ISOLX vs. IEDAX

Last updated Jun 4, 2026

ISOLX (Voya Target In-Retirement Fund) and IEDAX (Voya Large Cap Value Fund) are both mutual funds - ISOLX is a Target Retirement Date fund managed by Voya, while IEDAX is a Large Cap Value Equities fund managed by Voya. Over the past 10 years, ISOLX returned 5.66%/yr vs 12.43%/yr for IEDAX. A 0.74 correlation means they provide meaningful diversification when combined. ISOLX charges 0.20%/yr vs 1.10%/yr for IEDAX.

Performance

ISOLX vs. IEDAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Target In-Retirement Fund (ISOLX) and Voya Large Cap Value Fund (IEDAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ISOLX achieves a 5.29% return, which is significantly lower than IEDAX's 8.93% return. Over the past 10 years, ISOLX has underperformed IEDAX with an annualized return of 5.66%, while IEDAX has yielded a comparatively higher 12.43% annualized return.

ISOLX

• 1D: 0.17%
• 1M: 2.40%
• YTD: 5.29%
• 6M: 5.62%
• 1Y: 13.99%
• 3Y*: 10.19%
• 5Y*: 4.32%
• 10Y*: 5.66%

IEDAX

• 1D: 0.81%
• 1M: 5.65%
• YTD: 8.93%
• 6M: 9.01%
• 1Y: 18.16%
• 3Y*: 16.93%
• 5Y*: 10.37%
• 10Y*: 12.43%

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

ISOLX vs. IEDAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ISOLX Voya Target In-Retirement Fund	5.29%	11.96%	7.03%	11.13%	-14.97%	6.53%	10.46%	14.40%	-2.96%	9.49%
IEDAX Voya Large Cap Value Fund	8.93%	12.42%	16.47%	13.26%	-3.86%	26.38%	5.53%	35.63%	-8.29%	13.36%

Correlation

The correlation between ISOLX and IEDAX is 0.60, 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	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.63
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since Dec 26, 2012	0.74

The correlation between ISOLX and IEDAX shifts across timeframes, from 0.60 (1 year) to 0.74 (all time), reflecting how their relationship changes across market environments.

Return for Risk

ISOLX vs. IEDAX — Risk / Return Rank

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

ISOLX

ISOLX Risk / Return Rank: 82
ISOLX Sharpe Ratio Rank: 84
ISOLX Sortino Ratio Rank: 87
ISOLX Omega Ratio Rank: 81
ISOLX Calmar Ratio Rank: 75
ISOLX Martin Ratio Rank: 83

IEDAX

IEDAX Risk / Return Rank: 37
IEDAX Sharpe Ratio Rank: 38
IEDAX Sortino Ratio Rank: 41
IEDAX Omega Ratio Rank: 38
IEDAX Calmar Ratio Rank: 30
IEDAX Martin Ratio Rank: 36

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.

ISOLX vs. IEDAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Target In-Retirement Fund (ISOLX) and Voya Large Cap Value Fund (IEDAX). 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.

	ISOLX	IEDAX	Difference
Sharpe ratio Return per unit of total volatility	2.76	1.79	+0.96
Sortino ratio Return per unit of downside risk	4.25	2.67	+1.58
Omega ratio Gain probability vs. loss probability	1.55	1.33	+0.22
Calmar ratio Return relative to maximum drawdown	3.39	2.04	+1.35
Martin ratio Return relative to average drawdown	15.49	7.97	+7.52
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ISOLX vs. IEDAX - Sharpe Ratio Comparison

The current ISOLX Sharpe Ratio is 2.76, which is higher than the IEDAX Sharpe Ratio of 1.79. The chart below compares the historical Sharpe Ratios of ISOLX and IEDAX, 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

	ISOLX	IEDAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.76	1.79	+0.96
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	0.62	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.87	0.67	+0.20
Sharpe Ratio (All Time) Calculated using the full available price history	0.90	0.49	+0.42

Drawdowns

ISOLX vs. IEDAX - Drawdown Comparison

The maximum ISOLX drawdown since its inception was -19.02%, smaller than the maximum IEDAX drawdown of -47.31%. Use the drawdown chart below to compare losses from any high point for ISOLX and IEDAX.

Drawdown Indicators

	ISOLX	IEDAX	Difference
Max Drawdown Largest peak-to-trough decline	-19.02%	-47.31%	+28.29%
Max Drawdown (1Y) Largest decline over 1 year	-4.54%	-10.04%	+5.50%
Max Drawdown (3Y) Largest decline over 3 years	-6.37%	-22.40%	+16.03%
Max Drawdown (5Y) Largest decline over 5 years	-19.02%	-22.40%	+3.38%
Max Drawdown (10Y) Largest decline over 10 years	-19.02%	-39.36%	+20.34%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.82%	-6.49%	+3.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.96%	2.48%	-1.52%

Volatility

ISOLX vs. IEDAX - Volatility Comparison

The current volatility for Voya Target In-Retirement Fund (ISOLX) is 2.04%, while Voya Large Cap Value Fund (IEDAX) has a volatility of 3.22%. This indicates that ISOLX experiences smaller price fluctuations and is considered to be less risky than IEDAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ISOLX	IEDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.04%	3.22%	-1.18%
Volatility (6M) Calculated over the trailing 6-month period	4.51%	8.85%	-4.34%
Volatility (1Y) Calculated over the trailing 1-year period	5.59%	11.45%	-5.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.02%	17.23%	-10.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.58%	18.82%	-12.24%

ISOLX vs. IEDAX - Expense Ratio Comparison

ISOLX has a 0.20% expense ratio, which is lower than IEDAX's 1.10% expense ratio.

Dividends

ISOLX vs. IEDAX - Dividend Comparison

ISOLX's dividend yield for the trailing twelve months is around 3.69%, less than IEDAX's 7.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IEDAX Voya Large Cap Value Fund	7.33%	8.03%	15.43%	10.92%	8.06%	16.02%	9.13%	17.61%	11.75%	11.03%	1.89%	8.59%
ISOLX Voya Target In-Retirement Fund	3.69%	3.89%	2.37%	3.10%	3.50%	10.09%	3.54%	6.63%	3.53%	4.60%	2.06%	0.30%

Frequently Asked Questions

Can I hold both ISOLX and IEDAX in my portfolio?

ISOLX and IEDAX have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ISOLX or IEDAX?

IEDAX has higher volatility (3.22%) compared to ISOLX (2.04%). In terms of maximum drawdown, ISOLX dropped -19.02% vs IEDAX's -47.31%.

Which has better risk-adjusted returns?

ISOLX currently has the higher Sharpe Ratio (2.76 vs 1.79), 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.