IEOSX vs. RYGRX

Last updated Jun 3, 2026

IEOSX (Voya Large Cap Growth Portfolio) and RYGRX (Rydex S&P 500 Pure Growth Fund) are both Large Cap Growth Equities funds. Over the past 10 years, IEOSX returned 16.01%/yr vs 13.09%/yr for RYGRX. Their correlation of 0.90 suggests significant overlap in exposure. IEOSX charges 0.92%/yr vs 2.26%/yr for RYGRX.

Performance

IEOSX vs. RYGRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Voya Large Cap Growth Portfolio (IEOSX) and Rydex S&P 500 Pure Growth Fund (RYGRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IEOSX achieves a 11.29% return, which is significantly lower than RYGRX's 28.96% return. Over the past 10 years, IEOSX has outperformed RYGRX with an annualized return of 16.01%, while RYGRX has yielded a comparatively lower 13.09% annualized return.

IEOSX

• 1D: 0.74%
• 1M: 8.82%
• YTD: 11.29%
• 6M: 10.32%
• 1Y: 28.96%
• 3Y*: 25.12%
• 5Y*: 13.52%
• 10Y*: 16.01%

RYGRX

• 1D: 0.92%
• 1M: 10.41%
• YTD: 28.96%
• 6M: 30.49%
• 1Y: 38.01%
• 3Y*: 25.29%
• 5Y*: 10.65%
• 10Y*: 13.09%

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

IEOSX vs. RYGRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IEOSX Voya Large Cap Growth Portfolio	11.29%	15.13%	34.53%	37.38%	-30.74%	19.20%	30.20%	32.51%	-2.11%	29.48%
RYGRX Rydex S&P 500 Pure Growth Fund	28.96%	11.00%	25.73%	5.80%	-28.71%	26.61%	26.34%	34.13%	-6.28%	23.74%

Correlation

The correlation between IEOSX and RYGRX is 0.67, 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	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Jan 4, 2005	0.90

Over the past year, the correlation between IEOSX and RYGRX has dropped to 0.67 - well below their long-term average of 0.90, suggesting their price drivers have been diverging.

Return for Risk

IEOSX vs. RYGRX — Risk / Return Rank

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

IEOSX

IEOSX Risk / Return Rank: 44
IEOSX Sharpe Ratio Rank: 31
IEOSX Sortino Ratio Rank: 29
IEOSX Omega Ratio Rank: 38
IEOSX Calmar Ratio Rank: 70
IEOSX Martin Ratio Rank: 52

RYGRX

RYGRX Risk / Return Rank: 55
RYGRX Sharpe Ratio Rank: 45
RYGRX Sortino Ratio Rank: 41
RYGRX Omega Ratio Rank: 40
RYGRX Calmar Ratio Rank: 78
RYGRX Martin Ratio Rank: 70

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.

IEOSX vs. RYGRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Voya Large Cap Growth Portfolio (IEOSX) and Rydex S&P 500 Pure Growth Fund (RYGRX). 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.

	IEOSX	RYGRX	Difference
Sharpe ratio Return per unit of total volatility	1.61	1.98	-0.37
Sortino ratio Return per unit of downside risk	2.29	2.68	-0.39
Omega ratio Gain probability vs. loss probability	1.33	1.34	-0.01
Calmar ratio Return relative to maximum drawdown	3.26	3.52	-0.25
Martin ratio Return relative to average drawdown	10.71	13.52	-2.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IEOSX vs. RYGRX - Sharpe Ratio Comparison

The current IEOSX Sharpe Ratio is 1.61, which is comparable to the RYGRX Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of IEOSX and RYGRX, 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

	IEOSX	RYGRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.61	1.98	-0.37
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.46	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.74	0.57	+0.17
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.44	+0.17

Drawdowns

IEOSX vs. RYGRX - Drawdown Comparison

The maximum IEOSX drawdown since its inception was -44.03%, smaller than the maximum RYGRX drawdown of -54.22%. Use the drawdown chart below to compare losses from any high point for IEOSX and RYGRX.

Drawdown Indicators

	IEOSX	RYGRX	Difference
Max Drawdown Largest peak-to-trough decline	-44.03%	-54.22%	+10.19%
Max Drawdown (1Y) Largest decline over 1 year	-17.29%	-11.17%	-6.12%
Max Drawdown (3Y) Largest decline over 3 years	-25.33%	-24.95%	-0.38%
Max Drawdown (5Y) Largest decline over 5 years	-34.91%	-36.57%	+1.66%
Max Drawdown (10Y) Largest decline over 10 years	-34.91%	-36.63%	+1.72%
Current Drawdown Current decline from peak	-4.01%	0.00%	-4.01%
Average Drawdown Average peak-to-trough decline	-6.54%	-9.41%	+2.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.27%	2.91%	+2.36%

Volatility

IEOSX vs. RYGRX - Volatility Comparison

Voya Large Cap Growth Portfolio (IEOSX) has a higher volatility of 13.44% compared to Rydex S&P 500 Pure Growth Fund (RYGRX) at 6.39%. This indicates that IEOSX's price experiences larger fluctuations and is considered to be riskier than RYGRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IEOSX	RYGRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.44%	6.39%	+7.05%
Volatility (6M) Calculated over the trailing 6-month period	17.77%	16.29%	+1.48%
Volatility (1Y) Calculated over the trailing 1-year period	21.23%	19.74%	+1.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.23%	23.50%	-0.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.85%	22.88%	-1.03%

IEOSX vs. RYGRX - Expense Ratio Comparison

IEOSX has a 0.92% expense ratio, which is lower than RYGRX's 2.26% expense ratio.

Dividends

IEOSX vs. RYGRX - Dividend Comparison

IEOSX's dividend yield for the trailing twelve months is around 10.94%, more than RYGRX's 3.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IEOSX Voya Large Cap Growth Portfolio	10.94%	12.18%	0.00%	0.00%	64.49%	21.60%	11.24%	17.89%	16.66%	7.29%	15.02%	11.09%
RYGRX Rydex S&P 500 Pure Growth Fund	3.95%	5.09%	0.00%	0.00%	0.00%	2.81%	4.43%	12.10%	7.15%	6.26%	0.05%	2.96%

Frequently Asked Questions

Can I hold both IEOSX and RYGRX in my portfolio?

IEOSX and RYGRX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IEOSX or RYGRX?

IEOSX has higher volatility (13.44%) compared to RYGRX (6.39%). In terms of maximum drawdown, IEOSX dropped -44.03% vs RYGRX's -54.22%.

Which has better risk-adjusted returns?

RYGRX currently has the higher Sharpe Ratio (1.98 vs 1.61), 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.