IGBIX vs. FXNAX

Last updated Jun 5, 2026

IGBIX (Voya Global Bond Fund) and FXNAX (Fidelity U.S. Bond Index Fund) are both mutual funds - IGBIX is a Global Bonds fund managed by Voya, while FXNAX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. Over the past 10 years, IGBIX returned 0.65%/yr vs 1.49%/yr for FXNAX. A 0.60 correlation means they provide meaningful diversification when combined. IGBIX charges 0.65%/yr vs 0.03%/yr for FXNAX.

Performance

IGBIX vs. FXNAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Global Bond Fund (IGBIX) and Fidelity U.S. Bond Index Fund (FXNAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IGBIX achieves a -1.00% return, which is significantly lower than FXNAX's 0.21% return. Over the past 10 years, IGBIX has underperformed FXNAX with an annualized return of 0.65%, while FXNAX has yielded a comparatively higher 1.49% annualized return.

IGBIX

• 1D: -0.42%
• 1M: -0.17%
• YTD: -1.00%
• 6M: -0.61%
• 1Y: 0.62%
• 3Y*: 3.19%
• 5Y*: -2.46%
• 10Y*: 0.65%

FXNAX

• 1D: -0.19%
• 1M: 0.13%
• YTD: 0.21%
• 6M: 0.33%
• 1Y: 4.56%
• 3Y*: 3.95%
• 5Y*: 0.02%
• 10Y*: 1.49%

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

IGBIX vs. FXNAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IGBIX Voya Global Bond Fund	-1.00%	7.51%	-1.07%	6.05%	-18.48%	-5.58%	10.12%	7.59%	-1.89%	9.66%
FXNAX Fidelity U.S. Bond Index Fund	0.21%	7.14%	1.35%	5.82%	-13.55%	-2.10%	7.63%	8.50%	0.04%	3.50%

Correlation

The correlation between IGBIX and FXNAX is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.68
Correlation (3Y) Calculated over the trailing 3-year period	0.80
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.69
Correlation (All Time) Calculated using the full available price history since May 5, 2011	0.60

The correlation between IGBIX and FXNAX shifts across timeframes, from 0.60 (all time) to 0.80 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

IGBIX vs. FXNAX — Risk / Return Rank

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

IGBIX

IGBIX Risk / Return Rank: 4
IGBIX Sharpe Ratio Rank: 4
IGBIX Sortino Ratio Rank: 4
IGBIX Omega Ratio Rank: 4
IGBIX Calmar Ratio Rank: 4
IGBIX Martin Ratio Rank: 4

FXNAX

FXNAX Risk / Return Rank: 21
FXNAX Sharpe Ratio Rank: 21
FXNAX Sortino Ratio Rank: 22
FXNAX Omega Ratio Rank: 19
FXNAX Calmar Ratio Rank: 23
FXNAX Martin Ratio Rank: 20

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.

IGBIX vs. FXNAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Global Bond Fund (IGBIX) and Fidelity U.S. Bond Index Fund (FXNAX). 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.

	IGBIX	FXNAX	Difference
Sharpe ratio: Return per unit of total volatility	0.20	1.31	-1.11
Sortino ratio: Return per unit of downside risk	0.33	1.98	-1.65
Omega ratio: Gain probability vs. loss probability	1.04	1.23	-0.19
Calmar ratio: Return relative to maximum drawdown	0.22	1.76	-1.55
Martin ratio: Return relative to average drawdown	0.59	5.37	-4.77
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IGBIX vs. FXNAX - Sharpe Ratio Comparison

The current IGBIX Sharpe Ratio is 0.20, which is lower than the FXNAX Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of IGBIX and FXNAX, 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

	IGBIX	FXNAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.20	1.31	-1.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.38	0.00	-0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.11	0.30	-0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.45	+0.07

Drawdowns

IGBIX vs. FXNAX - Drawdown Comparison

The maximum IGBIX drawdown since its inception was -28.58%, which is greater than FXNAX's maximum drawdown of -19.51%. Use the drawdown chart below to compare losses from any high point for IGBIX and FXNAX.

Drawdown Indicators

	IGBIX	FXNAX	Difference
Max Drawdown Largest peak-to-trough decline	-28.58%	-19.51%	-9.07%
Max Drawdown (1Y) Largest decline over 1 year	-5.27%	-2.94%	-2.33%
Max Drawdown (3Y) Largest decline over 3 years	-7.74%	-6.16%	-1.58%
Max Drawdown (5Y) Largest decline over 5 years	-26.58%	-18.54%	-8.04%
Max Drawdown (10Y) Largest decline over 10 years	-28.58%	-19.51%	-9.07%
Current Drawdown Current decline from peak	-14.30%	-3.07%	-11.23%
Average Drawdown Average peak-to-trough decline	-6.00%	-3.87%	-2.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.86%	0.97%	+0.89%

Volatility

IGBIX vs. FXNAX - Volatility Comparison

Voya Global Bond Fund (IGBIX) has a higher volatility of 2.27% compared to Fidelity U.S. Bond Index Fund (FXNAX) at 1.37%. This indicates that IGBIX's price experiences larger fluctuations and is considered to be riskier than FXNAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IGBIX	FXNAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.27%	1.37%	+0.90%
Volatility (6M) Calculated over the trailing 6-month period	4.46%	2.80%	+1.66%
Volatility (1Y) Calculated over the trailing 1-year period	5.86%	3.96%	+1.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.69%	6.07%	+0.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.96%	5.01%	+0.95%

IGBIX vs. FXNAX - Expense Ratio Comparison

IGBIX has a 0.65% expense ratio, which is higher than FXNAX's 0.03% expense ratio.

Dividends

IGBIX vs. FXNAX - Dividend Comparison

IGBIX's dividend yield for the trailing twelve months is around 3.89%, more than FXNAX's 3.71% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FXNAX Fidelity U.S. Bond Index Fund	3.71%	3.58%	3.40%	3.15%	1.81%	1.74%	2.92%	2.68%	2.74%	2.57%	2.76%	2.52%
IGBIX Voya Global Bond Fund	3.89%	3.44%	4.58%	3.35%	3.31%	4.04%	4.43%	4.66%	4.75%	4.84%	4.69%	4.72%

Frequently Asked Questions

Can I hold both IGBIX and FXNAX in my portfolio?

IGBIX and FXNAX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IGBIX or FXNAX?

IGBIX has higher volatility (2.27%) compared to FXNAX (1.37%). In terms of maximum drawdown, IGBIX dropped -28.58% vs FXNAX's -19.51%.

Which has better risk-adjusted returns?

FXNAX currently has the higher Sharpe Ratio (1.31 vs 0.20), 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.