ION vs. COPP

Last updated Apr 1, 2026

Compare and contrast key facts about Proshares S&P Global Core Battery Metals ETF (ION) and Sprott Copper Miners ETF (COPP).

ION and COPP are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ION is a passively managed fund by ProShares that tracks the performance of the S&P Global Core Battery Metals Index - Benchmark TR Net. It was launched on Nov 29, 2022. COPP is a passively managed fund by Sprott that tracks the performance of the Nasdaq Sprott Copper Miners Index - Benchmark TR Net. It was launched on Mar 4, 2024. Both ION and COPP are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

ION vs. COPP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Proshares S&P Global Core Battery Metals ETF (ION) and Sprott Copper Miners ETF (COPP). The values are adjusted to include any dividend payments, if applicable.

ION vs. COPP - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ION Proshares S&P Global Core Battery Metals ETF	9.49%	108.37%	-12.42%
COPP Sprott Copper Miners ETF	2.61%	74.02%	4.18%

Returns By Period

In the year-to-date period, ION achieves a 9.49% return, which is significantly higher than COPP's 2.61% return.

ION

• 1D: 2.98%
• 1M: -12.58%
• YTD: 9.49%
• 6M: 46.23%
• 1Y: 124.76%
• 3Y*: 16.44%
• 5Y*: —
• 10Y*: —

COPP

• 1D: 9.20%
• 1M: -18.73%
• YTD: 2.61%
• 6M: 29.46%
• 1Y: 86.02%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ION vs. COPP - Expense Ratio Comparison

ION has a 0.58% expense ratio, which is lower than COPP's 0.65% expense ratio.

COPP

Sprott Copper Miners ETF

ION

Proshares S&P Global Core Battery Metals ETF

Return for Risk

ION vs. COPP — Risk / Return Rank

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

ION

ION Risk / Return Rank: 97
ION Sharpe Ratio Rank: 98
ION Sortino Ratio Rank: 97
ION Omega Ratio Rank: 95
ION Calmar Ratio Rank: 97
ION Martin Ratio Rank: 97

COPP

COPP Risk / Return Rank: 88
COPP Sharpe Ratio Rank: 90
COPP Sortino Ratio Rank: 88
COPP Omega Ratio Rank: 85
COPP Calmar Ratio Rank: 89
COPP Martin Ratio Rank: 90

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.

ION vs. COPP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Proshares S&P Global Core Battery Metals ETF (ION) and Sprott Copper Miners ETF (COPP). 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.

	ION	COPP	Difference
Sharpe ratio Return per unit of total volatility	3.21	1.93	+1.29
Sortino ratio Return per unit of downside risk	3.47	2.39	+1.08
Omega ratio Gain probability vs. loss probability	1.47	1.32	+0.15
Calmar ratio Return relative to maximum drawdown	5.26	2.82	+2.45
Martin ratio Return relative to average drawdown	20.19	10.92	+9.27
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ION vs. COPP - Sharpe Ratio Comparison

The current ION Sharpe Ratio is 3.21, which is higher than the COPP Sharpe Ratio of 1.93. The chart below compares the historical Sharpe Ratios of ION and COPP, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ION	COPP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.21	1.93	+1.29
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.88	-0.51

Correlation

The correlation between ION and COPP is 0.70, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

ION vs. COPP - Dividend Comparison

ION's dividend yield for the trailing twelve months is around 1.46%, less than COPP's 2.31% yield.

	TTM	2025	2024	2023	2022
ION Proshares S&P Global Core Battery Metals ETF	1.46%	1.63%	1.74%	2.23%	0.13%
COPP Sprott Copper Miners ETF	2.31%	2.37%	2.59%	0.00%	0.00%

Drawdowns

ION vs. COPP - Drawdown Comparison

The maximum ION drawdown since its inception was -52.08%, which is greater than COPP's maximum drawdown of -44.37%. Use the drawdown chart below to compare losses from any high point for ION and COPP.

Drawdown Indicators

	ION	COPP	Difference
Max Drawdown Largest peak-to-trough decline	-52.08%	-44.37%	-7.71%
Max Drawdown (1Y) Largest decline over 1 year	-23.30%	-28.91%	+5.61%
Current Drawdown Current decline from peak	-13.04%	-19.51%	+6.47%
Average Drawdown Average peak-to-trough decline	-24.61%	-14.33%	-10.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.07%	7.45%	-1.38%

Volatility

ION vs. COPP - Volatility Comparison

The current volatility for Proshares S&P Global Core Battery Metals ETF (ION) is 15.13%, while Sprott Copper Miners ETF (COPP) has a volatility of 19.84%. This indicates that ION experiences smaller price fluctuations and is considered to be less risky than COPP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ION	COPP	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.13%	19.84%	-4.71%
Volatility (6M) Calculated over the trailing 6-month period	30.44%	34.18%	-3.74%
Volatility (1Y) Calculated over the trailing 1-year period	39.07%	44.97%	-5.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.74%	40.03%	-9.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.74%	40.03%	-9.29%