INGIX vs. IIRLX

Last updated Jun 4, 2026

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

Performance

INGIX vs. IIRLX - Performance Comparison

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

Returns By Period

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

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%

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%

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

INGIX vs. IIRLX - Yearly Performance Comparison

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

Correlation

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

Return for Risk

INGIX vs. IIRLX — Risk / Return Rank

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

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

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

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.

INGIX vs. IIRLX - Risk-Adjusted Trends Comparison

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

	INGIX	IIRLX	Difference
Sharpe ratio: Return per unit of total volatility	1.83	2.53	-0.69
Sortino ratio: Return per unit of downside risk	2.58	3.54	-0.96
Omega ratio: Gain probability vs. loss probability	1.42	1.47	-0.05
Calmar ratio: Return relative to maximum drawdown	3.27	3.48	-0.21
Martin ratio: Return relative to average drawdown	13.66	14.91	-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.

INGIX vs. IIRLX - Sharpe Ratio Comparison

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

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

Drawdowns

INGIX vs. IIRLX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

INGIX vs. IIRLX - Volatility Comparison

Voya U.S. Stock Index Portfolio (INGIX) has a higher volatility of 11.84% compared to Voya Russell Large Cap Index Portfolio (IIRLX) at 6.14%. This indicates that INGIX's price experiences larger fluctuations and is considered to be riskier than IIRLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

INGIX vs. IIRLX - Expense Ratio Comparison

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

Dividends

INGIX vs. IIRLX - Dividend Comparison

INGIX's dividend yield for the trailing twelve months is around 9.55%, more than IIRLX's 4.76% 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 INGIX and IIRLX in my portfolio?

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

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

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.