NGS vs. KOLD
NGS (Natural Gas Services Group, Inc.) is a stock, while KOLD (ProShares UltraShort Bloomberg Natural Gas) is Oil & Gas fund tracking the Bloomberg Natural Gas Subindex. Over the past 10 years, NGS returned 4.34%/yr vs -22.29%/yr for KOLD. Their -0.08 correlation means they have often moved in opposite directions in the past.
Performance
NGS vs. KOLD - Performance Comparison
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Returns By Period
In the year-to-date period, NGS achieves a 9.59% return, which is significantly higher than KOLD's -16.81% return. Over the past 10 years, NGS has outperformed KOLD with an annualized return of 4.34%, while KOLD has yielded a comparatively lower -22.29% annualized return.
NGS
- 1D
- 2.09%
- 1M
- -7.15%
- 6M
- 6.45%
- YTD
- 9.59%
- 1Y
- 59.56%
- 3Y*
- 53.13%
- 5Y*
- 30.02%
- 10Y*
- 4.34%
- ALL TIME*
- 9.24%
KOLD
- 1D
- -1.11%
- 1M
- 25.17%
- 6M
- 116.05%
- YTD
- -16.81%
- 1Y
- -4.80%
- 3Y*
- -1.53%
- 5Y*
- -30.36%
- 10Y*
- -22.29%
- ALL TIME*
- -11.66%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $57.12M | $61.92M | $74.91M | |
| $5.23M | $4.86M | $5.26M |
NGS vs. KOLD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
NGS Natural Gas Services Group, Inc. | 9.59% | 26.53% | 66.67% | 40.31% | 9.46% | 10.44% | -22.68% | -25.43% | -37.25% | -18.51% |
KOLD ProShares UltraShort Bloomberg Natural Gas | -16.81% | -17.48% | -11.34% | 249.82% | -88.62% | -74.44% | 22.05% | 82.94% | -46.48% | 72.02% |
Correlation
The correlation between NGS and KOLD is -0.05, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.05 |
Correlation (3Y) Balances recent behavior with more history. | -0.08 |
Correlation (5Y) Shows whether the relationship held over a longer period. | -0.13 |
Correlation (10Y) Provides a long-term view across more market conditions. | -0.11 |
Correlation (All Time) Calculated using the full available price history since Oct 6, 2011 | -0.08 |
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Return for Risk
NGS vs. KOLD — Risk / Return Rank
NGS
KOLD
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.
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 | KOLD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.62 | ||
| Sortino ratioReturn per unit of downside risk | +1.30 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.10 | +0.17 |
| Calmar ratioReturn relative to maximum drawdown | 2.80 | -0.07 | +2.87 |
| Martin ratioReturn relative to average drawdown | 10.78 | -0.12 | +10.91 |
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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.
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Drawdown Indicators
| NGS | KOLD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.59% | -99.45% | +9.86% |
Max Drawdown (1Y)Largest decline over 1 year | -19.49% | -72.50% | +53.01% |
Max Drawdown (3Y)Largest decline over 3 years | -40.89% | -84.34% | +43.45% |
Max Drawdown (5Y)Largest decline over 5 years | -40.89% | -97.46% | +56.57% |
Max Drawdown (10Y)Largest decline over 10 years | -87.91% | -99.45% | +11.54% |
Current DrawdownCurrent decline from peak | -16.97% | -96.60% | +79.63% |
Average DrawdownAverage peak-to-trough decline | -47.35% | -69.77% | +22.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.05% | 40.92% | -35.87% |
Volatility
NGS vs. KOLD - Volatility Comparison
The current volatility for Natural Gas Services Group, Inc. (NGS) is 13.15%, while ProShares UltraShort Bloomberg Natural Gas (KOLD) has a volatility of 17.96%. 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.
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Volatility by Period
| NGS | KOLD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.15% | 17.96% | -4.81% |
Volatility (6M)Calculated over the trailing 6-month period | 25.22% | 71.96% | -46.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.59% | 110.38% | -75.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 44.17% | 118.81% | -74.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 46.30% | 101.60% | -55.30% |
Dividends
NGS vs. KOLD - Dividend Comparison
NGS's dividend yield for the trailing twelve months is around 1.28%, while KOLD has not paid dividends to shareholders.
| Position | TTM | 2025 |
|---|---|---|
KOLD ProShares UltraShort Bloomberg Natural Gas | 0.00% | 0.00% |
NGS Natural Gas Services Group, Inc. | 1.28% | 0.62% |
Frequently Asked Questions
NGS and KOLD have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KOLD has higher volatility (17.96%) compared to NGS (13.15%). In terms of maximum drawdown, NGS dropped -89.59% vs KOLD's -99.45%.
NGS currently has the higher Sharpe Ratio (1.58 vs -0.05), 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.
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