SILJ vs. COPJ

Last updated Jul 1, 2026

SILJ (Amplify Junior Silver Miners ETF) and COPJ (Sprott Junior Copper Miners ETF) are both exchange-traded funds - SILJ is a Silver fund tracking the Nasdaq Junior Silver Miners Index, while COPJ is a Copper fund tracking the Nasdaq Sprott Junior Copper Miners Index. Both are passively managed. Over the past 3 years, SILJ returned 44.49%/yr vs 38.25%/yr for COPJ. A 0.67 correlation means they provide meaningful diversification when combined. SILJ charges 0.69%/yr vs 0.78%/yr for COPJ.

Performance

SILJ vs. COPJ - Performance Comparison

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

Returns By Period

In the year-to-date period, SILJ achieves a -6.32% return, which is significantly lower than COPJ's 0.79% return.

SILJ

• 1D: 0.50%
• 1M: -16.14%
• YTD: -6.32%
• 6M: -7.86%
• 1Y: 78.43%
• 3Y*: 44.49%
• 5Y*: 13.48%
• 10Y*: 6.55%

COPJ

• 1D: 2.38%
• 1M: -11.17%
• YTD: 0.79%
• 6M: -0.15%
• 1Y: 82.49%
• 3Y*: 38.25%
• 5Y*: —
• 10Y*: —

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

SILJ vs. COPJ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SILJ Amplify Junior Silver Miners ETF	-6.32%	183.89%	6.39%	-12.66%
COPJ Sprott Junior Copper Miners ETF	0.79%	140.63%	11.07%	-6.47%

Correlation

The correlation between SILJ and COPJ is 0.70, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.70
Correlation (3Y) Calculated over the trailing 3-year period	0.67
Correlation (All Time) Calculated using the full available price history since Feb 2, 2023	0.67

The correlation between SILJ and COPJ has been stable across timeframes, ranging from 0.67 to 0.70 - a consistent structural relationship.

SILJ vs. COPJ - Sectors Allocation Comparison

Sectors	SILJ	COPJ
Basic Materials	99.8%	100.0%
Financial Services	0.3%	-
Consumer Defensive	0.2%	-
Communication Services	0.0%	-
Consumer Cyclical	-	-
Energy	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	3.6%
Utilities	-	-

Return for Risk

SILJ vs. COPJ — Risk / Return Rank

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

SILJ

SILJ Risk / Return Rank: 41
SILJ Sharpe Ratio Rank: 44
SILJ Sortino Ratio Rank: 39
SILJ Omega Ratio Rank: 42
SILJ Calmar Ratio Rank: 46
SILJ Martin Ratio Rank: 35

COPJ

COPJ Risk / Return Rank: 57
COPJ Sharpe Ratio Rank: 67
COPJ Sortino Ratio Rank: 54
COPJ Omega Ratio Rank: 58
COPJ Calmar Ratio Rank: 61
COPJ Martin Ratio Rank: 46

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.

SILJ vs. COPJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Junior Silver Miners ETF (SILJ) and Sprott Junior Copper Miners ETF (COPJ). 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.

	SILJ	COPJ	Difference
Sharpe ratio: Return per unit of total volatility	1.37	1.84	-0.47
Sortino ratio: Return per unit of downside risk	1.83	2.24	-0.42
Omega ratio: Gain probability vs. loss probability	1.24	1.31	-0.06
Calmar ratio: Return relative to maximum drawdown	2.01	2.57	-0.56
Martin ratio: Return relative to average drawdown	4.72	6.71	-1.99

SILJ vs. COPJ - Sharpe Ratio Comparison

The current SILJ Sharpe Ratio is 1.37, which is comparable to the COPJ Sharpe Ratio of 1.84. The chart below compares the historical Sharpe Ratios of SILJ and COPJ, 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

SILJ vs. COPJ - Drawdown Comparison

The maximum SILJ drawdown since its inception was -79.04%, which is greater than COPJ's maximum drawdown of -32.28%. Use the drawdown chart below to compare losses from any high point for SILJ and COPJ.

Drawdown Indicators

	SILJ	COPJ	Difference
Max Drawdown Largest peak-to-trough decline	-79.04%	-32.28%	-46.76%
Max Drawdown (1Y) Largest decline over 1 year	-39.16%	-32.28%	-6.88%
Max Drawdown (3Y) Largest decline over 3 years	-39.16%	-32.28%	-6.88%
Max Drawdown (5Y) Largest decline over 5 years	-48.81%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-70.06%	—	—
Current Drawdown Current decline from peak	-35.68%	-22.96%	-12.72%
Average Drawdown Average peak-to-trough decline	-41.38%	-12.08%	-29.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.67%	12.33%	+4.34%

Volatility

SILJ vs. COPJ - Volatility Comparison

Amplify Junior Silver Miners ETF (SILJ) has a higher volatility of 20.11% compared to Sprott Junior Copper Miners ETF (COPJ) at 18.91%. This indicates that SILJ's price experiences larger fluctuations and is considered to be riskier than COPJ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SILJ	COPJ	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.11%	18.91%	+1.20%
Volatility (6M) Calculated over the trailing 6-month period	48.09%	38.69%	+9.40%
Volatility (1Y) Calculated over the trailing 1-year period	57.53%	44.95%	+12.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.96%	35.66%	+9.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	46.43%	35.66%	+10.77%

SILJ vs. COPJ - Expense Ratio Comparison

SILJ has a 0.69% expense ratio, which is lower than COPJ's 0.78% expense ratio.

Dividends

SILJ vs. COPJ - Dividend Comparison

SILJ's dividend yield for the trailing twelve months is around 2.14%, less than COPJ's 11.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPJ Sprott Junior Copper Miners ETF	11.48%	11.57%	11.64%	2.48%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SILJ Amplify Junior Silver Miners ETF	2.14%	2.00%	7.26%	0.01%	0.05%	0.36%	1.23%	1.45%	1.66%	0.00%	0.52%	2.46%

Frequently Asked Questions

Can I hold both SILJ and COPJ in my portfolio?

SILJ and COPJ have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SILJ or COPJ?

SILJ has higher volatility (20.11%) compared to COPJ (18.91%). In terms of maximum drawdown, SILJ dropped -79.04% vs COPJ's -32.28%.

Which ETF is better, SILJ or COPJ?

On 3-year performance, SILJ leads with 44.49% vs 38.25% for COPJ. On fees, SILJ is cheaper at 0.69% per year. On volatility, COPJ has been the lower-risk option at 18.91%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SILJ or COPJ?

Over the 3-year period, SILJ has performed better with a 44.49% return vs 38.25%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SILJ or COPJ?

SILJ is cheaper with a 0.69% expense ratio, compared with 0.78% for COPJ.

Which ETF pays a higher dividend yield, SILJ or COPJ?

COPJ has the higher dividend yield at 11.48%, compared with 2.14% for SILJ.

What is the main difference between SILJ and COPJ?

SILJ is categorized as Silver, while COPJ is Copper. SILJ tracks Nasdaq Junior Silver Miners Index, while COPJ tracks Nasdaq Sprott Junior Copper Miners Index. They also come from different issuers: Amplify and Sprott. Their fees differ too: 0.69% for SILJ and 0.78% for COPJ.

Which has better risk-adjusted returns?

COPJ currently has the higher Sharpe Ratio (1.84 vs 1.37), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.