IIRLX vs. INGIX

Last updated Jun 4, 2026

IIRLX (Voya Russell Large Cap Index Portfolio) and INGIX (Voya U.S. Stock Index Portfolio) are both Large Cap Blend Equities funds from Voya. Over the past 10 years, IIRLX returned 16.22%/yr vs 15.21%/yr for INGIX. With a 0.99 correlation, they move nearly in lockstep. IIRLX charges 0.36%/yr vs 0.27%/yr for INGIX.

Performance

IIRLX vs. INGIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Russell Large Cap Index Portfolio (IIRLX) and Voya U.S. Stock Index Portfolio (INGIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with IIRLX having a 11.09% return and INGIX slightly higher at 11.59%. Over the past 10 years, IIRLX has outperformed INGIX with an annualized return of 16.22%, while INGIX has yielded a comparatively lower 15.21% annualized return.

IIRLX

• 1D: 0.06%
• 1M: 6.31%
• YTD: 11.09%
• 6M: 11.05%
• 1Y: 29.54%
• 3Y*: 23.56%
• 5Y*: 14.81%
• 10Y*: 16.22%

INGIX

• 1D: 0.13%
• 1M: 5.76%
• YTD: 11.59%
• 6M: 10.07%
• 1Y: 26.86%
• 3Y*: 21.89%
• 5Y*: 13.66%
• 10Y*: 15.21%

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

IIRLX vs. INGIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IIRLX Voya Russell Large Cap Index Portfolio	11.09%	18.77%	26.95%	29.41%	-20.07%	27.26%	21.71%	31.18%	-3.45%	22.58%
INGIX Voya U.S. Stock Index Portfolio	11.59%	15.88%	24.71%	26.04%	-18.40%	28.33%	18.07%	31.15%	-4.62%	21.49%

Correlation

The correlation between IIRLX and INGIX 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	0.99
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 Mar 12, 2008	0.99

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

Return for Risk

IIRLX vs. INGIX — Risk / Return Rank

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

IIRLX

IIRLX Risk / Return Rank: 75
IIRLX Sharpe Ratio Rank: 76
IIRLX Sortino Ratio Rank: 72
IIRLX Omega Ratio Rank: 71
IIRLX Calmar Ratio Rank: 77
IIRLX Martin Ratio Rank: 79

INGIX

INGIX Risk / Return Rank: 55
INGIX Sharpe Ratio Rank: 40
INGIX Sortino Ratio Rank: 38
INGIX Omega Ratio Rank: 57
INGIX Calmar Ratio Rank: 72
INGIX Martin Ratio Rank: 71

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.

IIRLX vs. INGIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Russell Large Cap Index Portfolio (IIRLX) and Voya U.S. Stock Index Portfolio (INGIX). 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.

	IIRLX	INGIX	Difference
Sharpe ratio: Return per unit of total volatility	2.53	1.83	+0.69
Sortino ratio: Return per unit of downside risk	3.54	2.58	+0.96
Omega ratio: Gain probability vs. loss probability	1.47	1.42	+0.05
Calmar ratio: Return relative to maximum drawdown	3.48	3.27	+0.21
Martin ratio: Return relative to average drawdown	14.91	13.66	+1.25
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IIRLX vs. INGIX - Sharpe Ratio Comparison

The current IIRLX Sharpe Ratio is 2.53, which is higher than the INGIX Sharpe Ratio of 1.83. The chart below compares the historical Sharpe Ratios of IIRLX and INGIX, 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

	IIRLX	INGIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.53	1.83	+0.69
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.86	0.78	+0.08
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.89	0.83	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.47	+0.15

Drawdowns

IIRLX vs. INGIX - Drawdown Comparison

The maximum IIRLX drawdown since its inception was -50.33%, smaller than the maximum INGIX drawdown of -55.38%. Use the drawdown chart below to compare losses from any high point for IIRLX and INGIX.

Drawdown Indicators

	IIRLX	INGIX	Difference
Max Drawdown Largest peak-to-trough decline	-50.33%	-55.38%	+5.05%
Max Drawdown (1Y) Largest decline over 1 year	-9.83%	-9.53%	-0.30%
Max Drawdown (3Y) Largest decline over 3 years	-19.58%	-19.08%	-0.50%
Max Drawdown (5Y) Largest decline over 5 years	-25.83%	-24.69%	-1.14%
Max Drawdown (10Y) Largest decline over 10 years	-32.60%	-33.84%	+1.24%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-6.78%	-8.18%	+1.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.18%	2.17%	+0.01%

Volatility

IIRLX vs. INGIX - Volatility Comparison

The current volatility for Voya Russell Large Cap Index Portfolio (IIRLX) is 6.14%, while Voya U.S. Stock Index Portfolio (INGIX) has a volatility of 11.84%. This indicates that IIRLX experiences smaller price fluctuations and is considered to be less risky than INGIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IIRLX	INGIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.14%	11.84%	-5.70%
Volatility (6M) Calculated over the trailing 6-month period	10.65%	14.54%	-3.89%
Volatility (1Y) Calculated over the trailing 1-year period	13.55%	16.99%	-3.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.77%	18.02%	-0.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.52%	18.60%	-0.08%

IIRLX vs. INGIX - Expense Ratio Comparison

IIRLX has a 0.36% expense ratio, which is higher than INGIX's 0.27% expense ratio.

Dividends

IIRLX vs. INGIX - Dividend Comparison

IIRLX's dividend yield for the trailing twelve months is around 4.76%, less than INGIX's 9.55% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IIRLX Voya Russell Large Cap Index Portfolio	4.76%	3.76%	0.96%	1.14%	5.04%	4.77%	4.71%	4.35%	1.73%	1.47%	1.77%	1.66%
INGIX Voya U.S. Stock Index Portfolio	9.55%	10.66%	9.12%	11.02%	12.95%	10.29%	5.21%	6.82%	8.29%	6.30%	7.74%	11.51%

Frequently Asked Questions

Can I hold both IIRLX and INGIX in my portfolio?

With a correlation of 0.99, IIRLX and INGIX 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, IIRLX or INGIX?

INGIX has higher volatility (11.84%) compared to IIRLX (6.14%). In terms of maximum drawdown, IIRLX dropped -50.33% vs INGIX's -55.38%.

Which has better risk-adjusted returns?

IIRLX currently has the higher Sharpe Ratio (2.53 vs 1.83), 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.