NWCIX vs. GMXAX

Last updated Jun 5, 2026

NWCIX (Nationwide BNY Mellon Core Plus Bond ESG Fund) and GMXAX (Nationwide Mid Cap Market Index Fund) are both mutual funds - NWCIX is a Intermediate Core-Plus Bond fund managed by Nationwide, while GMXAX is a Mid Cap Blend Equities fund managed by Nationwide. Over the past 10 years, NWCIX returned 2.17%/yr vs 9.41%/yr for GMXAX. At a 0.00 correlation, their price movements are largely independent. NWCIX charges 0.46%/yr vs 0.68%/yr for GMXAX.

Performance

NWCIX vs. GMXAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nationwide BNY Mellon Core Plus Bond ESG Fund (NWCIX) and Nationwide Mid Cap Market Index Fund (GMXAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NWCIX achieves a 0.43% return, which is significantly lower than GMXAX's 13.81% return. Over the past 10 years, NWCIX has underperformed GMXAX with an annualized return of 2.17%, while GMXAX has yielded a comparatively higher 9.41% annualized return.

NWCIX

• 1D: -0.22%
• 1M: 0.22%
• YTD: 0.43%
• 6M: 0.49%
• 1Y: 5.02%
• 3Y*: 4.77%
• 5Y*: 0.28%
• 10Y*: 2.17%

GMXAX

• 1D: -0.12%
• 1M: 2.46%
• YTD: 13.81%
• 6M: 13.56%
• 1Y: 25.06%
• 3Y*: 15.14%
• 5Y*: 7.48%
• 10Y*: 9.41%

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

NWCIX vs. GMXAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NWCIX Nationwide BNY Mellon Core Plus Bond ESG Fund	0.43%	9.64%	-0.35%	6.92%	-13.87%	-0.44%	8.64%	9.77%	-0.98%	3.93%
GMXAX Nationwide Mid Cap Market Index Fund	13.81%	6.84%	12.15%	15.89%	-13.45%	24.33%	12.79%	25.35%	-10.65%	2.80%

Correlation

The correlation between NWCIX and GMXAX is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.34
Correlation (3Y) Calculated over the trailing 3-year period	0.26
Correlation (5Y) Calculated over the trailing 5-year period	0.18
Correlation (10Y) Calculated over the trailing 10-year period	0.05
Correlation (All Time) Calculated using the full available price history since Apr 23, 2013	0.00

Over the past year, NWCIX and GMXAX have become more correlated (0.34) than their long-term average of 0.00, meaning their price movements have been converging.

Return for Risk

NWCIX vs. GMXAX — Risk / Return Rank

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

NWCIX

NWCIX Risk / Return Rank: 32
NWCIX Sharpe Ratio Rank: 32
NWCIX Sortino Ratio Rank: 34
NWCIX Omega Ratio Rank: 31
NWCIX Calmar Ratio Rank: 33
NWCIX Martin Ratio Rank: 27

GMXAX

GMXAX Risk / Return Rank: 41
GMXAX Sharpe Ratio Rank: 33
GMXAX Sortino Ratio Rank: 34
GMXAX Omega Ratio Rank: 31
GMXAX Calmar Ratio Rank: 56
GMXAX Martin Ratio Rank: 51

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.

NWCIX vs. GMXAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nationwide BNY Mellon Core Plus Bond ESG Fund (NWCIX) and Nationwide Mid Cap Market Index Fund (GMXAX). 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.

	NWCIX	GMXAX	Difference
Sharpe ratio: Return per unit of total volatility	1.57	1.62	-0.06
Sortino ratio: Return per unit of downside risk	2.36	2.37	-0.02
Omega ratio: Gain probability vs. loss probability	1.28	1.29	0.00
Calmar ratio: Return relative to maximum drawdown	2.10	2.83	-0.73
Martin ratio: Return relative to average drawdown	6.27	10.24	-3.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NWCIX vs. GMXAX - Sharpe Ratio Comparison

The current NWCIX Sharpe Ratio is 1.57, which is comparable to the GMXAX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of NWCIX and GMXAX, 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

	NWCIX	GMXAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.57	1.62	-0.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.05	0.38	-0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.44	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.41	+0.11

Drawdowns

NWCIX vs. GMXAX - Drawdown Comparison

The maximum NWCIX drawdown since its inception was -18.98%, smaller than the maximum GMXAX drawdown of -55.64%. Use the drawdown chart below to compare losses from any high point for NWCIX and GMXAX.

Drawdown Indicators

	NWCIX	GMXAX	Difference
Max Drawdown Largest peak-to-trough decline	-18.98%	-55.64%	+36.66%
Max Drawdown (1Y) Largest decline over 1 year	-2.68%	-8.83%	+6.15%
Max Drawdown (3Y) Largest decline over 3 years	-7.34%	-24.21%	+16.87%
Max Drawdown (5Y) Largest decline over 5 years	-18.98%	-24.21%	+5.23%
Max Drawdown (10Y) Largest decline over 10 years	-18.98%	-42.22%	+23.24%
Current Drawdown Current decline from peak	-1.39%	-0.12%	-1.27%
Average Drawdown Average peak-to-trough decline	-3.39%	-8.06%	+4.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.90%	2.43%	-1.53%

Volatility

NWCIX vs. GMXAX - Volatility Comparison

The current volatility for Nationwide BNY Mellon Core Plus Bond ESG Fund (NWCIX) is 1.24%, while Nationwide Mid Cap Market Index Fund (GMXAX) has a volatility of 4.36%. This indicates that NWCIX experiences smaller price fluctuations and is considered to be less risky than GMXAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NWCIX	GMXAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.24%	4.36%	-3.12%
Volatility (6M) Calculated over the trailing 6-month period	2.54%	11.27%	-8.73%
Volatility (1Y) Calculated over the trailing 1-year period	3.59%	15.42%	-11.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.97%	19.69%	-13.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.84%	21.30%	-16.46%

NWCIX vs. GMXAX - Expense Ratio Comparison

NWCIX has a 0.46% expense ratio, which is lower than GMXAX's 0.68% expense ratio.

Dividends

NWCIX vs. GMXAX - Dividend Comparison

NWCIX's dividend yield for the trailing twelve months is around 4.31%, less than GMXAX's 11.45% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GMXAX Nationwide Mid Cap Market Index Fund	11.45%	12.93%	11.73%	6.17%	9.58%	12.52%	3.18%	5.18%	23.21%	0.85%	9.60%	13.94%
NWCIX Nationwide BNY Mellon Core Plus Bond ESG Fund	4.31%	3.20%	4.29%	3.57%	2.39%	2.98%	4.49%	3.11%	3.45%	3.16%	3.47%	3.14%

Frequently Asked Questions

Can I hold both NWCIX and GMXAX in my portfolio?

NWCIX and GMXAX have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NWCIX or GMXAX?

GMXAX has higher volatility (4.36%) compared to NWCIX (1.24%). In terms of maximum drawdown, NWCIX dropped -18.98% vs GMXAX's -55.64%.

Which has better risk-adjusted returns?

GMXAX currently has the higher Sharpe Ratio (1.62 vs 1.57), 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.