IACIX vs. IIRLX

Last updated Jun 6, 2026

IACIX (VY American Century Small-Mid Cap Value Portfolio) and IIRLX (Voya Russell Large Cap Index Portfolio) are both mutual funds - IACIX is a Mid Cap Value Equities fund managed by Voya, while IIRLX is a Large Cap Blend Equities fund managed by Voya. Over the past 10 years, IACIX returned 9.39%/yr vs 16.12%/yr for IIRLX. Their correlation of 0.82 suggests significant overlap in exposure. IACIX charges 0.85%/yr vs 0.36%/yr for IIRLX.

Performance

IACIX vs. IIRLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VY American Century Small-Mid Cap Value Portfolio (IACIX) 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 IACIX having a 10.72% return and IIRLX slightly lower at 10.65%. Over the past 10 years, IACIX has underperformed IIRLX with an annualized return of 9.39%, while IIRLX has yielded a comparatively higher 16.12% annualized return.

IACIX

• 1D: 1.24%
• 1M: 1.24%
• YTD: 10.72%
• 6M: 10.42%
• 1Y: 19.31%
• 3Y*: 11.63%
• 5Y*: 6.10%
• 10Y*: 9.39%

IIRLX

• 1D: 0.46%
• 1M: 3.52%
• YTD: 10.65%
• 6M: 10.31%
• 1Y: 29.59%
• 3Y*: 23.47%
• 5Y*: 14.49%
• 10Y*: 16.12%

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

IACIX vs. IIRLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IACIX VY American Century Small-Mid Cap Value Portfolio	10.72%	5.24%	8.21%	9.01%	-5.23%	27.57%	3.85%	30.82%	-14.11%	11.47%
IIRLX Voya Russell Large Cap Index Portfolio	10.65%	18.77%	26.95%	29.41%	-20.07%	27.26%	21.71%	31.18%	-3.45%	22.58%

Correlation

The correlation between IACIX and IIRLX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.55
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.72
Correlation (All Time) Calculated using the full available price history since Mar 12, 2008	0.82

Over the past year, the correlation between IACIX and IIRLX has dropped to 0.49 - well below their long-term average of 0.82, suggesting their price drivers have been diverging.

Return for Risk

IACIX vs. IIRLX — Risk / Return Rank

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

IACIX

IACIX Risk / Return Rank: 36
IACIX Sharpe Ratio Rank: 34
IACIX Sortino Ratio Rank: 36
IACIX Omega Ratio Rank: 31
IACIX Calmar Ratio Rank: 44
IACIX Martin Ratio Rank: 37

IIRLX

IIRLX Risk / Return Rank: 74
IIRLX Sharpe Ratio Rank: 72
IIRLX Sortino Ratio Rank: 70
IIRLX Omega Ratio Rank: 70
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.

IACIX vs. IIRLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VY American Century Small-Mid Cap Value Portfolio (IACIX) 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.

	IACIX	IIRLX	Difference
Sharpe ratio: Return per unit of total volatility	1.60	2.41	-0.81
Sortino ratio: Return per unit of downside risk	2.43	3.39	-0.95
Omega ratio: Gain probability vs. loss probability	1.28	1.45	-0.17
Calmar ratio: Return relative to maximum drawdown	2.44	3.33	-0.88
Martin ratio: Return relative to average drawdown	7.81	14.25	-6.44
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IACIX vs. IIRLX - Sharpe Ratio Comparison

The current IACIX Sharpe Ratio is 1.60, which is lower than the IIRLX Sharpe Ratio of 2.41. The chart below compares the historical Sharpe Ratios of IACIX 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

	IACIX	IIRLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.60	2.41	-0.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.37	0.84	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	0.89	-0.39
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.62	-0.16

Drawdowns

IACIX vs. IIRLX - Drawdown Comparison

The maximum IACIX drawdown since its inception was -53.26%, which is greater than IIRLX's maximum drawdown of -50.33%. Use the drawdown chart below to compare losses from any high point for IACIX and IIRLX.

Drawdown Indicators

	IACIX	IIRLX	Difference
Max Drawdown Largest peak-to-trough decline	-53.26%	-50.33%	-2.93%
Max Drawdown (1Y) Largest decline over 1 year	-8.85%	-9.83%	+0.98%
Max Drawdown (3Y) Largest decline over 3 years	-19.18%	-19.58%	+0.40%
Max Drawdown (5Y) Largest decline over 5 years	-19.18%	-25.83%	+6.65%
Max Drawdown (10Y) Largest decline over 10 years	-40.85%	-32.60%	-8.25%
Current Drawdown Current decline from peak	0.00%	-0.40%	+0.40%
Average Drawdown Average peak-to-trough decline	-6.80%	-6.77%	-0.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.70%	2.18%	+0.52%

Volatility

IACIX vs. IIRLX - Volatility Comparison

The current volatility for VY American Century Small-Mid Cap Value Portfolio (IACIX) is 3.01%, while Voya Russell Large Cap Index Portfolio (IIRLX) has a volatility of 6.19%. This indicates that IACIX experiences smaller price fluctuations and is considered to be less risky than IIRLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IACIX	IIRLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.01%	6.19%	-3.18%
Volatility (6M) Calculated over the trailing 6-month period	9.15%	10.67%	-1.52%
Volatility (1Y) Calculated over the trailing 1-year period	13.54%	13.59%	-0.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.13%	17.77%	-0.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.25%	18.51%	+0.74%

IACIX vs. IIRLX - Expense Ratio Comparison

IACIX has a 0.85% expense ratio, which is higher than IIRLX's 0.36% expense ratio.

Dividends

IACIX vs. IIRLX - Dividend Comparison

IACIX's dividend yield for the trailing twelve months is around 8.45%, more than IIRLX's 4.78% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IACIX VY American Century Small-Mid Cap Value Portfolio	8.45%	9.35%	4.70%	15.47%	22.39%	0.94%	1.97%	11.26%	14.56%	5.11%	9.82%	25.57%
IIRLX Voya Russell Large Cap Index Portfolio	4.78%	3.76%	0.96%	1.14%	5.04%	4.77%	4.71%	4.35%	1.73%	1.47%	1.77%	1.66%

Frequently Asked Questions

Can I hold both IACIX and IIRLX in my portfolio?

IACIX and IIRLX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IACIX or IIRLX?

IIRLX has higher volatility (6.19%) compared to IACIX (3.01%). In terms of maximum drawdown, IACIX dropped -53.26% vs IIRLX's -50.33%.

Which has better risk-adjusted returns?

IIRLX currently has the higher Sharpe Ratio (2.41 vs 1.60), 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.