SRV vs. RYVIX

Last updated Jun 24, 2026

SRV (NXG Cushing® Midstream Energy Fund) and RYVIX (Rydex Energy Services Fund) are both Energy Equities funds. Over the past 10 years, SRV returned 12.16%/yr vs -3.10%/yr for RYVIX. At a 0.46 correlation, their price movements are largely independent. SRV charges 1.00%/yr vs 1.36%/yr for RYVIX.

Performance

SRV vs. RYVIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in NXG Cushing® Midstream Energy Fund (SRV) and Rydex Energy Services Fund (RYVIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SRV achieves a 31.90% return, which is significantly lower than RYVIX's 37.59% return. Over the past 10 years, SRV has outperformed RYVIX with an annualized return of 12.16%, while RYVIX has yielded a comparatively lower -3.10% annualized return.

SRV

• 1D: 0.41%
• 1M: -0.59%
• YTD: 31.90%
• 6M: 35.27%
• 1Y: 41.53%
• 3Y*: 29.19%
• 5Y*: 25.87%
• 10Y*: 12.16%

RYVIX

• 1D: 1.30%
• 1M: -11.57%
• YTD: 37.59%
• 6M: 38.08%
• 1Y: 70.78%
• 3Y*: 15.54%
• 5Y*: 10.37%
• 10Y*: -3.10%

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

SRV vs. RYVIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SRV NXG Cushing® Midstream Energy Fund	31.90%	5.05%	50.70%	19.88%	20.11%	50.45%	-41.65%	33.99%	-21.61%	-4.21%
RYVIX Rydex Energy Services Fund	37.59%	2.29%	-7.73%	4.45%	43.02%	17.12%	-36.94%	-0.41%	-45.58%	-18.85%

Correlation

The correlation between SRV and RYVIX is 0.29, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.29
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.50
Correlation (10Y) Calculated over the trailing 10-year period	0.53
Correlation (All Time) Calculated using the full available price history since Aug 27, 2007	0.46

The correlation between SRV and RYVIX shifts across timeframes, from 0.29 (1 year) to 0.53 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

SRV vs. RYVIX — Risk / Return Rank

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

SRV

SRV Risk / Return Rank: 58
SRV Sharpe Ratio Rank: 65
SRV Sortino Ratio Rank: 51
SRV Omega Ratio Rank: 57
SRV Calmar Ratio Rank: 74
SRV Martin Ratio Rank: 46

RYVIX

RYVIX Risk / Return Rank: 67
RYVIX Sharpe Ratio Rank: 62
RYVIX Sortino Ratio Rank: 51
RYVIX Omega Ratio Rank: 46
RYVIX Calmar Ratio Rank: 88
RYVIX Martin Ratio Rank: 86

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.

SRV vs. RYVIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for NXG Cushing® Midstream Energy Fund (SRV) and Rydex Energy Services Fund (RYVIX). 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.

	SRV	RYVIX	Difference
Sharpe ratio: Return per unit of total volatility	2.16	2.14	+0.03
Sortino ratio: Return per unit of downside risk	2.76	2.76	+0.01
Omega ratio: Gain probability vs. loss probability	1.38	1.34	+0.04
Calmar ratio: Return relative to maximum drawdown	3.18	4.17	-0.99
Martin ratio: Return relative to average drawdown	9.03	15.15	-6.12

SRV vs. RYVIX - Sharpe Ratio Comparison

The current SRV Sharpe Ratio is 2.16, which is comparable to the RYVIX Sharpe Ratio of 2.14. The chart below compares the historical Sharpe Ratios of SRV and RYVIX, 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

SRV vs. RYVIX - Drawdown Comparison

The maximum SRV drawdown since its inception was -92.97%, roughly equal to the maximum RYVIX drawdown of -94.06%. Use the drawdown chart below to compare losses from any high point for SRV and RYVIX.

Drawdown Indicators

	SRV	RYVIX	Difference
Max Drawdown Largest peak-to-trough decline	-92.97%	-94.06%	+1.09%
Max Drawdown (1Y) Largest decline over 1 year	-13.13%	-15.20%	+2.07%
Max Drawdown (3Y) Largest decline over 3 years	-26.26%	-43.86%	+17.60%
Max Drawdown (5Y) Largest decline over 5 years	-26.26%	-43.86%	+17.60%
Max Drawdown (10Y) Largest decline over 10 years	-81.70%	-88.04%	+6.34%
Current Drawdown Current decline from peak	-7.98%	-70.34%	+62.36%
Average Drawdown Average peak-to-trough decline	-48.65%	-46.21%	-2.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.61%	4.25%	+0.36%

Volatility

SRV vs. RYVIX - Volatility Comparison

The current volatility for NXG Cushing® Midstream Energy Fund (SRV) is 7.42%, while Rydex Energy Services Fund (RYVIX) has a volatility of 10.01%. This indicates that SRV experiences smaller price fluctuations and is considered to be less risky than RYVIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SRV	RYVIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.42%	10.01%	-2.59%
Volatility (6M) Calculated over the trailing 6-month period	15.76%	20.36%	-4.60%
Volatility (1Y) Calculated over the trailing 1-year period	19.52%	29.71%	-10.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.44%	35.07%	-8.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	38.30%	40.30%	-2.00%

SRV vs. RYVIX - Expense Ratio Comparison

SRV has a 1.00% expense ratio, which is lower than RYVIX's 1.36% expense ratio.

Dividends

SRV vs. RYVIX - Dividend Comparison

SRV's dividend yield for the trailing twelve months is around 15.66%, more than RYVIX's 0.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYVIX Rydex Energy Services Fund	0.39%	0.54%	0.00%	0.00%	0.00%	0.30%	1.30%	0.11%	1.48%	0.88%	0.71%	1.19%
SRV NXG Cushing® Midstream Energy Fund	15.66%	19.31%	12.85%	15.56%	8.85%	4.72%	12.05%	10.59%	12.73%	9.07%	7.95%	11.01%

Frequently Asked Questions

Can I hold both SRV and RYVIX in my portfolio?

SRV and RYVIX have a correlation of 0.29, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SRV or RYVIX?

RYVIX has higher volatility (10.01%) compared to SRV (7.42%). In terms of maximum drawdown, SRV dropped -92.97% vs RYVIX's -94.06%.

Which has better risk-adjusted returns?

SRV currently has the higher Sharpe Ratio (2.16 vs 2.14), 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.