REGB.L vs. ERNS.L
REGB.L (VanEck Rare Earth and Strategic Metals UCITS ETF A) and ERNS.L (iShares £ Ultrashort Bond UCITS ETF GBP (Dist)) are both exchange-traded funds - REGB.L is a Rare Earth & Strategic Metals fund tracking the EMIX Global Mining Global Gold TR USD, while ERNS.L is a Ultrashort Bond fund tracking the Markit iBoxx GBP Liquid Investment Grade Ultrashort Index. Both are passively managed. Over the past 3 years, REGB.L returned -3.16%/yr vs 5.01%/yr for ERNS.L. At a 0.04 correlation, their price movements are largely independent. REGB.L charges 0.59%/yr vs 0.09%/yr for ERNS.L.
Performance
REGB.L vs. ERNS.L - Performance Comparison
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Returns By Period
In the year-to-date period, REGB.L achieves a 7.20% return, which is significantly higher than ERNS.L's 1.98% return.
REGB.L
- 1D
- 0.00%
- 1M
- -18.93%
- 6M
- -12.75%
- YTD
- 7.20%
- 1Y
- 68.04%
- 3Y*
- -3.16%
- 5Y*
- —
- 10Y*
- —
ERNS.L
- 1D
- 0.04%
- 1M
- 0.27%
- 6M
- 1.99%
- YTD
- 1.98%
- 1Y
- 4.24%
- 3Y*
- 5.01%
- 5Y*
- 3.71%
- 10Y*
- 2.22%
REGB.L vs. ERNS.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
REGB.L VanEck Rare Earth and Strategic Metals UCITS ETF A | 7.20% | 75.67% | -34.55% | -22.78% | -22.89% | -20.32% |
ERNS.L iShares £ Ultrashort Bond UCITS ETF GBP (Dist) | 1.98% | 4.84% | 5.55% | 4.76% | 1.53% | -0.10% |
Correlation
The correlation between REGB.L and ERNS.L is 0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.07 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.02 |
Correlation (All Time) Calculated using the full available price history since Sep 24, 2021 | 0.04 |
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Return for Risk
REGB.L vs. ERNS.L — Risk / Return Rank
REGB.L
ERNS.L
REGB.L vs. ERNS.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Rare Earth and Strategic Metals UCITS ETF A (REGB.L) and iShares £ Ultrashort Bond UCITS ETF GBP (Dist) (ERNS.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.
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.
| REGB.L | ERNS.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.85 | ||
| Sortino ratioReturn per unit of downside risk | -7.81 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 2.40 | -1.16 |
| Calmar ratioReturn relative to maximum drawdown | 2.38 | 19.43 | -17.04 |
| Martin ratioReturn relative to average drawdown | 6.72 | 108.42 | -101.70 |
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Drawdowns
REGB.L vs. ERNS.L - Drawdown Comparison
The maximum REGB.L drawdown since its inception was -74.24%, which is greater than ERNS.L's maximum drawdown of -1.51%. Use the drawdown chart below to compare losses from any high point for REGB.L and ERNS.L.
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Drawdown Indicators
| REGB.L | ERNS.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -74.24% | -1.51% | -72.73% |
Max Drawdown (1Y)Largest decline over 1 year | -28.69% | -0.22% | -28.47% |
Max Drawdown (3Y)Largest decline over 3 years | -59.98% | -0.22% | -59.76% |
Max Drawdown (5Y)Largest decline over 5 years | — | -0.36% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -1.51% | — |
Current DrawdownCurrent decline from peak | -41.52% | -0.03% | -41.49% |
Average DrawdownAverage peak-to-trough decline | -44.79% | -0.05% | -44.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.16% | 0.04% | +10.12% |
Volatility
REGB.L vs. ERNS.L - Volatility Comparison
VanEck Rare Earth and Strategic Metals UCITS ETF A (REGB.L) has a higher volatility of 10.93% compared to iShares £ Ultrashort Bond UCITS ETF GBP (Dist) (ERNS.L) at 0.19%. This indicates that REGB.L's price experiences larger fluctuations and is considered to be riskier than ERNS.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| REGB.L | ERNS.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.93% | 0.19% | +10.74% |
Volatility (6M)Calculated over the trailing 6-month period | 32.91% | 0.65% | +32.26% |
Volatility (1Y)Calculated over the trailing 1-year period | 45.93% | 0.79% | +45.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 46.32% | 0.82% | +45.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 46.32% | 0.92% | +45.40% |
REGB.L vs. ERNS.L - Expense Ratio Comparison
REGB.L has a 0.59% expense ratio, which is higher than ERNS.L's 0.09% expense ratio.
Dividends
REGB.L vs. ERNS.L - Dividend Comparison
REGB.L has not paid dividends to shareholders, while ERNS.L's dividend yield for the trailing twelve months is around 4.28%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ERNS.L iShares £ Ultrashort Bond UCITS ETF GBP (Dist) | 4.28% | 4.65% | 5.42% | 4.54% | 1.14% | 0.28% | 0.75% | 1.04% | 0.74% | 0.52% | 0.81% | 0.72% |
REGB.L VanEck Rare Earth and Strategic Metals UCITS ETF A | 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
REGB.L and ERNS.L have a correlation of 0.07, 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 0.59% for REGB.L.
REGB.L is categorized as Rare Earth & Strategic Metals, while ERNS.L is Ultrashort Bond. REGB.L tracks EMIX Global Mining Global Gold TR USD, while ERNS.L tracks Markit iBoxx GBP Liquid Investment Grade Ultrashort Index. They also come from different issuers: VanEck and iShares. Their fees differ too: 0.59% for REGB.L and 0.09% for ERNS.L.
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