IRGMX vs. IIRGX

Last updated Jun 5, 2026

IRGMX (Voya Retirement Moderate Growth Portfolio) and IIRGX (Voya Retirement Growth Portfolio) are both Diversified Portfolio funds from Voya. Over the past 10 years, IRGMX returned 8.77%/yr vs 10.01%/yr for IIRGX. With a 0.99 correlation, they move nearly in lockstep. Both charge a 0.26% expense ratio.

Performance

IRGMX vs. IIRGX - Performance Comparison

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

Returns By Period

In the year-to-date period, IRGMX achieves a 7.52% return, which is significantly lower than IIRGX's 9.29% return. Over the past 10 years, IRGMX has underperformed IIRGX with an annualized return of 8.77%, while IIRGX has yielded a comparatively higher 10.01% annualized return.

IRGMX

• 1D: -0.47%
• 1M: 2.72%
• YTD: 7.52%
• 6M: 7.63%
• 1Y: 18.74%
• 3Y*: 14.45%
• 5Y*: 7.50%
• 10Y*: 8.77%

IIRGX

• 1D: -0.60%
• 1M: 3.10%
• YTD: 9.29%
• 6M: 9.39%
• 1Y: 22.02%
• 3Y*: 16.81%
• 5Y*: 8.97%
• 10Y*: 10.01%

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

IRGMX vs. IIRGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
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%

Correlation

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

Return for Risk

IRGMX vs. IIRGX — Risk / Return Rank

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

IRGMX

IRGMX Risk / Return Rank: 78
IRGMX Sharpe Ratio Rank: 77
IRGMX Sortino Ratio Rank: 78
IRGMX Omega Ratio Rank: 73
IRGMX Calmar Ratio Rank: 75
IRGMX Martin Ratio Rank: 87

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

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.

IRGMX vs. IIRGX - Risk-Adjusted Trends Comparison

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

	IRGMX	IIRGX	Difference
Sharpe ratio: Return per unit of total volatility	2.52	2.41	+0.11
Sortino ratio: Return per unit of downside risk	3.68	3.47	+0.21
Omega ratio: Gain probability vs. loss probability	1.47	1.44	+0.03
Calmar ratio: Return relative to maximum drawdown	3.29	3.23	+0.06
Martin ratio: Return relative to average drawdown	16.18	15.66	+0.52
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRGMX vs. IIRGX - Sharpe Ratio Comparison

The current IRGMX Sharpe Ratio is 2.52, which is comparable to the IIRGX Sharpe Ratio of 2.41. The chart below compares the historical Sharpe Ratios of IRGMX and IIRGX, 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

	IRGMX	IIRGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.52	2.41	+0.11
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	0.78	0.76	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.76	0.39	+0.37

Drawdowns

IRGMX vs. IIRGX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

IRGMX vs. IIRGX - Volatility Comparison

The current volatility for Voya Retirement Moderate Growth Portfolio (IRGMX) is 2.39%, while Voya Retirement Growth Portfolio (IIRGX) has a volatility of 2.72%. This indicates that IRGMX experiences smaller price fluctuations and is considered to be less risky than IIRGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRGMX	IIRGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.39%	2.72%	-0.33%
Volatility (6M) Calculated over the trailing 6-month period	6.69%	8.16%	-1.47%
Volatility (1Y) Calculated over the trailing 1-year period	8.29%	10.12%	-1.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.91%	13.10%	-2.19%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.31%	13.32%	-2.01%

IRGMX vs. IIRGX - Expense Ratio Comparison

Both IRGMX and IIRGX 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

IRGMX vs. IIRGX - Dividend Comparison

IRGMX's dividend yield for the trailing twelve months is around 21.38%, less than IIRGX's 27.02% 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 IRGMX and IIRGX in my portfolio?

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

IIRGX has higher volatility (2.72%) compared to IRGMX (2.39%). In terms of maximum drawdown, IRGMX dropped -23.38% vs IIRGX's -56.97%.

Which has better risk-adjusted returns?

IRGMX currently has the higher Sharpe Ratio (2.52 vs 2.41), 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.