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VMGAX vs. IWY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between VMGAX and IWY is 0.98, 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.


-0.50.00.51.01.0

Performance

VMGAX vs. IWY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Mega Cap Growth Index Fund Institutional Shares (VMGAX) and iShares Russell Top 200 Growth ETF (IWY). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%15.00%20.00%SeptemberOctoberNovemberDecember2025
15.99%
15.97%
VMGAX
IWY

Key characteristics

Sharpe Ratio

VMGAX:

1.61

IWY:

1.66

Sortino Ratio

VMGAX:

2.16

IWY:

2.21

Omega Ratio

VMGAX:

1.29

IWY:

1.30

Calmar Ratio

VMGAX:

2.20

IWY:

2.24

Martin Ratio

VMGAX:

8.10

IWY:

8.21

Ulcer Index

VMGAX:

3.69%

IWY:

3.78%

Daily Std Dev

VMGAX:

18.56%

IWY:

18.64%

Max Drawdown

VMGAX:

-48.61%

IWY:

-32.68%

Current Drawdown

VMGAX:

-2.15%

IWY:

-2.37%

Returns By Period

In the year-to-date period, VMGAX achieves a 1.84% return, which is significantly higher than IWY's 1.44% return. Over the past 10 years, VMGAX has underperformed IWY with an annualized return of 17.00%, while IWY has yielded a comparatively higher 18.28% annualized return.


VMGAX

YTD

1.84%

1M

0.86%

6M

14.14%

1Y

29.12%

5Y*

19.11%

10Y*

17.00%

IWY

YTD

1.44%

1M

0.64%

6M

13.85%

1Y

30.19%

5Y*

20.16%

10Y*

18.28%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


VMGAX vs. IWY - Expense Ratio Comparison

VMGAX has a 0.06% expense ratio, which is lower than IWY's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


IWY
iShares Russell Top 200 Growth ETF
Expense ratio chart for IWY: current value at 0.20% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.20%
Expense ratio chart for VMGAX: current value at 0.06% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.06%

Risk-Adjusted Performance

VMGAX vs. IWY — Risk-Adjusted Performance Rank

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

VMGAX
The Risk-Adjusted Performance Rank of VMGAX is 8181
Overall Rank
The Sharpe Ratio Rank of VMGAX is 8181
Sharpe Ratio Rank
The Sortino Ratio Rank of VMGAX is 7979
Sortino Ratio Rank
The Omega Ratio Rank of VMGAX is 7878
Omega Ratio Rank
The Calmar Ratio Rank of VMGAX is 8585
Calmar Ratio Rank
The Martin Ratio Rank of VMGAX is 8181
Martin Ratio Rank

IWY
The Risk-Adjusted Performance Rank of IWY is 6969
Overall Rank
The Sharpe Ratio Rank of IWY is 7070
Sharpe Ratio Rank
The Sortino Ratio Rank of IWY is 6767
Sortino Ratio Rank
The Omega Ratio Rank of IWY is 6969
Omega Ratio Rank
The Calmar Ratio Rank of IWY is 6969
Calmar Ratio Rank
The Martin Ratio Rank of IWY is 6868
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

VMGAX vs. IWY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Mega Cap Growth Index Fund Institutional Shares (VMGAX) and iShares Russell Top 200 Growth ETF (IWY). 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.


Sharpe ratio
The chart of Sharpe ratio for VMGAX, currently valued at 1.61, compared to the broader market-1.000.001.002.003.004.001.611.66
The chart of Sortino ratio for VMGAX, currently valued at 2.16, compared to the broader market0.002.004.006.008.0010.0012.002.162.21
The chart of Omega ratio for VMGAX, currently valued at 1.29, compared to the broader market1.002.003.004.001.291.30
The chart of Calmar ratio for VMGAX, currently valued at 2.20, compared to the broader market0.005.0010.0015.0020.002.202.24
The chart of Martin ratio for VMGAX, currently valued at 8.10, compared to the broader market0.0020.0040.0060.0080.008.108.21
VMGAX
IWY

The current VMGAX Sharpe Ratio is 1.61, which is comparable to the IWY Sharpe Ratio of 1.66. The chart below compares the historical Sharpe Ratios of VMGAX and IWY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio1.502.002.503.00SeptemberOctoberNovemberDecember2025
1.61
1.66
VMGAX
IWY

Dividends

VMGAX vs. IWY - Dividend Comparison

VMGAX's dividend yield for the trailing twelve months is around 0.43%, more than IWY's 0.42% yield.


TTM20242023202220212020201920182017201620152014
VMGAX
Vanguard Mega Cap Growth Index Fund Institutional Shares
0.43%0.44%0.51%0.71%0.42%0.65%0.86%1.13%1.23%1.53%1.44%1.25%
IWY
iShares Russell Top 200 Growth ETF
0.42%0.42%0.68%0.88%0.50%0.71%1.06%1.32%1.26%1.51%1.58%1.44%

Drawdowns

VMGAX vs. IWY - Drawdown Comparison

The maximum VMGAX drawdown since its inception was -48.61%, which is greater than IWY's maximum drawdown of -32.68%. Use the drawdown chart below to compare losses from any high point for VMGAX and IWY. For additional features, visit the drawdowns tool.


-14.00%-12.00%-10.00%-8.00%-6.00%-4.00%-2.00%0.00%SeptemberOctoberNovemberDecember2025
-2.15%
-2.37%
VMGAX
IWY

Volatility

VMGAX vs. IWY - Volatility Comparison

Vanguard Mega Cap Growth Index Fund Institutional Shares (VMGAX) and iShares Russell Top 200 Growth ETF (IWY) have volatilities of 6.63% and 6.69%, 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.


3.00%4.00%5.00%6.00%7.00%8.00%9.00%SeptemberOctoberNovemberDecember2025
6.63%
6.69%
VMGAX
IWY
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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