation

The correlation between MGK and MAGS is 0.93, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MGK vs. MAGS - Dividend Comparison

MGK's dividend yield for the trailing twelve months is around 0.39%, less than MAGS's 1.68% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGK Vanguard Mega Cap Growth ETF	0.39%	0.35%	0.43%	0.50%	0.70%	0.41%	0.65%	0.85%	1.12%	1.23%	1.53%	1.43%
MAGS Roundhill Magnificent Seven ETF	1.68%	1.48%	0.81%	0.44%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

MGK vs. MAGS - Drawdown Comparison

The maximum MGK drawdown since its inception was -47.97%, which is greater than MAGS's maximum drawdown of -29.91%. Use the drawdown chart below to compare losses from any high point for MGK and MAGS.

Drawdown Indicators

	MGK	MAGS	Difference
Max Drawdown Largest peak-to-trough decline	-47.97%	-29.91%	-18.06%
Max Drawdown (1Y) Largest decline over 1 year	-16.85%	-18.62%	+1.77%
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	-13.57%	-14.87%	+1.30%
Average Drawdown Average peak-to-trough decline	-7.51%	-4.75%	-2.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.81%	5.29%	-0.48%

Volatility

MGK vs. MAGS - Volatility Comparison

The current volatility for Vanguard Mega Cap Growth ETF (MGK) is 7.01%, while Roundhill Magnificent Seven ETF (MAGS) has a volatility of 8.36%. This indicates that MGK experiences smaller price fluctuations and is considered to be less risky than MAGS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MGK	MAGS	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.01%	8.36%	-1.35%
Volatility (6M) Calculated over the trailing 6-month period	12.88%	15.45%	-2.57%
Volatility (1Y) Calculated over the trailing 1-year period	23.33%	28.68%	-5.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.64%	26.29%	-3.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.82%	26.29%	-4.47%