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GMXAX vs. VEMPX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

GMXAX vs. VEMPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nationwide Mid Cap Market Index Fund (GMXAX) and Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX). The values are adjusted to include any dividend payments, if applicable.

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GMXAX vs. VEMPX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
GMXAX
Nationwide Mid Cap Market Index Fund
2.42%6.84%12.15%15.89%-13.45%24.33%12.79%25.35%-10.65%2.80%
VEMPX
Vanguard Extended Market Index Fund Institutional Plus Shares
-1.26%11.43%15.50%26.98%-26.45%12.48%32.24%28.06%-9.35%18.13%

Returns By Period

In the year-to-date period, GMXAX achieves a 2.42% return, which is significantly higher than VEMPX's -1.26% return. Over the past 10 years, GMXAX has underperformed VEMPX with an annualized return of 8.64%, while VEMPX has yielded a comparatively higher 10.95% annualized return.


GMXAX

1D
2.88%
1M
-6.20%
YTD
2.42%
6M
3.66%
1Y
16.08%
3Y*
11.11%
5Y*
5.88%
10Y*
8.64%

VEMPX

1D
3.43%
1M
-5.35%
YTD
-1.26%
6M
-1.36%
1Y
20.17%
3Y*
15.09%
5Y*
4.01%
10Y*
10.95%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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GMXAX vs. VEMPX - Expense Ratio Comparison

GMXAX has a 0.68% expense ratio, which is higher than VEMPX's 0.04% expense ratio.


Return for Risk

GMXAX vs. VEMPX — Risk / Return Rank

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

GMXAX
GMXAX Risk / Return Rank: 3636
Overall Rank
GMXAX Sharpe Ratio Rank: 3131
Sharpe Ratio Rank
GMXAX Sortino Ratio Rank: 3434
Sortino Ratio Rank
GMXAX Omega Ratio Rank: 3131
Omega Ratio Rank
GMXAX Calmar Ratio Rank: 4040
Calmar Ratio Rank
GMXAX Martin Ratio Rank: 4646
Martin Ratio Rank

VEMPX
VEMPX Risk / Return Rank: 4949
Overall Rank
VEMPX Sharpe Ratio Rank: 4242
Sharpe Ratio Rank
VEMPX Sortino Ratio Rank: 4747
Sortino Ratio Rank
VEMPX Omega Ratio Rank: 4141
Omega Ratio Rank
VEMPX Calmar Ratio Rank: 5656
Calmar Ratio Rank
VEMPX Martin Ratio Rank: 5858
Martin Ratio Rank
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.

GMXAX vs. VEMPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nationwide Mid Cap Market Index Fund (GMXAX) and Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX). 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.


GMXAXVEMPXDifference

Sharpe ratio

Return per unit of total volatility

0.80

0.91

-0.11

Sortino ratio

Return per unit of downside risk

1.27

1.41

-0.14

Omega ratio

Gain probability vs. loss probability

1.17

1.19

-0.02

Calmar ratio

Return relative to maximum drawdown

1.21

1.39

-0.18

Martin ratio

Return relative to average drawdown

5.19

5.71

-0.52

GMXAX vs. VEMPX - Sharpe Ratio Comparison

The current GMXAX Sharpe Ratio is 0.80, which is comparable to the VEMPX Sharpe Ratio of 0.91. The chart below compares the historical Sharpe Ratios of GMXAX and VEMPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


GMXAXVEMPXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.80

0.91

-0.11

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.30

0.18

+0.12

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.41

0.49

-0.08

Sharpe Ratio (All Time)

Calculated using the full available price history

0.39

0.50

-0.11

Correlation

The correlation between GMXAX and VEMPX is 0.96, 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

GMXAX vs. VEMPX - Dividend Comparison

GMXAX's dividend yield for the trailing twelve months is around 12.72%, more than VEMPX's 1.19% yield.


TTM20252024202320222021202020192018201720162015
GMXAX
Nationwide Mid Cap Market Index Fund
12.72%12.93%11.73%6.17%9.58%12.52%3.18%5.18%23.21%0.85%9.60%13.94%
VEMPX
Vanguard Extended Market Index Fund Institutional Plus Shares
1.19%1.15%1.11%1.27%1.17%1.15%1.09%1.32%1.68%1.27%1.46%1.39%

Drawdowns

GMXAX vs. VEMPX - Drawdown Comparison

The maximum GMXAX drawdown since its inception was -55.64%, which is greater than VEMPX's maximum drawdown of -41.62%. Use the drawdown chart below to compare losses from any high point for GMXAX and VEMPX.


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Drawdown Indicators


GMXAXVEMPXDifference

Max Drawdown

Largest peak-to-trough decline

-55.64%

-41.62%

-14.02%

Max Drawdown (1Y)

Largest decline over 1 year

-14.08%

-14.63%

+0.55%

Max Drawdown (5Y)

Largest decline over 5 years

-24.21%

-36.32%

+12.11%

Max Drawdown (10Y)

Largest decline over 10 years

-42.22%

-41.62%

-0.60%

Current Drawdown

Current decline from peak

-6.20%

-7.17%

+0.97%

Average Drawdown

Average peak-to-trough decline

-8.10%

-8.04%

-0.06%

Ulcer Index

Depth and duration of drawdowns from previous peaks

3.28%

3.57%

-0.29%

Volatility

GMXAX vs. VEMPX - Volatility Comparison

The current volatility for Nationwide Mid Cap Market Index Fund (GMXAX) is 6.50%, while Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX) has a volatility of 7.02%. This indicates that GMXAX experiences smaller price fluctuations and is considered to be less risky than VEMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


GMXAXVEMPXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.50%

7.02%

-0.52%

Volatility (6M)

Calculated over the trailing 6-month period

11.81%

13.51%

-1.70%

Volatility (1Y)

Calculated over the trailing 1-year period

20.96%

22.99%

-2.03%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

19.70%

22.38%

-2.68%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

21.28%

22.33%

-1.05%