NGS vs. KOLD

Last updated Apr 1, 2026

Compare and contrast key facts about Natural Gas Services Group, Inc. (NGS) and ProShares UltraShort Bloomberg Natural Gas (KOLD).

KOLD is a passively managed fund by ProShares that tracks the performance of the Bloomberg Natural Gas Subindex (TR) (200%). It was launched on Oct 4, 2011.

Performance

NGS vs. KOLD - Performance Comparison

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

NGS vs. KOLD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NGS Natural Gas Services Group, Inc.	12.49%	26.53%	66.67%	40.31%	9.46%	10.44%	-22.68%	-25.43%	-37.25%	-18.51%
KOLD ProShares UltraShort Bloomberg Natural Gas	-38.45%	-17.48%	-11.34%	249.82%	-88.62%	-74.44%	22.05%	82.94%	-46.48%	72.02%

Returns By Period

In the year-to-date period, NGS achieves a 12.49% return, which is significantly higher than KOLD's -38.45% return. Over the past 10 years, NGS has outperformed KOLD with an annualized return of 6.14%, while KOLD has yielded a comparatively lower -29.03% annualized return.

NGS

• 1D: -1.20%
• 1M: -1.36%
• YTD: 12.49%
• 6M: 35.71%
• 1Y: 73.62%
• 3Y*: 54.67%
• 5Y*: 32.19%
• 10Y*: 6.14%

KOLD

• 1D: -0.73%
• 1M: -7.42%
• YTD: -38.45%
• 6M: -37.60%
• 1Y: 10.94%
• 3Y*: -15.68%
• 5Y*: -43.73%
• 10Y*: -29.03%

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

Return for Risk

NGS vs. KOLD — Risk / Return Rank

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

NGS

NGS Risk / Return Rank: 86
NGS Sharpe Ratio Rank: 88
NGS Sortino Ratio Rank: 83
NGS Omega Ratio Rank: 85
NGS Calmar Ratio Rank: 87
NGS Martin Ratio Rank: 90

KOLD

KOLD Risk / Return Rank: 23
KOLD Sharpe Ratio Rank: 15
KOLD Sortino Ratio Rank: 38
KOLD Omega Ratio Rank: 34
KOLD Calmar Ratio Rank: 15
KOLD Martin Ratio Rank: 14

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. KOLD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Natural Gas Services Group, Inc. (NGS) and ProShares UltraShort Bloomberg Natural Gas (KOLD). 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.

	NGS	KOLD	Difference
Sharpe ratio Return per unit of total volatility	1.72	0.09	+1.63
Sortino ratio Return per unit of downside risk	2.25	1.02	+1.23
Omega ratio Gain probability vs. loss probability	1.33	1.13	+0.20
Calmar ratio Return relative to maximum drawdown	3.26	0.11	+3.15
Martin ratio Return relative to average drawdown	10.41	0.27	+10.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NGS vs. KOLD - Sharpe Ratio Comparison

The current NGS Sharpe Ratio is 1.72, which is higher than the KOLD Sharpe Ratio of 0.09. The chart below compares the historical Sharpe Ratios of NGS and KOLD, 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

	NGS	KOLD	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.72	0.09	+1.63
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	-0.37	+1.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.13	-0.29	+0.42
Sharpe Ratio (All Time) Calculated using the full available price history	0.19	-0.15	+0.34

Correlation

The correlation between NGS and KOLD is -0.08. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

NGS vs. KOLD - Dividend Comparison

NGS's dividend yield for the trailing twelve months is around 0.85%, while KOLD has not paid dividends to shareholders.

	TTM	2025
NGS Natural Gas Services Group, Inc.	0.85%	0.62%
KOLD ProShares UltraShort Bloomberg Natural Gas	0.00%	0.00%

Drawdowns

NGS vs. KOLD - Drawdown Comparison

The maximum NGS drawdown since its inception was -89.59%, smaller than the maximum KOLD drawdown of -99.45%. Use the drawdown chart below to compare losses from any high point for NGS and KOLD.

Drawdown Indicators

	NGS	KOLD	Difference
Max Drawdown Largest peak-to-trough decline	-89.59%	-99.45%	+9.86%
Max Drawdown (1Y) Largest decline over 1 year	-23.09%	-72.50%	+49.41%
Max Drawdown (5Y) Largest decline over 5 years	-40.89%	-98.91%	+58.02%
Max Drawdown (10Y) Largest decline over 10 years	-87.91%	-99.45%	+11.54%
Current Drawdown Current decline from peak	-5.22%	-97.48%	+92.26%
Average Drawdown Average peak-to-trough decline	-47.82%	-69.15%	+21.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.24%	31.16%	-23.92%

Volatility

NGS vs. KOLD - Volatility Comparison

The current volatility for Natural Gas Services Group, Inc. (NGS) is 11.01%, while ProShares UltraShort Bloomberg Natural Gas (KOLD) has a volatility of 29.18%. This indicates that NGS experiences smaller price fluctuations and is considered to be less risky than KOLD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NGS	KOLD	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.01%	29.18%	-18.17%
Volatility (6M) Calculated over the trailing 6-month period	23.26%	101.24%	-77.98%
Volatility (1Y) Calculated over the trailing 1-year period	43.04%	120.63%	-77.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.07%	118.49%	-74.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.38%	101.91%	-55.53%