BOIL vs. RYLG
BOIL (ProShares Ultra Bloomberg Natural Gas) and RYLG (Global X Russell 2000 Covered Call & Growth ETF) are both exchange-traded funds - BOIL is a Oil & Gas fund tracking the Bloomberg Natural Gas Subindex, while RYLG is a Derivative Income fund tracking the Cboe Russell 2000 Half BuyWrite Index. Both are passively managed. Over the past 3 years, BOIL returned -66.23%/yr vs 12.21%/yr for RYLG. At a 0.00 correlation, their price movements are largely independent. BOIL charges 1.31%/yr vs 0.35%/yr for RYLG.
Performance
BOIL vs. RYLG - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BOIL achieves a -51.97% return, which is significantly lower than RYLG's 15.89% return.
BOIL
- 1D
- -2.65%
- 1M
- -22.34%
- 6M
- -31.80%
- YTD
- -51.97%
- 1Y
- -77.53%
- 3Y*
- -66.23%
- 5Y*
- -68.58%
- 10Y*
- -58.64%
RYLG
- 1D
- -0.02%
- 1M
- 1.90%
- 6M
- 10.19%
- YTD
- 15.89%
- 1Y
- 27.53%
- 3Y*
- 12.21%
- 5Y*
- —
- 10Y*
- —
BOIL vs. RYLG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
BOIL ProShares Ultra Bloomberg Natural Gas | -51.97% | -58.98% | -60.75% | -92.00% | -66.93% |
RYLG Global X Russell 2000 Covered Call & Growth ETF | 15.89% | 9.39% | 10.57% | 8.33% | -2.32% |
Correlation
The correlation between BOIL and RYLG is -0.27, 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 | -0.27 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.07 |
Correlation (All Time) Calculated using the full available price history since Oct 5, 2022 | 0.00 |
The correlation between BOIL and RYLG shifts across timeframes, from -0.27 (1 year) to 0.00 (all time), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BOIL vs. RYLG — Risk / Return Rank
BOIL
RYLG
BOIL vs. RYLG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Bloomberg Natural Gas (BOIL) and Global X Russell 2000 Covered Call & Growth ETF (RYLG). 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 | RYLG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.55 | ||
| Sortino ratioReturn per unit of downside risk | -3.61 | ||
| Omega ratioGain probability vs. loss probability | 0.87 | 1.33 | -0.46 |
| Calmar ratioReturn relative to maximum drawdown | -1.00 | 3.38 | -4.38 |
| Martin ratioReturn relative to average drawdown | -1.40 | 12.99 | -14.38 |
Loading charts...
Drawdowns
BOIL vs. RYLG - Drawdown Comparison
The maximum BOIL drawdown since its inception was -100.00%, which is greater than RYLG's maximum drawdown of -22.37%. Use the drawdown chart below to compare losses from any high point for BOIL and RYLG.
Loading charts...
Drawdown Indicators
| BOIL | RYLG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -100.00% | -22.37% | -77.63% |
Max Drawdown (1Y)Largest decline over 1 year | -77.83% | -8.18% | -69.65% |
Max Drawdown (3Y)Largest decline over 3 years | -97.17% | -22.37% | -74.80% |
Max Drawdown (5Y)Largest decline over 5 years | -99.92% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -99.99% | — | — |
Current DrawdownCurrent decline from peak | -100.00% | -0.33% | -99.67% |
Average DrawdownAverage peak-to-trough decline | -93.61% | -4.03% | -89.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 55.55% | 2.13% | +53.42% |
Volatility
BOIL vs. RYLG - Volatility Comparison
ProShares Ultra Bloomberg Natural Gas (BOIL) has a higher volatility of 19.67% compared to Global X Russell 2000 Covered Call & Growth ETF (RYLG) at 2.51%. This indicates that BOIL's price experiences larger fluctuations and is considered to be riskier than RYLG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BOIL | RYLG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.67% | 2.51% | +17.16% |
Volatility (6M)Calculated over the trailing 6-month period | 100.26% | 10.96% | +89.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 111.81% | 14.89% | +96.92% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 119.02% | 17.03% | +101.99% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 101.73% | 17.03% | +84.70% |
BOIL vs. RYLG - Expense Ratio Comparison
BOIL has a 1.31% expense ratio, which is higher than RYLG's 0.35% expense ratio.
Dividends
BOIL vs. RYLG - Dividend Comparison
BOIL has not paid dividends to shareholders, while RYLG's dividend yield for the trailing twelve months is around 10.17%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
BOIL ProShares Ultra Bloomberg Natural Gas | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
RYLG Global X Russell 2000 Covered Call & Growth ETF | 10.17% | 10.82% | 23.73% | 5.78% | 4.36% |
Frequently Asked Questions
BOIL and RYLG have a correlation of -0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BOIL has higher volatility (19.67%) compared to RYLG (2.51%). In terms of maximum drawdown, BOIL dropped -100.00% vs RYLG's -22.37%.
On 3-year performance, RYLG leads with 12.21% vs -66.23% for BOIL. On fees, RYLG is cheaper at 0.35% per year. On volatility, RYLG has been the lower-risk option at 2.51%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, RYLG has performed better with a 12.21% return vs -66.23%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RYLG is cheaper with a 0.35% expense ratio, compared with 1.31% for BOIL.
RYLG has the higher dividend yield at 10.17%, compared with 0.00% for BOIL.
BOIL is categorized as Oil & Gas, while RYLG is Derivative Income. BOIL tracks Bloomberg Natural Gas Subindex, while RYLG tracks Cboe Russell 2000 Half BuyWrite Index. They also come from different issuers: ProShares and Global X. Their fees differ too: 1.31% for BOIL and 0.35% for RYLG.
RYLG currently has the higher Sharpe Ratio (1.86 vs -0.69), 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.
Find the right allocation for BOIL and RYLG
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer