REGB.L vs. ION

Last updated Jul 1, 2026

REGB.L (VanEck Rare Earth and Strategic Metals UCITS ETF A) and ION (Proshares S&P Global Core Battery Metals ETF) are both exchange-traded funds - REGB.L is a Rare Earth & Strategic Metals fund tracking the EMIX Global Mining Global Gold TR USD, while ION is a Lithium & Battery Metals fund tracking the S&P Global Core Battery Metals Index - Benchmark TR Net. Both are passively managed. Over the past 3 years, REGB.L returned 0.07%/yr vs 11.52%/yr for ION. A 0.70 correlation means they provide meaningful diversification when combined. REGB.L charges 0.59%/yr vs 0.58%/yr for ION.

Performance

REGB.L vs. ION - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in VanEck Rare Earth and Strategic Metals UCITS ETF A (REGB.L) and Proshares S&P Global Core Battery Metals ETF (ION). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

REGB.L is traded in GBP, while ION is traded in USD. To make them comparable, the ION values have been converted to GBP using the latest available exchange rates.

Returns By Period

In the year-to-date period, REGB.L achieves a 16.69% return, which is significantly higher than ION's 0.54% return.

REGB.L

• 1D: 0.00%
• 1M: -15.09%
• YTD: 16.69%
• 6M: 15.50%
• 1Y: 118.12%
• 3Y*: 0.07%
• 5Y*: —
• 10Y*: —

ION

• 1D: 2.00%
• 1M: -13.95%
• YTD: 0.54%
• 6M: 0.33%
• 1Y: 84.73%
• 3Y*: 11.52%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

REGB.L vs. ION - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
REGB.L VanEck Rare Earth and Strategic Metals UCITS ETF A	16.69%	75.67%	-34.55%	-22.78%	-15.67%
ION Proshares S&P Global Core Battery Metals ETF	0.54%	93.52%	-18.63%	-18.39%	-7.25%

Correlation

The correlation between REGB.L and ION is 0.81, 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	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.71
Correlation (All Time) Calculated using the full available price history since Dec 1, 2022	0.70

The correlation between REGB.L and ION shifts across timeframes, from 0.70 (all time) to 0.81 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

REGB.L vs. ION — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

REGB.L

REGB.L Risk / Return Rank: 83
REGB.L Sharpe Ratio Rank: 90
REGB.L Sortino Ratio Rank: 80
REGB.L Omega Ratio Rank: 72
REGB.L Calmar Ratio Rank: 93
REGB.L Martin Ratio Rank: 81

ION

ION Risk / Return Rank: 64
ION Sharpe Ratio Rank: 73
ION Sortino Ratio Rank: 60
ION Omega Ratio Rank: 58
ION Calmar Ratio Rank: 69
ION Martin Ratio Rank: 60

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

REGB.L vs. ION - 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 Proshares S&P Global Core Battery Metals ETF (ION). 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	ION	Difference
Sharpe ratio: Return per unit of total volatility	2.56	2.25	+0.32
Sortino ratio: Return per unit of downside risk	3.03	2.68	+0.35
Omega ratio: Gain probability vs. loss probability	1.36	1.34	+0.02
Calmar ratio: Return relative to maximum drawdown	5.67	3.41	+2.27
Martin ratio: Return relative to average drawdown	13.51	10.83	+2.68

REGB.L vs. ION - Sharpe Ratio Comparison

The current REGB.L Sharpe Ratio is 2.56, which is comparable to the ION Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of REGB.L and ION, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

REGB.L vs. ION - Drawdown Comparison

The maximum REGB.L drawdown since its inception was -74.24%, which is greater than ION's maximum drawdown of -53.57%. Use the drawdown chart below to compare losses from any high point for REGB.L and ION.

Drawdown Indicators

	REGB.L	ION	Difference
Max Drawdown Largest peak-to-trough decline	-74.24%	-53.57%	-20.67%
Max Drawdown (1Y) Largest decline over 1 year	-20.93%	-25.00%	+4.07%
Max Drawdown (3Y) Largest decline over 3 years	-60.57%	-44.96%	-15.61%
Current Drawdown Current decline from peak	-36.34%	-23.49%	-12.85%
Average Drawdown Average peak-to-trough decline	-44.84%	-25.24%	-19.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.78%	7.85%	+0.93%

Volatility

REGB.L vs. ION - Volatility Comparison

VanEck Rare Earth and Strategic Metals UCITS ETF A (REGB.L) and Proshares S&P Global Core Battery Metals ETF (ION) have volatilities of 13.32% and 13.07%, 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.

Volatility by Period

	REGB.L	ION	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.32%	13.07%	+0.25%
Volatility (6M) Calculated over the trailing 6-month period	33.12%	30.04%	+3.08%
Volatility (1Y) Calculated over the trailing 1-year period	46.36%	37.94%	+8.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.34%	29.65%	+16.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.34%	29.65%	+16.69%

REGB.L vs. ION - Expense Ratio Comparison

REGB.L has a 0.59% expense ratio, which is higher than ION's 0.58% expense ratio.

Dividends

REGB.L vs. ION - Dividend Comparison

REGB.L has not paid dividends to shareholders, while ION's dividend yield for the trailing twelve months is around 1.50%.

Position	TTM	2025	2024	2023	2022
ION Proshares S&P Global Core Battery Metals ETF	1.50%	1.63%	1.74%	2.23%	0.13%
REGB.L VanEck Rare Earth and Strategic Metals UCITS ETF A	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both REGB.L and ION in my portfolio?

REGB.L and ION have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, REGB.L or ION?

On fees, ION is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, REGB.L or ION?

ION is cheaper with a 0.58% expense ratio, compared with 0.59% for REGB.L.

What is the main difference between REGB.L and ION?

REGB.L is categorized as Rare Earth & Strategic Metals, while ION is Lithium & Battery Metals. REGB.L tracks EMIX Global Mining Global Gold TR USD, while ION tracks S&P Global Core Battery Metals Index - Benchmark TR Net. They also come from different issuers: VanEck and ProShares. Their fees differ too: 0.59% for REGB.L and 0.58% for ION.