GIIAX vs. MUIGX

Last updated Aug 1, 2026

GIIAX (Nationwide International Index Fund) and MUIGX (Nationwide BNY Mellon Dynamic U.S. Core Fund) are both mutual funds - GIIAX is a Foreign Large Cap Equities fund managed by Nationwide, while MUIGX is a Large Cap Blend Equities fund managed by Nationwide. Over the past 10 years, GIIAX returned 8.98%/yr vs 15.96%/yr for MUIGX. Their 0.68 correlation means they have sometimes moved together and sometimes differently. GIIAX charges 0.71%/yr vs 0.50%/yr for MUIGX.

Performance

GIIAX vs. MUIGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nationwide International Index Fund (GIIAX) and Nationwide BNY Mellon Dynamic U.S. Core Fund (MUIGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GIIAX achieves a 12.14% return, which is significantly higher than MUIGX's 8.64% return. Over the past 10 years, GIIAX has underperformed MUIGX with an annualized return of 8.98%, while MUIGX has yielded a comparatively higher 15.96% annualized return.

GIIAX

• 1D: 2.95%
• 1M: 1.95%
• 6M: 6.79%
• YTD: 12.14%
• 1Y: 25.41%
• 3Y*: 15.66%
• 5Y*: 8.87%
• 10Y*: 8.98%
• ALL TIME*: 4.27%

MUIGX

• 1D: 1.56%
• 1M: -0.71%
• 6M: 7.28%
• YTD: 8.64%
• 1Y: 19.33%
• 3Y*: 17.62%
• 5Y*: 10.74%
• 10Y*: 15.96%
• ALL TIME*: 8.44%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
GIIAX Nationwide International Index Fund	$0.00	$0.00	$0.00
MUIGX Nationwide BNY Mellon Dynamic U.S. Core Fund	$0.00	$0.00	$0.00

GIIAX vs. MUIGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GIIAX Nationwide International Index Fund	12.14%	31.11%	3.05%	16.88%	-14.43%	10.67%	7.26%	21.56%	-14.10%	24.81%
MUIGX Nationwide BNY Mellon Dynamic U.S. Core Fund	8.64%	17.35%	22.33%	24.28%	-21.86%	30.48%	19.17%	47.45%	-0.65%	27.24%

Correlation

The correlation between GIIAX and MUIGX is 0.78, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.78
Correlation (3Y) Balances recent behavior with more history.	0.72
Correlation (5Y) Shows whether the relationship held over a longer period.	0.75
Correlation (10Y) Provides a long-term view across more market conditions.	0.75
Correlation (All Time) Calculated using the full available price history since Jan 3, 2000	0.68

The correlation between GIIAX and MUIGX shifts across timeframes, from 0.68 (all time) to 0.78 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

GIIAX vs. MUIGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

GIIAX

GIIAX Risk / Return Rank: 63
GIIAX Sharpe Ratio Rank: 65
GIIAX Sortino Ratio Rank: 64
GIIAX Omega Ratio Rank: 62
GIIAX Calmar Ratio Rank: 63
GIIAX Martin Ratio Rank: 61

MUIGX

MUIGX Risk / Return Rank: 49
MUIGX Sharpe Ratio Rank: 48
MUIGX Sortino Ratio Rank: 45
MUIGX Omega Ratio Rank: 44
MUIGX Calmar Ratio Rank: 51
MUIGX Martin Ratio Rank: 58

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

GIIAX vs. MUIGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nationwide International Index Fund (GIIAX) and Nationwide BNY Mellon Dynamic U.S. Core Fund (MUIGX). 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.

	GIIAX	MUIGX	Difference
Sharpe ratio: Return per unit of total volatility	1.54	1.35	+0.20
Sortino ratio: Return per unit of downside risk	2.22	1.91	+0.31
Omega ratio: Gain probability vs. loss probability	1.28	1.24	+0.04
Calmar ratio: Return relative to maximum drawdown	2.13	1.93	+0.20
Martin ratio: Return relative to average drawdown	7.84	7.89	-0.05

GIIAX vs. MUIGX - Sharpe Ratio Comparison

The current GIIAX Sharpe Ratio is 1.54, which is comparable to the MUIGX Sharpe Ratio of 1.35. The chart below compares the historical Sharpe Ratios of GIIAX and MUIGX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

GIIAX vs. MUIGX - Drawdown Comparison

The maximum GIIAX drawdown since its inception was -61.28%, smaller than the maximum MUIGX drawdown of -68.10%. Use the drawdown chart below to compare losses from any high point for GIIAX and MUIGX.

Drawdown Indicators

	GIIAX	MUIGX	Difference
Max Drawdown Largest peak-to-trough decline	-61.28%	-68.10%	+6.82%
Max Drawdown (1Y) Largest decline over 1 year	-11.21%	-8.95%	-2.26%
Max Drawdown (3Y) Largest decline over 3 years	-13.63%	-18.02%	+4.39%
Max Drawdown (5Y) Largest decline over 5 years	-29.61%	-27.33%	-2.28%
Max Drawdown (10Y) Largest decline over 10 years	-34.23%	-32.70%	-1.53%
Current Drawdown Current decline from peak	0.00%	-2.55%	+2.55%
Average Drawdown Average peak-to-trough decline	-15.97%	-16.83%	+0.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.04%	2.19%	+0.85%

Volatility

GIIAX vs. MUIGX - Volatility Comparison

Nationwide International Index Fund (GIIAX) has a higher volatility of 4.88% compared to Nationwide BNY Mellon Dynamic U.S. Core Fund (MUIGX) at 3.32%. This indicates that GIIAX's price experiences larger fluctuations and is considered to be riskier than MUIGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GIIAX	MUIGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.88%	3.32%	+1.56%
Volatility (6M) Calculated over the trailing 6-month period	13.38%	10.09%	+3.29%
Volatility (1Y) Calculated over the trailing 1-year period	15.51%	12.83%	+2.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.87%	17.08%	-1.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.12%	18.51%	-2.39%

GIIAX vs. MUIGX - Expense Ratio Comparison

GIIAX has a 0.71% expense ratio, which is higher than MUIGX's 0.50% expense ratio.

Dividends

GIIAX vs. MUIGX - Dividend Comparison

GIIAX's dividend yield for the trailing twelve months is around 6.54%, more than MUIGX's 4.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GIIAX Nationwide International Index Fund	6.54%	7.14%	3.84%	2.99%	1.90%	3.69%	1.58%	4.20%	6.17%	6.21%	2.87%	3.36%
MUIGX Nationwide BNY Mellon Dynamic U.S. Core Fund	4.56%	4.96%	4.60%	1.41%	1.15%	7.64%	2.77%	14.46%	48.57%	10.32%	5.60%	4.96%

Frequently Asked Questions

Can I hold both GIIAX and MUIGX in my portfolio?

GIIAX and MUIGX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GIIAX or MUIGX?

GIIAX has higher volatility (4.88%) compared to MUIGX (3.32%). In terms of maximum drawdown, GIIAX dropped -61.28% vs MUIGX's -68.10%.

Which has better risk-adjusted returns?

GIIAX currently has the higher Sharpe Ratio (1.54 vs 1.35), 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.