ISWIX vs. IIBAX

Last updated Jun 4, 2026

ISWIX (Voya Solution Income Portfolio) and IIBAX (Voya Intermediate Bond Fund) are both mutual funds - ISWIX is a Target Retirement Date fund managed by Voya, while IIBAX is a Intermediate Core-Plus Bond fund managed by Voya. Over the past 10 years, ISWIX returned 5.62%/yr vs 1.83%/yr for IIBAX. At a 0.22 correlation, their price movements are largely independent. ISWIX charges 0.25%/yr vs 0.69%/yr for IIBAX.

Performance

ISWIX vs. IIBAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Solution Income Portfolio (ISWIX) and Voya Intermediate Bond Fund (IIBAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ISWIX achieves a 5.07% return, which is significantly higher than IIBAX's 0.53% return. Over the past 10 years, ISWIX has outperformed IIBAX with an annualized return of 5.62%, while IIBAX has yielded a comparatively lower 1.83% annualized return.

ISWIX

• 1D: 0.08%
• 1M: 2.34%
• YTD: 5.07%
• 6M: 5.25%
• 1Y: 13.03%
• 3Y*: 9.58%
• 5Y*: 3.97%
• 10Y*: 5.62%

IIBAX

• 1D: 0.11%
• 1M: 0.60%
• YTD: 0.53%
• 6M: 0.33%
• 1Y: 4.70%
• 3Y*: 4.53%
• 5Y*: 0.08%
• 10Y*: 1.83%

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

ISWIX vs. IIBAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ISWIX Voya Solution Income Portfolio	5.07%	11.26%	6.47%	10.89%	-14.74%	6.70%	12.19%	13.37%	-2.80%	9.66%
IIBAX Voya Intermediate Bond Fund	0.53%	6.42%	2.65%	7.04%	-15.11%	-1.79%	7.75%	9.57%	-0.59%	4.48%

Correlation

The correlation between ISWIX and IIBAX is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (10Y) Calculated over the trailing 10-year period	0.41
Correlation (All Time) Calculated using the full available price history since May 2, 2005	0.22

Over the past year, ISWIX and IIBAX have become more correlated (0.53) than their long-term average of 0.22, meaning their price movements have been converging.

Return for Risk

ISWIX vs. IIBAX — Risk / Return Rank

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

ISWIX

ISWIX Risk / Return Rank: 78
ISWIX Sharpe Ratio Rank: 79
ISWIX Sortino Ratio Rank: 84
ISWIX Omega Ratio Rank: 77
ISWIX Calmar Ratio Rank: 71
ISWIX Martin Ratio Rank: 79

IIBAX

IIBAX Risk / Return Rank: 19
IIBAX Sharpe Ratio Rank: 18
IIBAX Sortino Ratio Rank: 18
IIBAX Omega Ratio Rank: 18
IIBAX Calmar Ratio Rank: 21
IIBAX Martin Ratio Rank: 18

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.

ISWIX vs. IIBAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Solution Income Portfolio (ISWIX) and Voya Intermediate Bond Fund (IIBAX). 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.

	ISWIX	IIBAX	Difference
Sharpe ratio: Return per unit of total volatility	2.61	1.21	+1.40
Sortino ratio: Return per unit of downside risk	4.01	1.80	+2.21
Omega ratio: Gain probability vs. loss probability	1.51	1.22	+0.29
Calmar ratio: Return relative to maximum drawdown	3.26	1.69	+1.56
Martin ratio: Return relative to average drawdown	14.76	5.00	+9.76
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ISWIX vs. IIBAX - Sharpe Ratio Comparison

The current ISWIX Sharpe Ratio is 2.61, which is higher than the IIBAX Sharpe Ratio of 1.21. The chart below compares the historical Sharpe Ratios of ISWIX and IIBAX, 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

	ISWIX	IIBAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.61	1.21	+1.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.58	0.01	+0.57
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.87	0.37	+0.50
Sharpe Ratio (All Time) Calculated using the full available price history	0.76	0.90	-0.15

Drawdowns

ISWIX vs. IIBAX - Drawdown Comparison

The maximum ISWIX drawdown since its inception was -27.14%, which is greater than IIBAX's maximum drawdown of -20.34%. Use the drawdown chart below to compare losses from any high point for ISWIX and IIBAX.

Drawdown Indicators

	ISWIX	IIBAX	Difference
Max Drawdown Largest peak-to-trough decline	-27.14%	-20.34%	-6.80%
Max Drawdown (1Y) Largest decline over 1 year	-4.42%	-3.10%	-1.32%
Max Drawdown (3Y) Largest decline over 3 years	-6.47%	-6.12%	-0.35%
Max Drawdown (5Y) Largest decline over 5 years	-18.78%	-20.01%	+1.23%
Max Drawdown (10Y) Largest decline over 10 years	-18.78%	-20.34%	+1.56%
Current Drawdown Current decline from peak	0.00%	-2.00%	+2.00%
Average Drawdown Average peak-to-trough decline	-3.03%	-2.88%	-0.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.94%	1.04%	-0.10%

Volatility

ISWIX vs. IIBAX - Volatility Comparison

Voya Solution Income Portfolio (ISWIX) has a higher volatility of 1.89% compared to Voya Intermediate Bond Fund (IIBAX) at 1.64%. This indicates that ISWIX's price experiences larger fluctuations and is considered to be riskier than IIBAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ISWIX	IIBAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.89%	1.64%	+0.25%
Volatility (6M) Calculated over the trailing 6-month period	4.42%	3.12%	+1.30%
Volatility (1Y) Calculated over the trailing 1-year period	5.52%	4.35%	+1.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.97%	5.99%	+0.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.57%	5.03%	+1.54%

ISWIX vs. IIBAX - Expense Ratio Comparison

ISWIX has a 0.25% expense ratio, which is lower than IIBAX's 0.69% expense ratio.

Dividends

ISWIX vs. IIBAX - Dividend Comparison

ISWIX's dividend yield for the trailing twelve months is around 3.67%, more than IIBAX's 3.58% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IIBAX Voya Intermediate Bond Fund	3.58%	3.43%	4.50%	4.05%	1.98%	2.03%	4.69%	3.23%	2.93%	2.88%	2.96%	2.45%
ISWIX Voya Solution Income Portfolio	3.67%	3.85%	2.99%	4.17%	17.41%	6.86%	2.76%	5.10%	5.54%	2.79%	2.38%	6.99%

Frequently Asked Questions

Can I hold both ISWIX and IIBAX in my portfolio?

ISWIX and IIBAX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ISWIX or IIBAX?

ISWIX has higher volatility (1.89%) compared to IIBAX (1.64%). In terms of maximum drawdown, ISWIX dropped -27.14% vs IIBAX's -20.34%.

Which has better risk-adjusted returns?

ISWIX currently has the higher Sharpe Ratio (2.61 vs 1.21), 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.