RYCKX vs. RYEIX

Last updated Jun 4, 2026

RYCKX (Rydex S&P MidCap 400 Pure Growth Fund) and RYEIX (Rydex Energy Fund) are both mutual funds - RYCKX is a Mid Cap Growth Equities fund managed by Rydex Funds, while RYEIX is a Energy Equities fund managed by Rydex Funds. Over the past 10 years, RYCKX returned 8.17%/yr vs 6.68%/yr for RYEIX. A 0.61 correlation means they provide meaningful diversification when combined. RYCKX charges 2.26%/yr vs 1.36%/yr for RYEIX.

Performance

RYCKX vs. RYEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex S&P MidCap 400 Pure Growth Fund (RYCKX) and Rydex Energy Fund (RYEIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RYCKX achieves a 20.27% return, which is significantly lower than RYEIX's 35.81% return. Over the past 10 years, RYCKX has outperformed RYEIX with an annualized return of 8.17%, while RYEIX has yielded a comparatively lower 6.68% annualized return.

RYCKX

• 1D: 0.61%
• 1M: 6.36%
• YTD: 20.27%
• 6M: 19.77%
• 1Y: 29.41%
• 3Y*: 17.75%
• 5Y*: 6.37%
• 10Y*: 8.17%

RYEIX

• 1D: 1.86%
• 1M: -1.58%
• YTD: 35.81%
• 6M: 31.02%
• 1Y: 51.80%
• 3Y*: 17.07%
• 5Y*: 17.42%
• 10Y*: 6.68%

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

RYCKX vs. RYEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYCKX Rydex S&P MidCap 400 Pure Growth Fund	20.27%	6.61%	15.10%	13.97%	-23.05%	11.26%	29.72%	14.60%	-15.17%	18.02%
RYEIX Rydex Energy Fund	35.81%	6.96%	0.49%	1.87%	49.54%	50.70%	-34.24%	6.50%	-25.31%	-6.17%

Correlation

The correlation between RYCKX and RYEIX is 0.20, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.20
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (10Y) Calculated over the trailing 10-year period	0.55
Correlation (All Time) Calculated using the full available price history since Jan 4, 2005	0.61

Over the past year, the correlation between RYCKX and RYEIX has dropped to 0.20 - well below their long-term average of 0.61, suggesting their price drivers have been diverging.

Return for Risk

RYCKX vs. RYEIX — Risk / Return Rank

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

RYCKX

RYCKX Risk / Return Rank: 44
RYCKX Sharpe Ratio Rank: 34
RYCKX Sortino Ratio Rank: 34
RYCKX Omega Ratio Rank: 31
RYCKX Calmar Ratio Rank: 59
RYCKX Martin Ratio Rank: 59

RYEIX

RYEIX Risk / Return Rank: 81
RYEIX Sharpe Ratio Rank: 86
RYEIX Sortino Ratio Rank: 72
RYEIX Omega Ratio Rank: 64
RYEIX Calmar Ratio Rank: 94
RYEIX Martin Ratio Rank: 89

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.

RYCKX vs. RYEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex S&P MidCap 400 Pure Growth Fund (RYCKX) and Rydex Energy Fund (RYEIX). 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.

	RYCKX	RYEIX	Difference
Sharpe ratio: Return per unit of total volatility	1.69	2.81	-1.12
Sortino ratio: Return per unit of downside risk	2.43	3.54	-1.11
Omega ratio: Gain probability vs. loss probability	1.29	1.45	-0.15
Calmar ratio: Return relative to maximum drawdown	2.95	5.63	-2.69
Martin ratio: Return relative to average drawdown	11.86	17.55	-5.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYCKX vs. RYEIX - Sharpe Ratio Comparison

The current RYCKX Sharpe Ratio is 1.69, which is lower than the RYEIX Sharpe Ratio of 2.81. The chart below compares the historical Sharpe Ratios of RYCKX and RYEIX, 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

	RYCKX	RYEIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	2.81	-1.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.66	-0.38
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.36	0.21	+0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.35	0.18	+0.17

Drawdowns

RYCKX vs. RYEIX - Drawdown Comparison

The maximum RYCKX drawdown since its inception was -52.60%, smaller than the maximum RYEIX drawdown of -83.50%. Use the drawdown chart below to compare losses from any high point for RYCKX and RYEIX.

Drawdown Indicators

	RYCKX	RYEIX	Difference
Max Drawdown Largest peak-to-trough decline	-52.60%	-83.50%	+30.90%
Max Drawdown (1Y) Largest decline over 1 year	-10.50%	-9.74%	-0.76%
Max Drawdown (3Y) Largest decline over 3 years	-27.14%	-26.94%	-0.20%
Max Drawdown (5Y) Largest decline over 5 years	-35.98%	-26.94%	-9.04%
Max Drawdown (10Y) Largest decline over 10 years	-44.75%	-74.93%	+30.18%
Current Drawdown Current decline from peak	0.00%	-2.86%	+2.86%
Average Drawdown Average peak-to-trough decline	-9.52%	-28.62%	+19.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.60%	3.12%	-0.52%

Volatility

RYCKX vs. RYEIX - Volatility Comparison

Rydex S&P MidCap 400 Pure Growth Fund (RYCKX) and Rydex Energy Fund (RYEIX) have volatilities of 6.42% and 6.66%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYCKX	RYEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.42%	6.66%	-0.24%
Volatility (6M) Calculated over the trailing 6-month period	14.65%	14.99%	-0.34%
Volatility (1Y) Calculated over the trailing 1-year period	18.34%	19.58%	-1.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.78%	26.46%	-3.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.06%	31.83%	-8.77%

RYCKX vs. RYEIX - Expense Ratio Comparison

RYCKX has a 2.26% expense ratio, which is higher than RYEIX's 1.36% expense ratio.

Dividends

RYCKX vs. RYEIX - Dividend Comparison

RYCKX has not paid dividends to shareholders, while RYEIX's dividend yield for the trailing twelve months is around 1.85%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYCKX Rydex S&P MidCap 400 Pure Growth Fund	0.00%	0.00%	20.92%	0.00%	14.34%	13.66%	1.29%	0.00%	18.93%	7.60%	1.72%	5.90%
RYEIX Rydex Energy Fund	1.85%	2.51%	3.84%	2.68%	2.55%	0.50%	2.38%	0.78%	0.81%	0.71%	0.62%	0.43%

Frequently Asked Questions

Can I hold both RYCKX and RYEIX in my portfolio?

RYCKX and RYEIX have a correlation of 0.20, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RYCKX or RYEIX?

RYEIX has higher volatility (6.66%) compared to RYCKX (6.42%). In terms of maximum drawdown, RYCKX dropped -52.60% vs RYEIX's -83.50%.

Which has better risk-adjusted returns?

RYEIX currently has the higher Sharpe Ratio (2.81 vs 1.69), 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.