IPHYX vs. IHYAX

Last updated Jun 3, 2026

IPHYX (Voya High Yield Portfolio) and IHYAX (Voya High Yield Bond Fund) are both High Yield Bonds funds from Voya. Over the past 10 years, IPHYX returned 4.53%/yr vs 4.17%/yr for IHYAX. Their correlation of 0.89 suggests significant overlap in exposure. IPHYX charges 0.73%/yr vs 1.04%/yr for IHYAX.

Performance

IPHYX vs. IHYAX - Performance Comparison

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

Returns By Period

In the year-to-date period, IPHYX achieves a 1.29% return, which is significantly higher than IHYAX's 1.16% return. Over the past 10 years, IPHYX has outperformed IHYAX with an annualized return of 4.53%, while IHYAX has yielded a comparatively lower 4.17% annualized return.

IPHYX

• 1D: -0.11%
• 1M: 0.47%
• YTD: 1.29%
• 6M: 1.99%
• 1Y: 5.48%
• 3Y*: 7.21%
• 5Y*: 2.69%
• 10Y*: 4.53%

IHYAX

• 1D: 0.00%
• 1M: 0.59%
• YTD: 1.16%
• 6M: 1.90%
• 1Y: 5.15%
• 3Y*: 6.86%
• 5Y*: 2.38%
• 10Y*: 4.17%

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

IPHYX vs. IHYAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IPHYX Voya High Yield Portfolio	1.29%	6.80%	6.74%	11.47%	-13.75%	4.15%	5.66%	15.24%	-3.18%	6.24%
IHYAX Voya High Yield Bond Fund	1.16%	6.99%	6.45%	10.63%	-13.95%	3.71%	5.54%	14.51%	-3.38%	5.85%

Correlation

The correlation between IPHYX and IHYAX is 0.86, 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	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.92
Correlation (All Time) Calculated using the full available price history since May 5, 2004	0.89

The correlation between IPHYX and IHYAX has been stable across timeframes, ranging from 0.86 to 0.92 - a consistent structural relationship.

Return for Risk

IPHYX vs. IHYAX — Risk / Return Rank

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

IPHYX

IPHYX Risk / Return Rank: 58
IPHYX Sharpe Ratio Rank: 36
IPHYX Sortino Ratio Rank: 51
IPHYX Omega Ratio Rank: 48
IPHYX Calmar Ratio Rank: 72
IPHYX Martin Ratio Rank: 85

IHYAX

IHYAX Risk / Return Rank: 44
IHYAX Sharpe Ratio Rank: 30
IHYAX Sortino Ratio Rank: 40
IHYAX Omega Ratio Rank: 44
IHYAX Calmar Ratio Rank: 45
IHYAX Martin Ratio Rank: 63

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.

IPHYX vs. IHYAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya High Yield Portfolio (IPHYX) and Voya High Yield Bond Fund (IHYAX). 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.

	IPHYX	IHYAX	Difference
Sharpe ratio Return per unit of total volatility	1.76	1.60	+0.16
Sortino ratio Return per unit of downside risk	2.99	2.64	+0.35
Omega ratio Gain probability vs. loss probability	1.38	1.36	+0.02
Calmar ratio Return relative to maximum drawdown	3.30	2.56	+0.74
Martin ratio Return relative to average drawdown	16.37	12.38	+3.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IPHYX vs. IHYAX - Sharpe Ratio Comparison

The current IPHYX Sharpe Ratio is 1.76, which is comparable to the IHYAX Sharpe Ratio of 1.60. The chart below compares the historical Sharpe Ratios of IPHYX and IHYAX, 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

	IPHYX	IHYAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.76	1.60	+0.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.53	0.47	+0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.83	0.77	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	1.03	0.99	+0.04

Drawdowns

IPHYX vs. IHYAX - Drawdown Comparison

The maximum IPHYX drawdown since its inception was -32.43%, smaller than the maximum IHYAX drawdown of -38.22%. Use the drawdown chart below to compare losses from any high point for IPHYX and IHYAX.

Drawdown Indicators

	IPHYX	IHYAX	Difference
Max Drawdown Largest peak-to-trough decline	-32.43%	-38.22%	+5.79%
Max Drawdown (1Y) Largest decline over 1 year	-2.62%	-2.59%	-0.03%
Max Drawdown (3Y) Largest decline over 3 years	-3.81%	-3.90%	+0.09%
Max Drawdown (5Y) Largest decline over 5 years	-17.18%	-17.14%	-0.04%
Max Drawdown (10Y) Largest decline over 10 years	-20.45%	-20.25%	-0.20%
Current Drawdown Current decline from peak	-0.11%	0.00%	-0.11%
Average Drawdown Average peak-to-trough decline	-2.79%	-2.94%	+0.15%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.53%	0.54%	-0.01%

Volatility

IPHYX vs. IHYAX - Volatility Comparison

The current volatility for Voya High Yield Portfolio (IPHYX) is 1.07%, while Voya High Yield Bond Fund (IHYAX) has a volatility of 1.18%. This indicates that IPHYX experiences smaller price fluctuations and is considered to be less risky than IHYAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IPHYX	IHYAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.07%	1.18%	-0.11%
Volatility (6M) Calculated over the trailing 6-month period	2.78%	2.80%	-0.02%
Volatility (1Y) Calculated over the trailing 1-year period	3.49%	3.51%	-0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.21%	5.15%	+0.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.52%	5.48%	+0.04%

IPHYX vs. IHYAX - Expense Ratio Comparison

IPHYX has a 0.73% expense ratio, which is lower than IHYAX's 1.04% expense ratio.

Dividends

IPHYX vs. IHYAX - Dividend Comparison

IPHYX's dividend yield for the trailing twelve months is around 4.76%, more than IHYAX's 4.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IHYAX Voya High Yield Bond Fund	4.59%	4.98%	5.93%	4.91%	5.38%	4.01%	5.00%	5.17%	5.63%	5.21%	5.14%	5.54%
IPHYX Voya High Yield Portfolio	4.76%	4.47%	5.90%	5.68%	4.36%	4.26%	5.03%	5.14%	6.03%	6.82%	6.44%	6.32%

Frequently Asked Questions

Can I hold both IPHYX and IHYAX in my portfolio?

IPHYX and IHYAX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IPHYX or IHYAX?

IHYAX has higher volatility (1.18%) compared to IPHYX (1.07%). In terms of maximum drawdown, IPHYX dropped -32.43% vs IHYAX's -38.22%.

Which has better risk-adjusted returns?

IPHYX currently has the higher Sharpe Ratio (1.76 vs 1.60), 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.