KOS vs. OIH
KOS (Kosmos Energy Ltd.) is a stock, while OIH (VanEck Oil Services ETF) is Energy Equities fund tracking the MVIS US Listed Oil Services 25 Index. Over the past 10 years, KOS returned -6.12%/yr vs -1.73%/yr for OIH. Their 0.63 correlation means they have sometimes moved together and sometimes differently.
Performance
KOS vs. OIH - Performance Comparison
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Returns By Period
In the year-to-date period, KOS achieves a 196.45% return, which is significantly higher than OIH's 35.13% return. Over the past 10 years, KOS has underperformed OIH with an annualized return of -6.12%, while OIH has yielded a comparatively higher -1.73% annualized return.
KOS
- 1D
- 5.08%
- 1M
- 29.95%
- 6M
- 70.25%
- YTD
- 196.45%
- 1Y
- 37.95%
- 3Y*
- -27.88%
- 5Y*
- 3.09%
- 10Y*
- -6.12%
- ALL TIME*
- -11.93%
OIH
- 1D
- 2.39%
- 1M
- 7.01%
- 6M
- 10.45%
- YTD
- 35.13%
- 1Y
- 66.58%
- 3Y*
- 5.85%
- 5Y*
- 16.72%
- 10Y*
- -1.73%
- ALL TIME*
- -0.04%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $35.11M | $40.64M | $38.91M | |
| $98.54M | $112.94M | $141.52M |
KOS vs. OIH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
KOS Kosmos Energy Ltd. | 196.45% | -73.47% | -49.03% | 5.50% | 83.82% | 47.23% | -58.06% | 44.22% | -40.58% | -2.28% |
OIH VanEck Oil Services ETF | 35.13% | 6.81% | -10.53% | 3.20% | 66.17% | 21.22% | -41.19% | -3.54% | -45.03% | -19.66% |
Correlation
The correlation between KOS and OIH is 0.41, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.41 |
Correlation (3Y) Balances recent behavior with more history. | 0.57 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.66 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.64 |
Correlation (All Time) Calculated using the full available price history since May 11, 2011 | 0.63 |
Over the past year, the correlation between KOS and OIH has dropped to 0.41 - well below their long-term average of 0.63, suggesting their price drivers have been diverging.
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Return for Risk
KOS vs. OIH — Risk / Return Rank
KOS
OIH
KOS vs. OIH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Kosmos Energy Ltd. (KOS) and VanEck Oil Services ETF (OIH). 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.
| KOS | OIH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.78 | ||
| Sortino ratioReturn per unit of downside risk | -1.60 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.33 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 0.46 | 2.93 | -2.48 |
| Martin ratioReturn relative to average drawdown | 1.00 | 9.02 | -8.01 |
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Drawdowns
KOS vs. OIH - Drawdown Comparison
The maximum KOS drawdown since its inception was -97.15%, roughly equal to the maximum OIH drawdown of -94.45%. Use the drawdown chart below to compare losses from any high point for KOS and OIH.
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Drawdown Indicators
| KOS | OIH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.15% | -94.45% | -2.70% |
Max Drawdown (1Y)Largest decline over 1 year | -55.35% | -20.78% | -34.57% |
Max Drawdown (3Y)Largest decline over 3 years | -89.39% | -43.80% | -45.59% |
Max Drawdown (5Y)Largest decline over 5 years | -89.82% | -43.80% | -46.02% |
Max Drawdown (10Y)Largest decline over 10 years | -94.28% | -89.62% | -4.66% |
Current DrawdownCurrent decline from peak | -85.55% | -65.73% | -19.82% |
Average DrawdownAverage peak-to-trough decline | -65.23% | -48.94% | -16.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 28.71% | 6.76% | +21.95% |
Volatility
KOS vs. OIH - Volatility Comparison
Kosmos Energy Ltd. (KOS) has a higher volatility of 27.03% compared to VanEck Oil Services ETF (OIH) at 7.91%. This indicates that KOS's price experiences larger fluctuations and is considered to be riskier than OIH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| KOS | OIH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 27.03% | 7.91% | +19.12% |
Volatility (6M)Calculated over the trailing 6-month period | 70.63% | 20.95% | +49.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 88.61% | 29.63% | +58.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 70.32% | 36.46% | +33.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 77.45% | 42.30% | +35.15% |
Dividends
KOS vs. OIH - Dividend Comparison
KOS has not paid dividends to shareholders, while OIH's dividend yield for the trailing twelve months is around 1.27%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
KOS Kosmos Energy Ltd. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 1.92% | 3.17% | 0.00% | 0.00% | 0.00% | 0.00% |
OIH VanEck Oil Services ETF | 1.27% | 1.71% | 2.01% | 1.36% | 0.95% | 0.98% | 1.23% | 2.10% | 2.13% | 2.60% | 1.40% | 2.39% |
Frequently Asked Questions
KOS and OIH have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KOS has higher volatility (27.03%) compared to OIH (7.91%). In terms of maximum drawdown, KOS dropped -97.15% vs OIH's -94.45%.
OIH currently has the higher Sharpe Ratio (2.06 vs 0.28), 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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