ISWIX vs. IPHYX

Last updated Aug 4, 2026

ISWIX (Voya Solution Income Portfolio) and IPHYX (Voya High Yield Portfolio) are both mutual funds - ISWIX is a Target Retirement Date fund managed by Voya, while IPHYX is a High Yield Bonds fund managed by Voya. Over the past 10 years, ISWIX returned 5.37%/yr vs 4.16%/yr for IPHYX. Their 0.46 correlation means their historical movements had little consistent relationship. ISWIX charges 0.25%/yr vs 0.73%/yr for IPHYX.

Performance

ISWIX vs. IPHYX - Performance Comparison

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

Returns By Period

In the year-to-date period, ISWIX achieves a 3.91% return, which is significantly higher than IPHYX's 0.59% return. Over the past 10 years, ISWIX has outperformed IPHYX with an annualized return of 5.37%, while IPHYX has yielded a comparatively lower 4.16% annualized return.

ISWIX

• 1D: 0.09%
• 1M: -0.60%
• 6M: 2.63%
• YTD: 3.91%
• 1Y: 8.88%
• 3Y*: 8.53%
• 5Y*: 3.35%
• 10Y*: 5.37%
• ALL TIME*: 5.02%

IPHYX

• 1D: 0.00%
• 1M: -0.91%
• 6M: 0.23%
• YTD: 0.59%
• 1Y: 3.15%
• 3Y*: 6.38%
• 5Y*: 2.25%
• 10Y*: 4.16%
• ALL TIME*: 5.74%

*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)
IPHYX Voya High Yield Portfolio	$0.00	$0.00	$0.00
ISWIX Voya Solution Income Portfolio	$0.00	$0.00	$0.00

ISWIX vs. IPHYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ISWIX Voya Solution Income Portfolio	3.91%	11.26%	6.47%	10.89%	-14.74%	6.70%	12.19%	13.37%	-2.80%	9.66%
IPHYX Voya High Yield Portfolio	0.59%	6.80%	6.74%	11.47%	-13.75%	4.15%	5.66%	15.24%	-3.18%	6.24%

Correlation

The correlation between ISWIX and IPHYX is 0.61, 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.	0.61
Correlation (3Y) Balances recent behavior with more history.	0.60
Correlation (5Y) Shows whether the relationship held over a longer period.	0.62
Correlation (10Y) Provides a long-term view across more market conditions.	0.57
Correlation (All Time) Calculated using the full available price history since Apr 29, 2005	0.46

The correlation between ISWIX and IPHYX shifts across timeframes, from 0.46 (all time) to 0.62 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

ISWIX vs. IPHYX — Risk / Return Rank

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

ISWIX

ISWIX Risk / Return Rank: 64
ISWIX Sharpe Ratio Rank: 62
ISWIX Sortino Ratio Rank: 68
ISWIX Omega Ratio Rank: 61
ISWIX Calmar Ratio Rank: 59
ISWIX Martin Ratio Rank: 69

IPHYX

IPHYX Risk / Return Rank: 31
IPHYX Sharpe Ratio Rank: 27
IPHYX Sortino Ratio Rank: 32
IPHYX Omega Ratio Rank: 31
IPHYX Calmar Ratio Rank: 27
IPHYX Martin Ratio Rank: 37

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.

ISWIX vs. IPHYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Solution Income Portfolio (ISWIX) and Voya High Yield Portfolio (IPHYX). 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.

	ISWIX	IPHYX	Difference
Sharpe ratio: Return per unit of total volatility	1.63	0.99	+0.65
Sortino ratio: Return per unit of downside risk	2.44	1.63	+0.81
Omega ratio: Gain probability vs. loss probability	1.30	1.20	+0.10
Calmar ratio: Return relative to maximum drawdown	2.20	1.30	+0.90
Martin ratio: Return relative to average drawdown	9.24	5.81	+3.43

ISWIX vs. IPHYX - Sharpe Ratio Comparison

The current ISWIX Sharpe Ratio is 1.63, which is higher than the IPHYX Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of ISWIX and IPHYX, 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

ISWIX vs. IPHYX - Drawdown Comparison

The maximum ISWIX drawdown since its inception was -27.14%, smaller than the maximum IPHYX drawdown of -32.43%. Use the drawdown chart below to compare losses from any high point for ISWIX and IPHYX.

Drawdown Indicators

	ISWIX	IPHYX	Difference
Max Drawdown Largest peak-to-trough decline	-27.14%	-32.43%	+5.29%
Max Drawdown (1Y) Largest decline over 1 year	-4.42%	-2.62%	-1.80%
Max Drawdown (3Y) Largest decline over 3 years	-5.46%	-3.58%	-1.88%
Max Drawdown (5Y) Largest decline over 5 years	-18.78%	-17.18%	-1.60%
Max Drawdown (10Y) Largest decline over 10 years	-18.78%	-20.45%	+1.67%
Current Drawdown Current decline from peak	-1.10%	-1.03%	-0.07%
Average Drawdown Average peak-to-trough decline	-3.01%	-2.77%	-0.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.01%	0.57%	+0.44%

Volatility

ISWIX vs. IPHYX - Volatility Comparison

Voya Solution Income Portfolio (ISWIX) has a higher volatility of 1.60% compared to Voya High Yield Portfolio (IPHYX) at 0.65%. This indicates that ISWIX's price experiences larger fluctuations and is considered to be riskier than IPHYX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ISWIX	IPHYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.60%	0.65%	+0.95%
Volatility (6M) Calculated over the trailing 6-month period	4.83%	2.84%	+1.99%
Volatility (1Y) Calculated over the trailing 1-year period	5.96%	3.50%	+2.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.05%	5.21%	+1.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.59%	5.48%	+1.11%

ISWIX vs. IPHYX - Expense Ratio Comparison

ISWIX has a 0.25% expense ratio, which is lower than IPHYX's 0.73% expense ratio.

Dividends

ISWIX vs. IPHYX - Dividend Comparison

ISWIX's dividend yield for the trailing twelve months is around 3.71%, less than IPHYX's 4.17% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IPHYX Voya High Yield Portfolio	4.17%	4.47%	5.90%	5.68%	4.36%	4.26%	5.03%	5.14%	6.03%	6.82%	6.44%	6.32%
ISWIX Voya Solution Income Portfolio	3.71%	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 IPHYX in my portfolio?

ISWIX and IPHYX have a correlation of 0.61, 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 IPHYX?

ISWIX has higher volatility (1.60%) compared to IPHYX (0.65%). In terms of maximum drawdown, ISWIX dropped -27.14% vs IPHYX's -32.43%.

Which has better risk-adjusted returns?

ISWIX currently has the higher Sharpe Ratio (1.63 vs 0.99), 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.