RYUIX vs. GASFX

Last updated Apr 1, 2026

Compare and contrast key facts about Rydex Utilities Fund (RYUIX) and Hennessy Gas Utility Fund (GASFX).

RYUIX is managed by Rydex Funds. It was launched on Apr 2, 2000. GASFX is managed by Hennessy. It was launched on May 9, 1989.

Performance

RYUIX vs. GASFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex Utilities Fund (RYUIX) and Hennessy Gas Utility Fund (GASFX). The values are adjusted to include any dividend payments, if applicable.

RYUIX vs. GASFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYUIX Rydex Utilities Fund	7.22%	17.90%	20.25%	-6.78%	1.32%	15.08%	-4.56%	19.38%	4.07%	11.36%
GASFX Hennessy Gas Utility Fund	14.24%	10.42%	24.98%	0.27%	13.68%	19.60%	-9.34%	20.80%	-3.47%	7.04%

Returns By Period

In the year-to-date period, RYUIX achieves a 7.22% return, which is significantly lower than GASFX's 14.24% return. Over the past 10 years, RYUIX has underperformed GASFX with an annualized return of 8.29%, while GASFX has yielded a comparatively higher 10.14% annualized return.

RYUIX

• 1D: 0.49%
• 1M: -3.53%
• YTD: 7.22%
• 6M: 5.29%
• 1Y: 19.88%
• 3Y*: 13.37%
• 5Y*: 9.84%
• 10Y*: 8.29%

GASFX

• 1D: 0.17%
• 1M: 0.60%
• YTD: 14.24%
• 6M: 11.75%
• 1Y: 17.55%
• 3Y*: 16.83%
• 5Y*: 14.84%
• 10Y*: 10.14%

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

RYUIX vs. GASFX - Expense Ratio Comparison

RYUIX has a 1.39% expense ratio, which is higher than GASFX's 1.00% expense ratio.

RYUIX

Rydex Utilities Fund

GASFX

Hennessy Gas Utility Fund

Return for Risk

RYUIX vs. GASFX — Risk / Return Rank

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

RYUIX

RYUIX Risk / Return Rank: 75
RYUIX Sharpe Ratio Rank: 77
RYUIX Sortino Ratio Rank: 75
RYUIX Omega Ratio Rank: 67
RYUIX Calmar Ratio Rank: 91
RYUIX Martin Ratio Rank: 67

GASFX

GASFX Risk / Return Rank: 77
GASFX Sharpe Ratio Rank: 76
GASFX Sortino Ratio Rank: 73
GASFX Omega Ratio Rank: 68
GASFX Calmar Ratio Rank: 87
GASFX Martin Ratio Rank: 83

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.

RYUIX vs. GASFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex Utilities Fund (RYUIX) and Hennessy Gas Utility Fund (GASFX). 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.

	RYUIX	GASFX	Difference
Sharpe ratio Return per unit of total volatility	1.40	1.36	+0.04
Sortino ratio Return per unit of downside risk	1.89	1.80	+0.08
Omega ratio Gain probability vs. loss probability	1.26	1.25	0.00
Calmar ratio Return relative to maximum drawdown	2.64	2.27	+0.37
Martin ratio Return relative to average drawdown	6.40	8.36	-1.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYUIX vs. GASFX - Sharpe Ratio Comparison

The current RYUIX Sharpe Ratio is 1.40, which is comparable to the GASFX Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of RYUIX and GASFX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RYUIX	GASFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	1.36	+0.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.97	-0.37
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	0.58	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.58	-0.30

Correlation

The correlation between RYUIX and GASFX is 0.91, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

RYUIX vs. GASFX - Dividend Comparison

RYUIX's dividend yield for the trailing twelve months is around 1.74%, less than GASFX's 10.02% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYUIX Rydex Utilities Fund	1.74%	1.87%	0.67%	3.16%	0.81%	2.61%	2.17%	0.91%	0.00%	2.61%	10.04%	1.62%
GASFX Hennessy Gas Utility Fund	10.02%	12.06%	7.36%	6.63%	15.49%	10.63%	10.93%	7.11%	12.31%	2.96%	3.52%	5.64%

Drawdowns

RYUIX vs. GASFX - Drawdown Comparison

The maximum RYUIX drawdown since its inception was -63.29%, which is greater than GASFX's maximum drawdown of -49.33%. Use the drawdown chart below to compare losses from any high point for RYUIX and GASFX.

Drawdown Indicators

	RYUIX	GASFX	Difference
Max Drawdown Largest peak-to-trough decline	-63.29%	-49.33%	-13.96%
Max Drawdown (1Y) Largest decline over 1 year	-8.27%	-8.47%	+0.20%
Max Drawdown (5Y) Largest decline over 5 years	-24.28%	-18.25%	-6.03%
Max Drawdown (10Y) Largest decline over 10 years	-36.88%	-37.23%	+0.35%
Current Drawdown Current decline from peak	-3.53%	-0.23%	-3.30%
Average Drawdown Average peak-to-trough decline	-14.53%	-7.88%	-6.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.41%	2.30%	+1.11%

Volatility

RYUIX vs. GASFX - Volatility Comparison

Rydex Utilities Fund (RYUIX) has a higher volatility of 4.91% compared to Hennessy Gas Utility Fund (GASFX) at 3.35%. This indicates that RYUIX's price experiences larger fluctuations and is considered to be riskier than GASFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYUIX	GASFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.91%	3.35%	+1.56%
Volatility (6M) Calculated over the trailing 6-month period	9.58%	7.85%	+1.73%
Volatility (1Y) Calculated over the trailing 1-year period	15.08%	13.69%	+1.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.54%	15.32%	+1.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.88%	17.63%	+1.25%