GLV vs. SRV

Last updated Jun 23, 2026

GLV (Clough Global Dividend and Income Fund) and SRV (NXG Cushing® Midstream Energy Fund) are both mutual funds - GLV is a Global Equity Income fund managed by Clough Capital, while SRV is a Energy Equities fund actively managed by NXG. Over the past 10 years, GLV returned 6.11%/yr vs 12.12%/yr for SRV. At a 0.30 correlation, their price movements are largely independent. GLV charges 0.02%/yr vs 1.00%/yr for SRV.

Performance

GLV vs. SRV - Performance Comparison

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

Returns By Period

In the year-to-date period, GLV achieves a 14.96% return, which is significantly lower than SRV's 31.36% return. Over the past 10 years, GLV has underperformed SRV with an annualized return of 6.11%, while SRV has yielded a comparatively higher 12.12% annualized return.

GLV

• 1D: 0.31%
• 1M: 5.42%
• YTD: 14.96%
• 6M: 14.96%
• 1Y: 30.94%
• 3Y*: 19.12%
• 5Y*: 1.96%
• 10Y*: 6.11%

SRV

• 1D: 3.74%
• 1M: -1.00%
• YTD: 31.36%
• 6M: 36.75%
• 1Y: 36.76%
• 3Y*: 29.01%
• 5Y*: 25.60%
• 10Y*: 12.12%

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

GLV vs. SRV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GLV Clough Global Dividend and Income Fund	14.96%	23.01%	17.85%	-8.45%	-31.93%	14.47%	7.91%	22.40%	-16.22%	22.36%
SRV NXG Cushing® Midstream Energy Fund	31.36%	5.05%	50.70%	19.88%	20.11%	50.45%	-41.65%	33.99%	-21.61%	-4.21%

Correlation

The correlation between GLV and SRV is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.11
Correlation (3Y) Calculated over the trailing 3-year period	0.20
Correlation (5Y) Calculated over the trailing 5-year period	0.24
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Aug 27, 2007	0.30

The correlation between GLV and SRV shifts across timeframes, from 0.11 (1 year) to 0.30 (all time), reflecting how their relationship changes across market environments.

Return for Risk

GLV vs. SRV — Risk / Return Rank

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

GLV

GLV Risk / Return Rank: 76
GLV Sharpe Ratio Rank: 79
GLV Sortino Ratio Rank: 78
GLV Omega Ratio Rank: 73
GLV Calmar Ratio Rank: 85
GLV Martin Ratio Rank: 68

SRV

SRV Risk / Return Rank: 46
SRV Sharpe Ratio Rank: 49
SRV Sortino Ratio Rank: 40
SRV Omega Ratio Rank: 45
SRV Calmar Ratio Rank: 59
SRV Martin Ratio Rank: 39

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.

GLV vs. SRV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Clough Global Dividend and Income Fund (GLV) and NXG Cushing® Midstream Energy Fund (SRV). 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.

	GLV	SRV	Difference
Sharpe ratio: Return per unit of total volatility	2.39	1.89	+0.50
Sortino ratio: Return per unit of downside risk	3.39	2.45	+0.94
Omega ratio: Gain probability vs. loss probability	1.44	1.34	+0.10
Calmar ratio: Return relative to maximum drawdown	3.79	2.81	+0.98
Martin ratio: Return relative to average drawdown	12.31	8.00	+4.31

GLV vs. SRV - Sharpe Ratio Comparison

The current GLV Sharpe Ratio is 2.39, which is comparable to the SRV Sharpe Ratio of 1.89. The chart below compares the historical Sharpe Ratios of GLV and SRV, 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

GLV vs. SRV - Drawdown Comparison

The maximum GLV drawdown since its inception was -61.66%, smaller than the maximum SRV drawdown of -92.97%. Use the drawdown chart below to compare losses from any high point for GLV and SRV.

Drawdown Indicators

	GLV	SRV	Difference
Max Drawdown Largest peak-to-trough decline	-61.66%	-92.97%	+31.31%
Max Drawdown (1Y) Largest decline over 1 year	-8.21%	-13.13%	+4.92%
Max Drawdown (3Y) Largest decline over 3 years	-13.63%	-26.26%	+12.63%
Max Drawdown (5Y) Largest decline over 5 years	-47.37%	-26.26%	-21.11%
Max Drawdown (10Y) Largest decline over 10 years	-47.37%	-81.70%	+34.33%
Current Drawdown Current decline from peak	-3.30%	-8.36%	+5.06%
Average Drawdown Average peak-to-trough decline	-14.87%	-48.66%	+33.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.52%	4.62%	-2.10%

Volatility

GLV vs. SRV - Volatility Comparison

The current volatility for Clough Global Dividend and Income Fund (GLV) is 4.67%, while NXG Cushing® Midstream Energy Fund (SRV) has a volatility of 7.44%. This indicates that GLV experiences smaller price fluctuations and is considered to be less risky than SRV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLV	SRV	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.67%	7.44%	-2.77%
Volatility (6M) Calculated over the trailing 6-month period	10.65%	15.77%	-5.12%
Volatility (1Y) Calculated over the trailing 1-year period	13.04%	19.56%	-6.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.19%	26.44%	-9.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.89%	38.31%	-18.42%

GLV vs. SRV - Expense Ratio Comparison

GLV has a 0.02% expense ratio, which is lower than SRV's 1.00% expense ratio.

Dividends

GLV vs. SRV - Dividend Comparison

GLV's dividend yield for the trailing twelve months is around 10.08%, less than SRV's 15.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GLV Clough Global Dividend and Income Fund	10.08%	10.57%	11.64%	13.92%	16.99%	10.82%	11.67%	11.17%	13.68%	10.00%	11.26%	10.69%
SRV NXG Cushing® Midstream Energy Fund	15.72%	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 GLV and SRV in my portfolio?

GLV and SRV have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GLV or SRV?

SRV has higher volatility (7.44%) compared to GLV (4.67%). In terms of maximum drawdown, GLV dropped -61.66% vs SRV's -92.97%.

Which has better risk-adjusted returns?

GLV currently has the higher Sharpe Ratio (2.39 vs 1.89), 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.