NGS vs. SMH

Last updated Jun 25, 2026

NGS (Natural Gas Services Group, Inc.) is a stock, while SMH (VanEck Semiconductor ETF) is Semiconductors fund tracking the MVIS US Listed Semiconductor 25 Index. Over the past 10 years, NGS returned 6.42%/yr vs 37.78%/yr for SMH. At a 0.26 correlation, their price movements are largely independent.

Performance

NGS vs. SMH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Natural Gas Services Group, Inc. (NGS) and VanEck Semiconductor ETF (SMH). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NGS achieves a 28.43% return, which is significantly lower than SMH's 71.86% return. Over the past 10 years, NGS has underperformed SMH with an annualized return of 6.42%, while SMH has yielded a comparatively higher 37.78% annualized return.

NGS

• 1D: -2.70%
• 1M: 1.01%
• YTD: 28.43%
• 6M: 27.07%
• 1Y: 64.35%
• 3Y*: 64.35%
• 5Y*: 32.21%
• 10Y*: 6.42%

SMH

• 1D: -0.50%
• 1M: 7.39%
• YTD: 71.86%
• 6M: 69.95%
• 1Y: 128.64%
• 3Y*: 62.01%
• 5Y*: 38.15%
• 10Y*: 37.78%

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

NGS vs. SMH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NGS Natural Gas Services Group, Inc.	28.43%	26.53%	66.67%	40.31%	9.46%	10.44%	-22.68%	-25.43%	-37.25%	-18.51%
SMH VanEck Semiconductor ETF	71.86%	49.17%	39.10%	73.38%	-33.53%	42.13%	55.53%	64.45%	-9.05%	38.48%

Correlation

The correlation between NGS and SMH 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	0.19
Correlation (5Y) Calculated over the trailing 5-year period	0.18
Correlation (10Y) Calculated over the trailing 10-year period	0.21
Correlation (All Time) Calculated using the full available price history since Oct 22, 2002	0.26

Return for Risk

NGS vs. SMH — Risk / Return Rank

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

NGS

NGS Risk / Return Rank: 88
NGS Sharpe Ratio Rank: 89
NGS Sortino Ratio Rank: 84
NGS Omega Ratio Rank: 84
NGS Calmar Ratio Rank: 92
NGS Martin Ratio Rank: 93

SMH

SMH Risk / Return Rank: 94
SMH Sharpe Ratio Rank: 96
SMH Sortino Ratio Rank: 91
SMH Omega Ratio Rank: 92
SMH Calmar Ratio Rank: 97
SMH Martin Ratio Rank: 96

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.

NGS vs. SMH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Natural Gas Services Group, Inc. (NGS) and VanEck Semiconductor ETF (SMH). 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.

	NGS	SMH	Difference
Sharpe ratio: Return per unit of total volatility	1.97	3.73	-1.76
Sortino ratio: Return per unit of downside risk	2.45	3.87	-1.41
Omega ratio: Gain probability vs. loss probability	1.32	1.55	-0.23
Calmar ratio: Return relative to maximum drawdown	4.82	8.67	-3.85
Martin ratio: Return relative to average drawdown	13.96	31.31	-17.35

NGS vs. SMH - Sharpe Ratio Comparison

The current NGS Sharpe Ratio is 1.97, which is lower than the SMH Sharpe Ratio of 3.73. The chart below compares the historical Sharpe Ratios of NGS and SMH, 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

NGS vs. SMH - Drawdown Comparison

The maximum NGS drawdown since its inception was -89.59%, which is greater than SMH's maximum drawdown of -84.96%. Use the drawdown chart below to compare losses from any high point for NGS and SMH.

Drawdown Indicators

	NGS	SMH	Difference
Max Drawdown Largest peak-to-trough decline	-89.59%	-84.96%	-4.63%
Max Drawdown (1Y) Largest decline over 1 year	-13.42%	-14.93%	+1.51%
Max Drawdown (3Y) Largest decline over 3 years	-40.89%	-35.74%	-5.15%
Max Drawdown (5Y) Largest decline over 5 years	-40.89%	-45.30%	+4.41%
Max Drawdown (10Y) Largest decline over 10 years	-87.91%	-45.30%	-42.61%
Current Drawdown Current decline from peak	-2.70%	-7.47%	+4.77%
Average Drawdown Average peak-to-trough decline	-47.51%	-41.00%	-6.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.63%	4.12%	+0.51%

Volatility

NGS vs. SMH - Volatility Comparison

The current volatility for Natural Gas Services Group, Inc. (NGS) is 11.35%, while VanEck Semiconductor ETF (SMH) has a volatility of 19.07%. This indicates that NGS experiences smaller price fluctuations and is considered to be less risky than SMH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NGS	SMH	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.35%	19.07%	-7.72%
Volatility (6M) Calculated over the trailing 6-month period	22.47%	29.12%	-6.65%
Volatility (1Y) Calculated over the trailing 1-year period	32.94%	34.88%	-1.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.12%	35.82%	+8.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.22%	32.96%	+13.26%

Dividends

NGS vs. SMH - Dividend Comparison

NGS's dividend yield for the trailing twelve months is around 1.09%, more than SMH's 0.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NGS Natural Gas Services Group, Inc.	1.09%	0.62%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SMH VanEck Semiconductor ETF	0.18%	0.31%	0.44%	0.60%	1.18%	0.51%	0.69%	1.50%	1.88%	1.43%	0.80%	2.14%

Frequently Asked Questions

Can I hold both NGS and SMH in my portfolio?

NGS and SMH 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, NGS or SMH?

SMH has higher volatility (19.07%) compared to NGS (11.35%). In terms of maximum drawdown, NGS dropped -89.59% vs SMH's -84.96%.

Which has better risk-adjusted returns?

SMH currently has the higher Sharpe Ratio (3.73 vs 1.97), 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.