IRVIX vs. IIMOX

Last updated Jun 4, 2026

IRVIX (Voya Russell Large Cap Value Index Portfolio) and IIMOX (Voya MidCap Opportunities Portfolio) are both mutual funds - IRVIX is a Large Cap Value Equities fund managed by Voya, while IIMOX is a Mid Cap Growth Equities fund managed by Voya. Over the past 10 years, IRVIX returned 11.52%/yr vs 11.70%/yr for IIMOX. A 0.77 correlation means they provide meaningful diversification when combined. IRVIX charges 0.35%/yr vs 0.66%/yr for IIMOX.

Performance

IRVIX vs. IIMOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Russell Large Cap Value Index Portfolio (IRVIX) and Voya MidCap Opportunities Portfolio (IIMOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IRVIX achieves a 13.79% return, which is significantly higher than IIMOX's 7.90% return. Both investments have delivered pretty close results over the past 10 years, with IRVIX having a 11.52% annualized return and IIMOX not far ahead at 11.70%.

IRVIX

• 1D: 0.70%
• 1M: 4.56%
• YTD: 13.79%
• 6M: 14.58%
• 1Y: 28.49%
• 3Y*: 18.79%
• 5Y*: 11.06%
• 10Y*: 11.52%

IIMOX

• 1D: 0.33%
• 1M: 8.09%
• YTD: 7.90%
• 6M: 6.00%
• 1Y: 8.37%
• 3Y*: 13.18%
• 5Y*: 6.46%
• 10Y*: 11.70%

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

IRVIX vs. IIMOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRVIX Voya Russell Large Cap Value Index Portfolio	13.79%	18.08%	14.99%	10.26%	-5.48%	22.95%	1.38%	25.75%	-6.61%	13.47%
IIMOX Voya MidCap Opportunities Portfolio	7.90%	3.84%	15.91%	23.54%	-22.65%	12.05%	41.21%	29.45%	-7.44%	25.08%

Correlation

The correlation between IRVIX and IIMOX is 0.64, 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	0.64
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.68
Correlation (All Time) Calculated using the full available price history since May 5, 2009	0.77

The correlation between IRVIX and IIMOX shifts across timeframes, from 0.63 (3 years) to 0.77 (all time), reflecting how their relationship changes across market environments.

Return for Risk

IRVIX vs. IIMOX — Risk / Return Rank

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

IRVIX

IRVIX Risk / Return Rank: 89
IRVIX Sharpe Ratio Rank: 90
IRVIX Sortino Ratio Rank: 88
IRVIX Omega Ratio Rank: 83
IRVIX Calmar Ratio Rank: 92
IRVIX Martin Ratio Rank: 93

IIMOX

IIMOX Risk / Return Rank: 7
IIMOX Sharpe Ratio Rank: 7
IIMOX Sortino Ratio Rank: 7
IIMOX Omega Ratio Rank: 7
IIMOX Calmar Ratio Rank: 6
IIMOX Martin Ratio Rank: 7

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.

IRVIX vs. IIMOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Russell Large Cap Value Index Portfolio (IRVIX) and Voya MidCap Opportunities Portfolio (IIMOX). 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.

	IRVIX	IIMOX	Difference
Sharpe ratio: Return per unit of total volatility	2.99	0.55	+2.43
Sortino ratio: Return per unit of downside risk	4.26	0.91	+3.35
Omega ratio: Gain probability vs. loss probability	1.56	1.10	+0.45
Calmar ratio: Return relative to maximum drawdown	4.94	0.59	+4.35
Martin ratio: Return relative to average drawdown	20.55	1.76	+18.79
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRVIX vs. IIMOX - Sharpe Ratio Comparison

The current IRVIX Sharpe Ratio is 2.99, which is higher than the IIMOX Sharpe Ratio of 0.55. The chart below compares the historical Sharpe Ratios of IRVIX and IIMOX, 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

	IRVIX	IIMOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.99	0.55	+2.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.80	0.28	+0.51
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.69	0.54	+0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.72	0.41	+0.31

Drawdowns

IRVIX vs. IIMOX - Drawdown Comparison

The maximum IRVIX drawdown since its inception was -35.67%, smaller than the maximum IIMOX drawdown of -49.62%. Use the drawdown chart below to compare losses from any high point for IRVIX and IIMOX.

Drawdown Indicators

	IRVIX	IIMOX	Difference
Max Drawdown Largest peak-to-trough decline	-35.67%	-49.62%	+13.95%
Max Drawdown (1Y) Largest decline over 1 year	-6.64%	-17.25%	+10.61%
Max Drawdown (3Y) Largest decline over 3 years	-13.38%	-26.24%	+12.86%
Max Drawdown (5Y) Largest decline over 5 years	-18.37%	-38.63%	+20.26%
Max Drawdown (10Y) Largest decline over 10 years	-35.67%	-38.63%	+2.96%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.83%	-10.29%	+6.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.54%	5.53%	-3.99%

Volatility

IRVIX vs. IIMOX - Volatility Comparison

Voya Russell Large Cap Value Index Portfolio (IRVIX) has a higher volatility of 4.83% compared to Voya MidCap Opportunities Portfolio (IIMOX) at 4.11%. This indicates that IRVIX's price experiences larger fluctuations and is considered to be riskier than IIMOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRVIX	IIMOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.83%	4.11%	+0.72%
Volatility (6M) Calculated over the trailing 6-month period	8.59%	14.21%	-5.62%
Volatility (1Y) Calculated over the trailing 1-year period	10.99%	18.29%	-7.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.29%	23.23%	-8.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.87%	22.07%	-5.20%

IRVIX vs. IIMOX - Expense Ratio Comparison

IRVIX has a 0.35% expense ratio, which is lower than IIMOX's 0.66% expense ratio.

Dividends

IRVIX vs. IIMOX - Dividend Comparison

IRVIX's dividend yield for the trailing twelve months is around 3.87%, less than IIMOX's 9.73% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IIMOX Voya MidCap Opportunities Portfolio	9.73%	10.50%	0.00%	0.00%	216.56%	14.45%	4.43%	12.33%	12.00%	5.41%	11.65%	17.54%
IRVIX Voya Russell Large Cap Value Index Portfolio	3.87%	29.89%	3.60%	2.01%	1.36%	1.94%	3.78%	5.91%	6.32%	1.94%	2.90%	3.11%

Frequently Asked Questions

Can I hold both IRVIX and IIMOX in my portfolio?

IRVIX and IIMOX have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IRVIX or IIMOX?

IRVIX has higher volatility (4.83%) compared to IIMOX (4.11%). In terms of maximum drawdown, IRVIX dropped -35.67% vs IIMOX's -49.62%.

Which has better risk-adjusted returns?

IRVIX currently has the higher Sharpe Ratio (2.99 vs 0.55), 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.