ERNS.L vs. ROLG.L
ERNS.L (iShares £ Ultrashort Bond UCITS ETF GBP (Dist)) and ROLG.L (iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD) are both exchange-traded funds - ERNS.L is a Ultrashort Bond fund actively managed by iShares, while ROLG.L is a Commodities fund tracking the Bloomberg Roll Select Commodity. ERNS.L is actively managed, while ROLG.L is passively managed. Over the past 5 years, ERNS.L returned 3.62%/yr vs 14.55%/yr for ROLG.L. At a correlation of -0.02, they often move in opposite directions. ERNS.L charges 0.09%/yr vs 0.28%/yr for ROLG.L.
Performance
ERNS.L vs. ROLG.L - Performance Comparison
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Returns By Period
In the year-to-date period, ERNS.L achieves a 1.58% return, which is significantly lower than ROLG.L's 27.75% return.
ERNS.L
- 1D
- 0.06%
- 1M
- 0.45%
- YTD
- 1.58%
- 6M
- 1.96%
- 1Y
- 4.41%
- 3Y*
- 5.11%
- 5Y*
- 3.62%
- 10Y*
- 2.20%
ROLG.L
- 1D
- -1.64%
- 1M
- 0.30%
- YTD
- 27.75%
- 6M
- 26.97%
- 1Y
- 43.27%
- 3Y*
- 14.24%
- 5Y*
- 14.55%
- 10Y*
- —
ERNS.L vs. ROLG.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
ERNS.L iShares £ Ultrashort Bond UCITS ETF GBP (Dist) | 1.58% | 4.84% | 5.54% | 4.76% | 1.54% | 0.13% | 0.77% | 1.27% | 0.07% |
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% |
Correlation
The correlation between ERNS.L and ROLG.L is -0.13, 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 | -0.13 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.04 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.05 |
Correlation (All Time) Calculated using the full available price history since Oct 4, 2018 | -0.02 |
The correlation between ERNS.L and ROLG.L shifts across timeframes, from -0.13 (1 year) to -0.02 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
ERNS.L vs. ROLG.L — Risk / Return Rank
ERNS.L
ROLG.L
ERNS.L vs. ROLG.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares £ Ultrashort Bond UCITS ETF GBP (Dist) (ERNS.L) and iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD (ROLG.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.
| ERNS.L | ROLG.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.65 | ||
| Sortino ratioReturn per unit of downside risk | +6.22 | ||
| Omega ratioGain probability vs. loss probability | 2.39 | 1.47 | +0.93 |
| Calmar ratioReturn relative to maximum drawdown | 20.38 | 6.47 | +13.91 |
| Martin ratioReturn relative to average drawdown | 108.76 | 18.28 | +90.48 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ERNS.L | ROLG.L | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 5.30 | 2.65 | +2.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 4.34 | 0.82 | +3.52 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 2.38 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 2.23 | 0.59 | +1.64 |
Drawdowns
ERNS.L vs. ROLG.L - Drawdown Comparison
The maximum ERNS.L drawdown since its inception was -1.51%, smaller than the maximum ROLG.L drawdown of -22.66%. Use the drawdown chart below to compare losses from any high point for ERNS.L and ROLG.L.
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Drawdown Indicators
| ERNS.L | ROLG.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -1.51% | -22.66% | +21.15% |
Max Drawdown (1Y)Largest decline over 1 year | -0.22% | -6.81% | +6.59% |
Max Drawdown (3Y)Largest decline over 3 years | -0.22% | -13.27% | +13.05% |
Max Drawdown (5Y)Largest decline over 5 years | -0.36% | -19.85% | +19.49% |
Max Drawdown (10Y)Largest decline over 10 years | -1.51% | — | — |
Current DrawdownCurrent decline from peak | 0.00% | -4.56% | +4.56% |
Average DrawdownAverage peak-to-trough decline | -0.05% | -8.98% | +8.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.04% | 2.42% | -2.38% |
Volatility
ERNS.L vs. ROLG.L - Volatility Comparison
The current volatility for iShares £ Ultrashort Bond UCITS ETF GBP (Dist) (ERNS.L) is 0.36%, while iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD (ROLG.L) has a volatility of 5.90%. This indicates that ERNS.L experiences smaller price fluctuations and is considered to be less risky than ROLG.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ERNS.L | ROLG.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.36% | 5.90% | -5.54% |
Volatility (6M)Calculated over the trailing 6-month period | 0.68% | 13.98% | -13.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.84% | 16.69% | -15.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 0.83% | 17.69% | -16.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.92% | 16.98% | -16.06% |
ERNS.L vs. ROLG.L - Expense Ratio Comparison
ERNS.L has a 0.09% expense ratio, which is lower than ROLG.L's 0.28% expense ratio.
Dividends
ERNS.L vs. ROLG.L - Dividend Comparison
ERNS.L's dividend yield for the trailing twelve months is around 5.65%, while ROLG.L has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ERNS.L iShares £ Ultrashort Bond UCITS ETF GBP (Dist) | 5.65% | 4.65% | 5.42% | 4.54% | 1.14% | 0.28% | 0.75% | 1.04% | 0.74% | 0.52% | 0.81% | 0.72% |
ROLG.L iShares Bloomberg Roll Select Commodity Swap UCITS ETF USD | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
ERNS.L and ROLG.L have a correlation of -0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, ERNS.L is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.
ERNS.L is cheaper with a 0.09% expense ratio, compared with 0.28% for ROLG.L.
ERNS.L is categorized as Ultrashort Bond, while ROLG.L is Commodities. Their fees differ too: 0.09% for ERNS.L and 0.28% for ROLG.L.
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