BOIL vs. SCO
BOIL (ProShares Ultra Bloomberg Natural Gas) and SCO (ProShares UltraShort Bloomberg Crude Oil) are both Oil & Gas funds from ProShares - BOIL tracks the Bloomberg Natural Gas Subindex while SCO tracks the Bloomberg Commodity Balanced WTI Crude Oil Index (-200%). Both are passively managed. Over the past 10 years, BOIL returned -57.64%/yr vs -37.19%/yr for SCO. At a correlation of -0.12, they often move in opposite directions. BOIL charges 1.31%/yr vs 0.95%/yr for SCO.
Performance
BOIL vs. SCO - Performance Comparison
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Returns By Period
In the year-to-date period, BOIL achieves a -38.08% return, which is significantly higher than SCO's -58.29% return. Over the past 10 years, BOIL has underperformed SCO with an annualized return of -57.64%, while SCO has yielded a comparatively higher -37.19% annualized return.
BOIL
- 1D
- 0.18%
- 1M
- 11.30%
- YTD
- -38.08%
- 6M
- -35.19%
- 1Y
- -76.58%
- 3Y*
- -65.93%
- 5Y*
- -65.65%
- 10Y*
- -57.64%
SCO
- 1D
- 2.76%
- 1M
- 28.62%
- YTD
- -58.29%
- 6M
- -57.59%
- 1Y
- -44.99%
- 3Y*
- -32.52%
- 5Y*
- -38.26%
- 10Y*
- -37.19%
BOIL vs. SCO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BOIL ProShares Ultra Bloomberg Natural Gas | -38.08% | -58.98% | -60.75% | -92.00% | -31.85% | 23.84% | -74.74% | -67.70% | -20.55% | -65.72% |
SCO ProShares UltraShort Bloomberg Crude Oil | -58.29% | 15.90% | -19.00% | -12.41% | -62.59% | -72.62% | -4.20% | -58.50% | 19.22% | -22.40% |
Correlation
The correlation between BOIL and SCO is -0.22, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.22 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.14 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.13 |
Correlation (All Time) Calculated using the full available price history since Oct 6, 2011 | -0.12 |
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Return for Risk
BOIL vs. SCO — Risk / Return Rank
BOIL
SCO
BOIL vs. SCO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Bloomberg Natural Gas (BOIL) and ProShares UltraShort Bloomberg Crude Oil (SCO). 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.
| BOIL | SCO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.11 | ||
| Sortino ratioReturn per unit of downside risk | +0.19 | ||
| Omega ratioGain probability vs. loss probability | 0.89 | 0.88 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.98 | -0.62 | -0.36 |
| Martin ratioReturn relative to average drawdown | -1.35 | -1.22 | -0.13 |
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Drawdowns
BOIL vs. SCO - Drawdown Comparison
The maximum BOIL drawdown since its inception was -100.00%, roughly equal to the maximum SCO drawdown of -99.80%. Use the drawdown chart below to compare losses from any high point for BOIL and SCO.
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Drawdown Indicators
| BOIL | SCO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -100.00% | -99.80% | -0.20% |
Max Drawdown (1Y)Largest decline over 1 year | -78.06% | -72.24% | -5.82% |
Max Drawdown (3Y)Largest decline over 3 years | -96.86% | -78.76% | -18.10% |
Max Drawdown (5Y)Largest decline over 5 years | -99.91% | -94.80% | -5.11% |
Max Drawdown (10Y)Largest decline over 10 years | -99.99% | -99.51% | -0.48% |
Current DrawdownCurrent decline from peak | -100.00% | -99.72% | -0.28% |
Average DrawdownAverage peak-to-trough decline | -93.58% | -85.19% | -8.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 59.95% | 36.81% | +23.14% |
Volatility
BOIL vs. SCO - Volatility Comparison
ProShares Ultra Bloomberg Natural Gas (BOIL) has a higher volatility of 23.27% compared to ProShares UltraShort Bloomberg Crude Oil (SCO) at 15.97%. This indicates that BOIL's price experiences larger fluctuations and is considered to be riskier than SCO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BOIL | SCO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 23.27% | 15.97% | +7.30% |
Volatility (6M)Calculated over the trailing 6-month period | 104.92% | 47.16% | +57.76% |
Volatility (1Y)Calculated over the trailing 1-year period | 113.57% | 57.21% | +56.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 118.96% | 60.04% | +58.92% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 101.84% | 71.95% | +29.89% |
BOIL vs. SCO - Expense Ratio Comparison
BOIL has a 1.31% expense ratio, which is higher than SCO's 0.95% expense ratio.
Dividends
BOIL vs. SCO - Dividend Comparison
Neither BOIL nor SCO has paid dividends to shareholders.
Frequently Asked Questions
BOIL and SCO have a correlation of -0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BOIL has higher volatility (23.27%) compared to SCO (15.97%). In terms of maximum drawdown, BOIL dropped -100.00% vs SCO's -99.80%.
On 10-year performance, SCO leads with -37.19% vs -57.64% for BOIL. On fees, SCO is cheaper at 0.95% per year. On volatility, SCO has been the lower-risk option at 15.97%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SCO has performed better with a -37.19% return vs -57.64%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SCO is cheaper with a 0.95% expense ratio, compared with 1.31% for BOIL.
BOIL and SCO have nearly identical dividend yields, around 0.00%.
BOIL tracks Bloomberg Natural Gas Subindex, while SCO tracks Bloomberg Commodity Balanced WTI Crude Oil Index (-200%). Their fees differ too: 1.31% for BOIL and 0.95% for SCO.
BOIL currently has the higher Sharpe Ratio (-0.68 vs -0.79), 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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