KOS vs. FANG
KOS (Kosmos Energy Ltd.) and FANG (Diamondback Energy, Inc.) are both stocks. Both operate in the Oil & Gas E&P industry within the Energy sector. Over the past 10 years, KOS returned -7.75%/yr vs 10.91%/yr for FANG. A 0.61 correlation means they provide meaningful diversification when combined.
Performance
KOS vs. FANG - Performance Comparison
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Returns By Period
In the year-to-date period, KOS achieves a 153.47% return, which is significantly higher than FANG's 26.44% return. Over the past 10 years, KOS has underperformed FANG with an annualized return of -7.75%, while FANG has yielded a comparatively higher 10.91% annualized return.
KOS
- 1D
- -6.50%
- 1M
- -24.09%
- YTD
- 153.47%
- 6M
- 144.16%
- 1Y
- 15.00%
- 3Y*
- -25.08%
- 5Y*
- -9.98%
- 10Y*
- -7.75%
FANG
- 1D
- 0.06%
- 1M
- -6.38%
- YTD
- 26.44%
- 6M
- 28.29%
- 1Y
- 36.56%
- 3Y*
- 18.71%
- 5Y*
- 19.77%
- 10Y*
- 10.91%
KOS vs. FANG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
KOS Kosmos Energy Ltd. | 153.47% | -73.47% | -49.03% | 5.50% | 83.82% | 47.23% | -58.06% | 44.22% | -40.58% | -2.28% |
FANG Diamondback Energy, Inc. | 26.44% | -5.64% | 10.35% | 19.66% | 35.34% | 127.51% | -46.00% | 0.92% | -26.35% | 24.93% |
Correlation
The correlation between KOS and FANG is 0.61, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.61 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.66 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.69 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since Oct 12, 2012 | 0.61 |
The correlation between KOS and FANG has been stable across timeframes, ranging from 0.61 to 0.69 - a consistent structural relationship.
Fundamentals
KOS:
$1.16B
FANG:
$53.14B
KOS:
-$1.68
FANG:
$1.40
KOS:
0.81
FANG:
3.56
KOS:
2.26
FANG:
1.46
KOS:
$1.37B
FANG:
$15.19B
KOS:
$10.14M
FANG:
$7.30B
KOS:
$95.79M
FANG:
$5.54B
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Return for Risk
KOS vs. FANG — Risk / Return Rank
KOS
FANG
KOS vs. FANG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Kosmos Energy Ltd. (KOS) and Diamondback Energy, Inc. (FANG). 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 | FANG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.02 | ||
| Sortino ratioReturn per unit of downside risk | -0.81 | ||
| Omega ratioGain probability vs. loss probability | 1.10 | 1.20 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 0.24 | 2.69 | -2.45 |
| Martin ratioReturn relative to average drawdown | 0.48 | 6.58 | -6.10 |
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Drawdowns
KOS vs. FANG - Drawdown Comparison
The maximum KOS drawdown since its inception was -97.15%, which is greater than FANG's maximum drawdown of -88.72%. Use the drawdown chart below to compare losses from any high point for KOS and FANG.
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Drawdown Indicators
| KOS | FANG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -97.15% | -88.72% | -8.43% |
Max Drawdown (1Y)Largest decline over 1 year | -63.57% | -13.66% | -49.91% |
Max Drawdown (3Y)Largest decline over 3 years | -89.39% | -42.10% | -47.29% |
Max Drawdown (5Y)Largest decline over 5 years | -89.82% | -42.10% | -47.72% |
Max Drawdown (10Y)Largest decline over 10 years | -94.28% | -88.72% | -5.56% |
Current DrawdownCurrent decline from peak | -87.64% | -11.58% | -76.06% |
Average DrawdownAverage peak-to-trough decline | -65.07% | -19.36% | -45.71% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 31.33% | 5.57% | +25.76% |
Volatility
KOS vs. FANG - Volatility Comparison
Kosmos Energy Ltd. (KOS) has a higher volatility of 20.85% compared to Diamondback Energy, Inc. (FANG) at 10.99%. This indicates that KOS's price experiences larger fluctuations and is considered to be riskier than FANG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| KOS | FANG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.85% | 10.99% | +9.86% |
Volatility (6M)Calculated over the trailing 6-month period | 72.31% | 23.19% | +49.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 87.01% | 31.20% | +55.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 69.92% | 37.84% | +32.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 77.05% | 49.05% | +28.00% |
Dividends
KOS vs. FANG - Dividend Comparison
KOS has not paid dividends to shareholders, while FANG's dividend yield for the trailing twelve months is around 2.21%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
FANG Diamondback Energy, Inc. | 2.21% | 2.66% | 5.06% | 5.15% | 6.55% | 1.62% | 3.10% | 0.74% | 0.40% |
KOS Kosmos Energy Ltd. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 1.92% | 3.17% | 0.00% |
Financials
KOS vs. FANG - Financials Comparison
This section allows you to compare key financial metrics between Kosmos Energy Ltd. and Diamondback Energy, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
KOS vs. FANG - Profitability Comparison
KOS - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Kosmos Energy Ltd. reported a gross profit of 0.00 and revenue of 370.90M. Therefore, the gross margin over that period was 0.0%.
FANG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Diamondback Energy, Inc. reported a gross profit of 3.85B and revenue of 4.24B. Therefore, the gross margin over that period was 90.9%.
KOS - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Kosmos Energy Ltd. reported an operating income of 0.00 and revenue of 370.90M, resulting in an operating margin of 0.0%.
FANG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Diamondback Energy, Inc. reported an operating income of 30.00M and revenue of 4.24B, resulting in an operating margin of 0.7%.
KOS - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Kosmos Energy Ltd. reported a net income of -225.57M and revenue of 370.90M, resulting in a net margin of -60.8%.
FANG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Diamondback Energy, Inc. reported a net income of 144.00M and revenue of 4.24B, resulting in a net margin of 3.4%.
Frequently Asked Questions
KOS and FANG have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KOS has higher volatility (20.85%) compared to FANG (10.99%). In terms of maximum drawdown, KOS dropped -97.15% vs FANG's -88.72%.
FANG currently has the higher Sharpe Ratio (1.20 vs 0.17), 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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