NWCIX vs. GBIAX

Last updated Jun 5, 2026

NWCIX (Nationwide BNY Mellon Core Plus Bond ESG Fund) and GBIAX (Nationwide Bond Index Fund) are both mutual funds - NWCIX is a Intermediate Core-Plus Bond fund managed by Nationwide, while GBIAX is a Intermediate Core Bond fund managed by Nationwide. Over the past 10 years, NWCIX returned 2.17%/yr vs 0.85%/yr for GBIAX. Their correlation of 0.93 suggests significant overlap in exposure. NWCIX charges 0.46%/yr vs 0.64%/yr for GBIAX.

Performance

NWCIX vs. GBIAX - 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 Bond Index Fund (GBIAX). 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 higher than GBIAX's -0.07% return. Over the past 10 years, NWCIX has outperformed GBIAX with an annualized return of 2.17%, while GBIAX has yielded a comparatively lower 0.85% 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%

GBIAX

• 1D: -0.31%
• 1M: 0.08%
• YTD: -0.07%
• 6M: -0.01%
• 1Y: 3.86%
• 3Y*: 3.27%
• 5Y*: -0.68%
• 10Y*: 0.85%

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

NWCIX vs. GBIAX - 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%
GBIAX Nationwide Bond Index Fund	-0.07%	6.54%	0.44%	5.03%	-14.06%	-2.38%	6.60%	8.08%	-0.74%	2.89%

Correlation

The correlation between NWCIX and GBIAX is 0.92, 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	0.92
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Apr 23, 2013	0.93

The correlation between NWCIX and GBIAX has been stable across timeframes, ranging from 0.92 to 0.96 - a consistent structural relationship.

Return for Risk

NWCIX vs. GBIAX — 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

GBIAX

GBIAX Risk / Return Rank: 17
GBIAX Sharpe Ratio Rank: 17
GBIAX Sortino Ratio Rank: 18
GBIAX Omega Ratio Rank: 16
GBIAX Calmar Ratio Rank: 19
GBIAX Martin Ratio Rank: 17

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. GBIAX - 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 Bond Index Fund (GBIAX). 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	GBIAX	Difference
Sharpe ratio: Return per unit of total volatility	1.57	1.15	+0.41
Sortino ratio: Return per unit of downside risk	2.36	1.71	+0.64
Omega ratio: Gain probability vs. loss probability	1.28	1.20	+0.08
Calmar ratio: Return relative to maximum drawdown	2.10	1.51	+0.59
Martin ratio: Return relative to average drawdown	6.27	4.45	+1.82
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. GBIAX - Sharpe Ratio Comparison

The current NWCIX Sharpe Ratio is 1.57, which is higher than the GBIAX Sharpe Ratio of 1.15. The chart below compares the historical Sharpe Ratios of NWCIX and GBIAX, 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	GBIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.57	1.15	+0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.05	-0.11	+0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.17	+0.28
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.73	-0.22

Drawdowns

NWCIX vs. GBIAX - Drawdown Comparison

The maximum NWCIX drawdown since its inception was -18.98%, smaller than the maximum GBIAX drawdown of -20.26%. Use the drawdown chart below to compare losses from any high point for NWCIX and GBIAX.

Drawdown Indicators

	NWCIX	GBIAX	Difference
Max Drawdown Largest peak-to-trough decline	-18.98%	-20.26%	+1.28%
Max Drawdown (1Y) Largest decline over 1 year	-2.68%	-3.00%	+0.32%
Max Drawdown (3Y) Largest decline over 3 years	-7.34%	-6.30%	-1.04%
Max Drawdown (5Y) Largest decline over 5 years	-18.98%	-19.07%	+0.09%
Max Drawdown (10Y) Largest decline over 10 years	-18.98%	-20.26%	+1.28%
Current Drawdown Current decline from peak	-1.39%	-6.47%	+5.08%
Average Drawdown Average peak-to-trough decline	-3.39%	-3.04%	-0.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.90%	1.02%	-0.12%

Volatility

NWCIX vs. GBIAX - Volatility Comparison

Nationwide BNY Mellon Core Plus Bond ESG Fund (NWCIX) and Nationwide Bond Index Fund (GBIAX) have volatilities of 1.24% and 1.30%, 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.

Volatility by Period

	NWCIX	GBIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.24%	1.30%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	2.54%	2.76%	-0.22%
Volatility (1Y) Calculated over the trailing 1-year period	3.59%	3.93%	-0.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.97%	6.00%	-0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.84%	4.95%	-0.11%

NWCIX vs. GBIAX - Expense Ratio Comparison

NWCIX has a 0.46% expense ratio, which is lower than GBIAX's 0.64% expense ratio.

Dividends

NWCIX vs. GBIAX - Dividend Comparison

NWCIX's dividend yield for the trailing twelve months is around 4.31%, more than GBIAX's 3.29% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GBIAX Nationwide Bond Index Fund	3.29%	3.18%	3.07%	2.57%	1.59%	3.02%	1.79%	2.27%	2.29%	1.93%	2.15%	2.43%
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 GBIAX in my portfolio?

With a correlation of 0.92, NWCIX and GBIAX 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.

Which is riskier, NWCIX or GBIAX?

GBIAX has higher volatility (1.30%) compared to NWCIX (1.24%). In terms of maximum drawdown, NWCIX dropped -18.98% vs GBIAX's -20.26%.

Which has better risk-adjusted returns?

NWCIX currently has the higher Sharpe Ratio (1.57 vs 1.15), 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.