MAGS vs. MGK

Last updated Jun 3, 2026

MAGS (Roundhill Magnificent Seven ETF) and MGK (Vanguard Mega Cap Growth ETF) are both exchange-traded funds - MAGS is a Technology Equities fund actively managed by Roundhill, while MGK is a Large Cap Growth Equities fund tracking the CRSP US Mega Cap Growth Index. MAGS is actively managed, while MGK is passively managed. Over the past 3 years, MAGS returned 34.19%/yr vs 27.25%/yr for MGK. Their correlation of 0.92 suggests significant overlap in exposure. MAGS charges 0.29%/yr vs 0.05%/yr for MGK.

Performance

MAGS vs. MGK - Performance Comparison

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

Returns By Period

In the year-to-date period, MAGS achieves a 4.87% return, which is significantly lower than MGK's 11.27% return.

MAGS

• 1D: -0.99%
• 1M: 3.44%
• YTD: 4.87%
• 6M: 4.75%
• 1Y: 33.10%
• 3Y*: 34.19%
• 5Y*: —
• 10Y*: —

MGK

• 1D: -0.30%
• 1M: 8.29%
• YTD: 11.27%
• 6M: 10.68%
• 1Y: 32.46%
• 3Y*: 27.25%
• 5Y*: 16.84%
• 10Y*: 19.37%

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

MAGS vs. MGK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MAGS Roundhill Magnificent Seven ETF	4.87%	22.99%	63.97%	37.32%
MGK Vanguard Mega Cap Growth ETF	11.27%	20.67%	32.94%	29.11%

Correlation

The correlation between MAGS and MGK is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (All Time) Calculated using the full available price history since Apr 12, 2023	0.92

The correlation between MAGS and MGK has been stable across timeframes, ranging from 0.90 to 0.92 - a consistent structural relationship.

MAGS vs. MGK - Sectors Allocation Comparison

Sectors	MAGS	MGK
Technology	15.3%	56.1%
Consumer Cyclical	10.5%	12.8%
Communication Services	9.3%	17.3%
Basic Materials	-	0.7%
Consumer Defensive	-	0.4%
Energy	-	-
Financial Services	-	4.5%
Healthcare	-	4.5%
Industrials	-	1.1%
Real Estate	-	1.3%
Utilities	-	1.2%

Return for Risk

MAGS vs. MGK — Risk / Return Rank

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

MAGS

MAGS Risk / Return Rank: 42
MAGS Sharpe Ratio Rank: 47
MAGS Sortino Ratio Rank: 45
MAGS Omega Ratio Rank: 44
MAGS Calmar Ratio Rank: 37
MAGS Martin Ratio Rank: 40

MGK

MGK Risk / Return Rank: 51
MGK Sharpe Ratio Rank: 59
MGK Sortino Ratio Rank: 56
MGK Omega Ratio Rank: 56
MGK Calmar Ratio Rank: 40
MGK Martin Ratio Rank: 43

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.

MAGS vs. MGK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Magnificent Seven ETF (MAGS) 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.

	MAGS	MGK	Difference
Sharpe ratio Return per unit of total volatility	1.66	2.02	-0.36
Sortino ratio Return per unit of downside risk	2.26	2.71	-0.45
Omega ratio Gain probability vs. loss probability	1.28	1.35	-0.06
Calmar ratio Return relative to maximum drawdown	1.83	2.00	-0.17
Martin ratio Return relative to average drawdown	6.35	6.90	-0.55
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MAGS vs. MGK - Sharpe Ratio Comparison

The current MAGS Sharpe Ratio is 1.66, which is comparable to the MGK Sharpe Ratio of 2.02. The chart below compares the historical Sharpe Ratios of MAGS and MGK, 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

	MAGS	MGK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.66	2.02	-0.36
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.75	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.89	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.57	0.66	+0.91

Drawdowns

MAGS vs. MGK - Drawdown Comparison

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

Drawdown Indicators

	MAGS	MGK	Difference
Max Drawdown Largest peak-to-trough decline	-29.91%	-47.97%	+18.06%
Max Drawdown (1Y) Largest decline over 1 year	-18.62%	-16.85%	-1.77%
Max Drawdown (3Y) Largest decline over 3 years	-29.91%	-23.36%	-6.55%
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	-2.50%	-0.30%	-2.20%
Average Drawdown Average peak-to-trough decline	-4.70%	-7.47%	+2.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.37%	4.89%	+0.48%

Volatility

MAGS vs. MGK - Volatility Comparison

Roundhill Magnificent Seven ETF (MAGS) has a higher volatility of 4.63% compared to Vanguard Mega Cap Growth ETF (MGK) at 3.75%. This indicates that MAGS's price experiences larger fluctuations and is considered to be riskier than MGK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MAGS	MGK	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.63%	3.75%	+0.88%
Volatility (6M) Calculated over the trailing 6-month period	14.26%	12.32%	+1.94%
Volatility (1Y) Calculated over the trailing 1-year period	20.05%	16.20%	+3.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.95%	22.63%	+3.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.95%	21.88%	+4.07%

MAGS vs. MGK - Expense Ratio Comparison

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

Dividends

MAGS vs. MGK - Dividend Comparison

MAGS's dividend yield for the trailing twelve months is around 1.41%, more than MGK's 0.31% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MAGS Roundhill Magnificent Seven ETF	1.41%	1.48%	0.81%	0.44%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MGK Vanguard Mega Cap Growth ETF	0.31%	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 MAGS and MGK in my portfolio?

With a correlation of 0.90, MAGS and MGK move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MAGS or MGK?

MAGS has higher volatility (4.63%) compared to MGK (3.75%). In terms of maximum drawdown, MAGS dropped -29.91% vs MGK's -47.97%.

Which ETF is better, MAGS or MGK?

On 3-year performance, MAGS leads with 34.19% vs 27.25% for MGK. On fees, MGK is cheaper at 0.05% per year. On volatility, MGK has been the lower-risk option at 3.75%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, MAGS or MGK?

Over the 3-year period, MAGS has performed better with a 34.19% return vs 27.25%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, MAGS or MGK?

MGK is cheaper with a 0.05% expense ratio, compared with 0.29% for MAGS.

Which ETF pays a higher dividend yield, MAGS or MGK?

MAGS has the higher dividend yield at 1.41%, compared with 0.31% for MGK.

What is the main difference between MAGS and MGK?

MAGS is categorized as Technology Equities, while MGK is Large Cap Growth Equities. They also come from different issuers: Roundhill and Vanguard. Their fees differ too: 0.29% for MAGS and 0.05% for MGK.

Which has better risk-adjusted returns?

MGK currently has the higher Sharpe Ratio (2.02 vs 1.66), 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.