ROLG.L vs. COMM.L
ROLG.L (iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD) and COMM.L (iShares Diversified Commodity Swap UCITS ETF) are both Commodities funds from iShares - ROLG.L tracks the Bloomberg Roll Select Commodity while COMM.L tracks the Bloomberg Commodity. Both are passively managed. Over the past 5 years, ROLG.L returned 14.55%/yr vs 12.23%/yr for COMM.L. Their correlation of 0.90 suggests significant overlap in exposure. ROLG.L charges 0.28%/yr vs 0.19%/yr for COMM.L.
Performance
ROLG.L vs. COMM.L - Performance Comparison
Loading charts...
Different Trading Currencies
ROLG.L is traded in GBP, while COMM.L is traded in GBp. To make them comparable, the COMM.L values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, ROLG.L achieves a 27.75% return, which is significantly higher than COMM.L's 24.65% return.
ROLG.L
- 1D
- -1.64%
- 1M
- -1.90%
- YTD
- 27.75%
- 6M
- 27.51%
- 1Y
- 44.31%
- 3Y*
- 14.24%
- 5Y*
- 14.55%
- 10Y*
- —
COMM.L
- 1D
- -1.46%
- 1M
- -2.81%
- YTD
- 24.65%
- 6M
- 23.36%
- 1Y
- 38.99%
- 3Y*
- 12.58%
- 5Y*
- 12.23%
- 10Y*
- —
ROLG.L vs. COMM.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
ROLG.L iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD | 27.75% | 8.64% | 6.25% | -7.36% | 30.51% | 29.23% | -2.41% | 1.84% | -9.45% |
COMM.L iShares Diversified Commodity Swap UCITS ETF | 24.65% | 8.53% | 6.19% | -12.55% | 28.34% | 29.04% | -7.09% | 2.79% | -8.67% |
Correlation
The correlation between ROLG.L and COMM.L is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.94 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2018 | 0.90 |
The correlation between ROLG.L and COMM.L has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.
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
ROLG.L vs. COMM.L — Risk / Return Rank
ROLG.L
COMM.L
ROLG.L vs. COMM.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD (ROLG.L) and iShares Diversified Commodity Swap UCITS ETF (COMM.L). 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.
| ROLG.L | COMM.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.56 | ||
| Sortino ratioReturn per unit of downside risk | +0.72 | ||
| Omega ratioGain probability vs. loss probability | 1.47 | 1.38 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 6.47 | 5.18 | +1.29 |
| Martin ratioReturn relative to average drawdown | 18.28 | 11.78 | +6.50 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| ROLG.L | COMM.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.65 | 2.09 | +0.56 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.82 | 0.74 | +0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.51 | +0.08 |
Drawdowns
ROLG.L vs. COMM.L - Drawdown Comparison
The maximum ROLG.L drawdown since its inception was -22.66%, smaller than the maximum COMM.L drawdown of -28.49%. Use the drawdown chart below to compare losses from any high point for ROLG.L and COMM.L.
Loading charts...
Drawdown Indicators
| ROLG.L | COMM.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.66% | -28.49% | +5.83% |
Max Drawdown (1Y)Largest decline over 1 year | -6.81% | -7.49% | +0.68% |
Max Drawdown (3Y)Largest decline over 3 years | -13.27% | -14.73% | +1.46% |
Max Drawdown (5Y)Largest decline over 5 years | -19.85% | -28.49% | +8.64% |
Current DrawdownCurrent decline from peak | -4.56% | -5.17% | +0.61% |
Average DrawdownAverage peak-to-trough decline | -8.98% | -12.15% | +3.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.42% | 3.30% | -0.88% |
Volatility
ROLG.L vs. COMM.L - Volatility Comparison
iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD (ROLG.L) and iShares Diversified Commodity Swap UCITS ETF (COMM.L) have volatilities of 5.90% and 6.19%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| ROLG.L | COMM.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.90% | 6.19% | -0.29% |
Volatility (6M)Calculated over the trailing 6-month period | 13.98% | 16.45% | -2.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.69% | 18.59% | -1.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.69% | 16.51% | +1.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.98% | 15.38% | +1.60% |
ROLG.L vs. COMM.L - Expense Ratio Comparison
ROLG.L has a 0.28% expense ratio, which is higher than COMM.L's 0.19% expense ratio.
Dividends
ROLG.L vs. COMM.L - Dividend Comparison
Neither ROLG.L nor COMM.L has paid dividends to shareholders.
Frequently Asked Questions
With a correlation of 0.94, ROLG.L and COMM.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
On fees, COMM.L is cheaper at 0.19% per year. The better choice depends on whether you care most about return, fees, risk, or income.
COMM.L is cheaper with a 0.19% expense ratio, compared with 0.28% for ROLG.L.
ROLG.L tracks Bloomberg Roll Select Commodity, while COMM.L tracks Bloomberg Commodity. Their fees differ too: 0.28% for ROLG.L and 0.19% for COMM.L.
Find the right allocation for ROLG.L and COMM.L
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