MGK vs. MAGS
MGK (Vanguard Mega Cap Growth ETF) and MAGS (Roundhill Magnificent Seven ETF) are both exchange-traded funds - MGK is a Large Cap Growth Equities fund tracking the CRSP US Mega Cap Growth Index, while MAGS is a Technology Equities fund actively managed by Roundhill. MGK is passively managed, while MAGS is actively managed. Over the past 3 years, MGK returned 23.33%/yr vs 29.20%/yr for MAGS. Their correlation of 0.92 suggests significant overlap in exposure. MGK charges 0.05%/yr vs 0.29%/yr for MAGS.
Performance
MGK vs. MAGS - Performance Comparison
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Returns By Period
In the year-to-date period, MGK achieves a 3.65% return, which is significantly higher than MAGS's -4.28% return.
MGK
- 1D
- -2.12%
- 1M
- -3.93%
- YTD
- 3.65%
- 6M
- 2.34%
- 1Y
- 21.62%
- 3Y*
- 23.33%
- 5Y*
- 13.84%
- 10Y*
- 18.97%
MAGS
- 1D
- -1.37%
- 1M
- -8.97%
- YTD
- -4.28%
- 6M
- -5.96%
- 1Y
- 18.84%
- 3Y*
- 29.20%
- 5Y*
- —
- 10Y*
- —
MGK vs. MAGS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
MGK Vanguard Mega Cap Growth ETF | 3.65% | 20.67% | 32.94% | 28.36% |
MAGS Roundhill Magnificent Seven ETF | -4.28% | 22.99% | 63.97% | 35.74% |
Correlation
The correlation between MGK and MAGS is 0.91, 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 | 0.91 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Apr 11, 2023 | 0.92 |
The correlation between MGK and MAGS has been stable across timeframes, ranging from 0.91 to 0.92 - a consistent structural relationship.
MGK vs. MAGS - Sectors Allocation Comparison
Sectors
MGK
MAGS
Technology
Communication Services
Consumer Cyclical
Healthcare
-
Financial Services
-
Real Estate
-
Utilities
-
Industrials
-
Basic Materials
-
Consumer Defensive
-
Energy
-
-
Technology
MGK
MAGS
Communication Services
MGK
MAGS
Consumer Cyclical
MGK
MAGS
Healthcare
MGK
MAGS
-
Financial Services
MGK
MAGS
-
Real Estate
MGK
MAGS
-
Utilities
MGK
MAGS
-
Industrials
MGK
MAGS
-
Basic Materials
MGK
MAGS
-
Consumer Defensive
MGK
MAGS
-
Energy
MGK
-
MAGS
-
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Return for Risk
MGK vs. MAGS — Risk / Return Rank
MGK
MAGS
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.
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.
| MGK | MAGS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.34 | ||
| Sortino ratioReturn per unit of downside risk | +0.42 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.17 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.29 | 1.02 | +0.27 |
| Martin ratioReturn relative to average drawdown | 4.31 | 3.34 | +0.97 |
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Drawdowns
MGK vs. MAGS - Drawdown Comparison
The maximum MGK drawdown since its inception was -48.43%, 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.
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Drawdown Indicators
| MGK | MAGS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.43% | -29.91% | -18.52% |
Max Drawdown (1Y)Largest decline over 1 year | -16.85% | -18.62% | +1.77% |
Max Drawdown (3Y)Largest decline over 3 years | -23.36% | -29.91% | +6.55% |
Max Drawdown (5Y)Largest decline over 5 years | -36.01% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -36.01% | — | — |
Current DrawdownCurrent decline from peak | -7.14% | -11.00% | +3.86% |
Average DrawdownAverage peak-to-trough decline | -7.58% | -4.75% | -2.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.02% | 5.65% | -0.63% |
Volatility
MGK vs. MAGS - Volatility Comparison
Vanguard Mega Cap Growth ETF (MGK) and Roundhill Magnificent Seven ETF (MAGS) have volatilities of 7.08% and 7.13%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MGK | MAGS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.08% | 7.13% | -0.05% |
Volatility (6M)Calculated over the trailing 6-month period | 13.75% | 15.51% | -1.76% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.33% | 20.74% | -3.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.80% | 26.02% | -3.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.96% | 26.02% | -4.06% |
MGK vs. MAGS - Expense Ratio Comparison
MGK has a 0.05% expense ratio, which is lower than MAGS's 0.29% expense ratio.
Dividends
MGK vs. MAGS - Dividend Comparison
MGK's dividend yield for the trailing twelve months is around 0.34%, less than MAGS's 1.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAGS Roundhill Magnificent Seven ETF | 1.55% | 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 | 0.34% | 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
With a correlation of 0.91, MGK and MAGS 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.
MAGS has higher volatility (7.13%) compared to MGK (7.08%). In terms of maximum drawdown, MGK dropped -48.43% vs MAGS's -29.91%.
On 3-year performance, MAGS leads with 29.20% vs 23.33% for MGK. On fees, MGK is cheaper at 0.05% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, MAGS has performed better with a 29.20% return vs 23.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
MGK is cheaper with a 0.05% expense ratio, compared with 0.29% for MAGS.
MAGS has the higher dividend yield at 1.55%, compared with 0.34% for MGK.
MGK is categorized as Large Cap Growth Equities, while MAGS is Technology Equities. They also come from different issuers: Vanguard and Roundhill. Their fees differ too: 0.05% for MGK and 0.29% for MAGS.
MGK currently has the higher Sharpe Ratio (1.26 vs 0.92), 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.
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