ISFIX vs. IIRLX

Last updated Jun 24, 2026

ISFIX (VY Columbia Contrarian Core Portfolio) and IIRLX (Voya Russell Large Cap Index Portfolio) are both Large Cap Blend Equities funds from Voya. Over the past 10 years, ISFIX returned 19.61%/yr vs 16.29%/yr for IIRLX. With a 0.98 correlation, they move nearly in lockstep. ISFIX charges 0.73%/yr vs 0.36%/yr for IIRLX.

Performance

ISFIX vs. IIRLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VY Columbia Contrarian Core Portfolio (ISFIX) 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 investments are quite close, with ISFIX having a 8.30% return and IIRLX slightly higher at 8.47%. Over the past 10 years, ISFIX has outperformed IIRLX with an annualized return of 19.61%, while IIRLX has yielded a comparatively lower 16.29% annualized return.

ISFIX

• 1D: -0.74%
• 1M: 0.65%
• YTD: 8.30%
• 6M: 7.55%
• 1Y: 23.74%
• 3Y*: 20.47%
• 5Y*: 12.93%
• 10Y*: 19.61%

IIRLX

• 1D: -0.61%
• 1M: -0.50%
• YTD: 8.47%
• 6M: 7.53%
• 1Y: 25.20%
• 3Y*: 21.92%
• 5Y*: 13.84%
• 10Y*: 16.29%

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

ISFIX vs. IIRLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ISFIX VY Columbia Contrarian Core Portfolio	8.30%	17.39%	23.33%	31.94%	-18.25%	24.31%	21.81%	91.56%	-8.72%	21.97%
IIRLX Voya Russell Large Cap Index Portfolio	8.47%	18.77%	26.95%	29.41%	-20.07%	27.26%	21.71%	31.18%	-3.45%	22.58%

Correlation

The correlation between ISFIX and IIRLX is 0.97 - 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	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.98
Correlation (All Time) Calculated using the full available price history since Mar 11, 2008	0.98

The correlation between ISFIX and IIRLX has been stable across timeframes, ranging from 0.97 to 0.98 - a consistent structural relationship.

Return for Risk

ISFIX vs. IIRLX — Risk / Return Rank

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

ISFIX

ISFIX Risk / Return Rank: 54
ISFIX Sharpe Ratio Rank: 57
ISFIX Sortino Ratio Rank: 53
ISFIX Omega Ratio Rank: 52
ISFIX Calmar Ratio Rank: 54
ISFIX Martin Ratio Rank: 55

IIRLX

IIRLX Risk / Return Rank: 60
IIRLX Sharpe Ratio Rank: 57
IIRLX Sortino Ratio Rank: 55
IIRLX Omega Ratio Rank: 56
IIRLX Calmar Ratio Rank: 65
IIRLX Martin Ratio Rank: 67

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.

ISFIX vs. IIRLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VY Columbia Contrarian Core Portfolio (ISFIX) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	ISFIX	IIRLX	Difference
Sharpe ratio: Return per unit of total volatility	2.04	2.04	0.00
Sortino ratio: Return per unit of downside risk	2.81	2.85	-0.05
Omega ratio: Gain probability vs. loss probability	1.36	1.38	-0.02
Calmar ratio: Return relative to maximum drawdown	2.68	2.95	-0.27
Martin ratio: Return relative to average drawdown	10.44	12.29	-1.85

ISFIX vs. IIRLX - Sharpe Ratio Comparison

The current ISFIX Sharpe Ratio is 2.04, which is comparable to the IIRLX Sharpe Ratio of 2.04. The chart below compares the historical Sharpe Ratios of ISFIX 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.

Drawdowns

ISFIX vs. IIRLX - Drawdown Comparison

The maximum ISFIX drawdown since its inception was -57.61%, which is greater than IIRLX's maximum drawdown of -50.33%. Use the drawdown chart below to compare losses from any high point for ISFIX and IIRLX.

Drawdown Indicators

	ISFIX	IIRLX	Difference
Max Drawdown Largest peak-to-trough decline	-57.61%	-50.33%	-7.28%
Max Drawdown (1Y) Largest decline over 1 year	-10.06%	-9.83%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-20.18%	-19.58%	-0.60%
Max Drawdown (5Y) Largest decline over 5 years	-24.00%	-25.83%	+1.83%
Max Drawdown (10Y) Largest decline over 10 years	-32.51%	-32.60%	+0.09%
Current Drawdown Current decline from peak	-2.05%	-2.36%	+0.31%
Average Drawdown Average peak-to-trough decline	-8.11%	-6.76%	-1.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.47%	2.26%	+0.21%

Volatility

ISFIX vs. IIRLX - Volatility Comparison

VY Columbia Contrarian Core Portfolio (ISFIX) has a higher volatility of 5.32% compared to Voya Russell Large Cap Index Portfolio (IIRLX) at 4.84%. This indicates that ISFIX'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

	ISFIX	IIRLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.32%	4.84%	+0.48%
Volatility (6M) Calculated over the trailing 6-month period	10.24%	11.51%	-1.27%
Volatility (1Y) Calculated over the trailing 1-year period	13.23%	14.24%	-1.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.64%	17.87%	-0.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.00%	18.57%	+4.43%

ISFIX vs. IIRLX - Expense Ratio Comparison

ISFIX has a 0.73% expense ratio, which is higher than IIRLX's 0.36% expense ratio.

Dividends

ISFIX vs. IIRLX - Dividend Comparison

ISFIX's dividend yield for the trailing twelve months is around 7.39%, more than IIRLX's 4.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IIRLX Voya Russell Large Cap Index Portfolio	4.88%	3.76%	0.96%	1.14%	5.04%	4.77%	4.71%	4.35%	1.73%	1.47%	1.77%	1.66%
ISFIX VY Columbia Contrarian Core Portfolio	7.39%	8.00%	2.11%	43.85%	20.76%	11.30%	2.65%	77.40%	13.78%	6.74%	13.24%	13.56%

Frequently Asked Questions

Can I hold both ISFIX and IIRLX in my portfolio?

With a correlation of 0.97, ISFIX 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, ISFIX or IIRLX?

ISFIX has higher volatility (5.32%) compared to IIRLX (4.84%). In terms of maximum drawdown, ISFIX dropped -57.61% vs IIRLX's -50.33%.

Which has better risk-adjusted returns?

ISFIX currently has the higher Sharpe Ratio (2.04 vs 2.04), 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.