IIRGX vs. IRGMX

Last updated Jun 6, 2026

IIRGX (Voya Retirement Growth Portfolio) and IRGMX (Voya Retirement Moderate Growth Portfolio) are both Diversified Portfolio funds from Voya. Over the past 10 years, IIRGX returned 9.96%/yr vs 8.73%/yr for IRGMX. With a 0.99 correlation, they move nearly in lockstep. Both charge a 0.26% expense ratio.

Performance

IIRGX vs. IRGMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Retirement Growth Portfolio (IIRGX) and Voya Retirement Moderate Growth Portfolio (IRGMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IIRGX achieves a 9.29% return, which is significantly higher than IRGMX's 7.52% return. Over the past 10 years, IIRGX has outperformed IRGMX with an annualized return of 9.96%, while IRGMX has yielded a comparatively lower 8.73% annualized return.

IIRGX

• 1D: 0.00%
• 1M: 1.75%
• YTD: 9.29%
• 6M: 9.39%
• 1Y: 22.42%
• 3Y*: 16.88%
• 5Y*: 8.97%
• 10Y*: 9.96%

IRGMX

• 1D: 0.00%
• 1M: 1.54%
• YTD: 7.52%
• 6M: 7.63%
• 1Y: 19.17%
• 3Y*: 14.49%
• 5Y*: 7.50%
• 10Y*: 8.73%

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

IIRGX vs. IRGMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IIRGX Voya Retirement Growth Portfolio	9.29%	16.01%	14.97%	18.48%	-16.36%	15.94%	14.05%	22.14%	-9.13%	17.15%
IRGMX Voya Retirement Moderate Growth Portfolio	7.52%	14.26%	12.89%	15.88%	-16.04%	14.38%	13.54%	20.44%	-8.06%	15.10%

Correlation

The correlation between IIRGX and IRGMX is 0.99 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.99
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (10Y) Calculated over the trailing 10-year period	0.99
Correlation (All Time) Calculated using the full available price history since Nov 10, 2009	0.99

The correlation between IIRGX and IRGMX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

Return for Risk

IIRGX vs. IRGMX — Risk / Return Rank

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

IIRGX

IIRGX Risk / Return Rank: 74
IIRGX Sharpe Ratio Rank: 71
IIRGX Sortino Ratio Rank: 72
IIRGX Omega Ratio Rank: 67
IIRGX Calmar Ratio Rank: 73
IIRGX Martin Ratio Rank: 85

IRGMX

IRGMX Risk / Return Rank: 77
IRGMX Sharpe Ratio Rank: 76
IRGMX Sortino Ratio Rank: 77
IRGMX Omega Ratio Rank: 73
IRGMX Calmar Ratio Rank: 74
IRGMX Martin Ratio Rank: 87

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.

IIRGX vs. IRGMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Retirement Growth Portfolio (IIRGX) and Voya Retirement Moderate Growth Portfolio (IRGMX). 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.

	IIRGX	IRGMX	Difference
Sharpe ratio: Return per unit of total volatility	2.38	2.47	-0.09
Sortino ratio: Return per unit of downside risk	3.45	3.63	-0.18
Omega ratio: Gain probability vs. loss probability	1.44	1.46	-0.02
Calmar ratio: Return relative to maximum drawdown	3.20	3.23	-0.03
Martin ratio: Return relative to average drawdown	15.51	15.90	-0.39
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IIRGX vs. IRGMX - Sharpe Ratio Comparison

The current IIRGX Sharpe Ratio is 2.38, which is comparable to the IRGMX Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of IIRGX and IRGMX, 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

	IIRGX	IRGMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.38	2.47	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.70	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	0.78	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.76	-0.37

Drawdowns

IIRGX vs. IRGMX - Drawdown Comparison

The maximum IIRGX drawdown since its inception was -56.97%, which is greater than IRGMX's maximum drawdown of -23.38%. Use the drawdown chart below to compare losses from any high point for IIRGX and IRGMX.

Drawdown Indicators

	IIRGX	IRGMX	Difference
Max Drawdown Largest peak-to-trough decline	-56.97%	-23.38%	-33.59%
Max Drawdown (1Y) Largest decline over 1 year	-7.54%	-6.35%	-1.19%
Max Drawdown (3Y) Largest decline over 3 years	-14.01%	-11.12%	-2.89%
Max Drawdown (5Y) Largest decline over 5 years	-22.89%	-21.53%	-1.36%
Max Drawdown (10Y) Largest decline over 10 years	-26.75%	-23.38%	-3.37%
Current Drawdown Current decline from peak	-0.60%	-0.47%	-0.13%
Average Drawdown Average peak-to-trough decline	-11.13%	-3.39%	-7.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.51%	1.25%	+0.26%

Volatility

IIRGX vs. IRGMX - Volatility Comparison

Voya Retirement Growth Portfolio (IIRGX) has a higher volatility of 2.65% compared to Voya Retirement Moderate Growth Portfolio (IRGMX) at 2.35%. This indicates that IIRGX's price experiences larger fluctuations and is considered to be riskier than IRGMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IIRGX	IRGMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.65%	2.35%	+0.30%
Volatility (6M) Calculated over the trailing 6-month period	8.09%	6.63%	+1.46%
Volatility (1Y) Calculated over the trailing 1-year period	10.12%	8.29%	+1.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.10%	10.90%	+2.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.31%	11.30%	+2.01%

IIRGX vs. IRGMX - Expense Ratio Comparison

Both IIRGX and IRGMX have an expense ratio of 0.26%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IIRGX vs. IRGMX - Dividend Comparison

IIRGX's dividend yield for the trailing twelve months is around 27.02%, more than IRGMX's 21.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IIRGX Voya Retirement Growth Portfolio	27.02%	29.53%	8.53%	10.23%	18.26%	6.16%	6.49%	9.65%	9.24%	9.08%	7.96%	2.20%
IRGMX Voya Retirement Moderate Growth Portfolio	21.38%	22.99%	7.83%	9.72%	17.03%	6.44%	6.69%	8.86%	8.13%	9.42%	11.83%	5.09%

Frequently Asked Questions

Can I hold both IIRGX and IRGMX in my portfolio?

With a correlation of 0.99, IIRGX and IRGMX 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, IIRGX or IRGMX?

IIRGX has higher volatility (2.65%) compared to IRGMX (2.35%). In terms of maximum drawdown, IIRGX dropped -56.97% vs IRGMX's -23.38%.

Which has better risk-adjusted returns?

IRGMX currently has the higher Sharpe Ratio (2.47 vs 2.38), 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.