COPJ vs. RIO

Last updated Apr 1, 2026

Compare and contrast key facts about Sprott Junior Copper Miners ETF (COPJ) and Rio Tinto Group (RIO).

COPJ is a passively managed fund by Sprott that tracks the performance of the Nasdaq Sprott Junior Copper Miners Index - Benchmark TR Net. It was launched on Feb 1, 2023.

Performance

COPJ vs. RIO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sprott Junior Copper Miners ETF (COPJ) and Rio Tinto Group (RIO). The values are adjusted to include any dividend payments, if applicable.

COPJ vs. RIO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
COPJ Sprott Junior Copper Miners ETF	-0.81%	140.63%	11.07%	-5.30%
RIO Rio Tinto Group	19.83%	44.47%	-15.36%	5.22%

Returns By Period

In the year-to-date period, COPJ achieves a -0.81% return, which is significantly lower than RIO's 19.83% return.

COPJ

• 1D: 8.82%
• 1M: -20.74%
• YTD: -0.81%
• 6M: 38.34%
• 1Y: 117.56%
• 3Y*: 37.35%
• 5Y*: —
• 10Y*: —

RIO

• 1D: 5.03%
• 1M: -3.46%
• YTD: 19.83%
• 6M: 45.28%
• 1Y: 63.49%
• 3Y*: 17.83%
• 5Y*: 11.59%
• 10Y*: 20.69%

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

Return for Risk

COPJ vs. RIO — Risk / Return Rank

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

COPJ

COPJ Risk / Return Rank: 95
COPJ Sharpe Ratio Rank: 97
COPJ Sortino Ratio Rank: 95
COPJ Omega Ratio Rank: 94
COPJ Calmar Ratio Rank: 94
COPJ Martin Ratio Rank: 93

RIO

RIO Risk / Return Rank: 91
RIO Sharpe Ratio Rank: 93
RIO Sortino Ratio Rank: 90
RIO Omega Ratio Rank: 89
RIO Calmar Ratio Rank: 91
RIO Martin Ratio Rank: 93

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.

COPJ vs. RIO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sprott Junior Copper Miners ETF (COPJ) and Rio Tinto Group (RIO). 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.

	COPJ	RIO	Difference
Sharpe ratio Return per unit of total volatility	2.84	2.27	+0.57
Sortino ratio Return per unit of downside risk	3.05	2.85	+0.20
Omega ratio Gain probability vs. loss probability	1.44	1.38	+0.06
Calmar ratio Return relative to maximum drawdown	3.55	4.01	-0.46
Martin ratio Return relative to average drawdown	13.23	13.33	-0.09
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COPJ vs. RIO - Sharpe Ratio Comparison

The current COPJ Sharpe Ratio is 2.84, which is comparable to the RIO Sharpe Ratio of 2.27. The chart below compares the historical Sharpe Ratios of COPJ and RIO, 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

	COPJ	RIO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.84	2.27	+0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.40	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.67	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.01	0.32	+0.68

Correlation

The correlation between COPJ and RIO is 0.63, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

COPJ vs. RIO - Dividend Comparison

COPJ's dividend yield for the trailing twelve months is around 11.67%, more than RIO's 4.31% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPJ Sprott Junior Copper Miners ETF	11.67%	11.57%	11.64%	2.48%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RIO Rio Tinto Group	4.31%	4.66%	7.40%	5.40%	10.48%	10.23%	5.13%	7.68%	6.32%	4.47%	3.93%	7.58%

Drawdowns

COPJ vs. RIO - Drawdown Comparison

The maximum COPJ drawdown since its inception was -32.28%, smaller than the maximum RIO drawdown of -88.97%. Use the drawdown chart below to compare losses from any high point for COPJ and RIO.

Drawdown Indicators

	COPJ	RIO	Difference
Max Drawdown Largest peak-to-trough decline	-32.28%	-88.97%	+56.69%
Max Drawdown (1Y) Largest decline over 1 year	-32.28%	-15.19%	-17.09%
Max Drawdown (5Y) Largest decline over 5 years	—	-36.97%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-37.47%	—
Current Drawdown Current decline from peak	-24.18%	-4.84%	-19.34%
Average Drawdown Average peak-to-trough decline	-11.58%	-23.88%	+12.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.66%	4.57%	+4.09%

Volatility

COPJ vs. RIO - Volatility Comparison

Sprott Junior Copper Miners ETF (COPJ) has a higher volatility of 18.58% compared to Rio Tinto Group (RIO) at 11.08%. This indicates that COPJ's price experiences larger fluctuations and is considered to be riskier than RIO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COPJ	RIO	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.58%	11.08%	+7.50%
Volatility (6M) Calculated over the trailing 6-month period	34.54%	20.84%	+13.70%
Volatility (1Y) Calculated over the trailing 1-year period	41.70%	28.18%	+13.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.88%	29.06%	+4.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.88%	30.93%	+2.95%