COPJ vs. KF

Last updated Jul 21, 2026

COPJ (Sprott Junior Copper Miners ETF) and KF (The Korea Fund Inc) are both funds - COPJ is a Copper fund tracking the Nasdaq Sprott Junior Copper Miners Index, while KF is a Emerging Markets Equities fund managed by Allianz Global Investors. Over the past 3 years, COPJ returned 34.22%/yr vs 39.52%/yr for KF. At a 0.44 correlation, their price movements are largely independent. COPJ charges 0.78%/yr vs 0.01%/yr for KF.

Performance

COPJ vs. KF - Performance Comparison

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

Returns By Period

In the year-to-date period, COPJ achieves a -4.07% return, which is significantly lower than KF's 67.98% return.

COPJ

• 1D: 0.23%
• 1M: -11.32%
• 6M: -15.71%
• YTD: -4.07%
• 1Y: 64.49%
• 3Y*: 34.22%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 28.75%

KF

• 1D: 0.86%
• 1M: -23.79%
• 6M: 46.80%
• YTD: 67.98%
• 1Y: 126.73%
• 3Y*: 39.52%
• 5Y*: 15.72%
• 10Y*: 14.10%
• ALL TIME*: 7.29%

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

COPJ vs. KF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
COPJ Sprott Junior Copper Miners ETF	-4.07%	140.63%	11.07%	-6.47%
KF The Korea Fund Inc	67.98%	99.36%	-19.29%	-5.29%

Correlation

The correlation between COPJ and KF is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (All Time) Calculated using the full available price history since Feb 2, 2023	0.44

Return for Risk

COPJ vs. KF — Risk / Return Rank

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

COPJ

COPJ Risk / Return Rank: 50
COPJ Sharpe Ratio Rank: 56
COPJ Sortino Ratio Rank: 49
COPJ Omega Ratio Rank: 52
COPJ Calmar Ratio Rank: 53
COPJ Martin Ratio Rank: 40

KF

KF Risk / Return Rank: 88
KF Sharpe Ratio Rank: 92
KF Sortino Ratio Rank: 76
KF Omega Ratio Rank: 81
KF Calmar Ratio Rank: 96
KF Martin Ratio Rank: 94

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. KF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sprott Junior Copper Miners ETF (COPJ) and The Korea Fund Inc (KF). 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.

	COPJ	KF	Difference
Sharpe ratio: Return per unit of total volatility	1.41	2.64	-1.23
Sortino ratio: Return per unit of downside risk	1.88	2.89	-1.01
Omega ratio: Gain probability vs. loss probability	1.25	1.42	-0.17
Calmar ratio: Return relative to maximum drawdown	2.01	5.01	-3.01
Martin ratio: Return relative to average drawdown	4.80	15.30	-10.51

COPJ vs. KF - Sharpe Ratio Comparison

The current COPJ Sharpe Ratio is 1.41, which is lower than the KF Sharpe Ratio of 2.64. The chart below compares the historical Sharpe Ratios of COPJ and KF, 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

COPJ vs. KF - Drawdown Comparison

The maximum COPJ drawdown since its inception was -32.28%, smaller than the maximum KF drawdown of -85.25%. Use the drawdown chart below to compare losses from any high point for COPJ and KF.

Drawdown Indicators

	COPJ	KF	Difference
Max Drawdown Largest peak-to-trough decline	-32.28%	-85.25%	+52.97%
Max Drawdown (1Y) Largest decline over 1 year	-32.28%	-25.42%	-6.86%
Max Drawdown (3Y) Largest decline over 3 years	-32.28%	-28.04%	-4.24%
Max Drawdown (5Y) Largest decline over 5 years	—	-46.83%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-52.91%	—
Current Drawdown Current decline from peak	-26.67%	-23.79%	-2.88%
Average Drawdown Average peak-to-trough decline	-12.26%	-37.81%	+25.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.49%	8.31%	+5.18%

Volatility

COPJ vs. KF - Volatility Comparison

The current volatility for Sprott Junior Copper Miners ETF (COPJ) is 12.52%, while The Korea Fund Inc (KF) has a volatility of 20.94%. This indicates that COPJ experiences smaller price fluctuations and is considered to be less risky than KF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COPJ	KF	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.52%	20.94%	-8.42%
Volatility (6M) Calculated over the trailing 6-month period	39.13%	45.16%	-6.03%
Volatility (1Y) Calculated over the trailing 1-year period	45.92%	48.31%	-2.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.79%	29.99%	+5.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.79%	27.21%	+8.58%

COPJ vs. KF - Expense Ratio Comparison

COPJ has a 0.78% expense ratio, which is higher than KF's 0.02% expense ratio.

Dividends

COPJ vs. KF - Dividend Comparison

COPJ's dividend yield for the trailing twelve months is around 12.06%, more than KF's 0.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPJ Sprott Junior Copper Miners ETF	12.06%	11.57%	11.64%	2.48%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
KF The Korea Fund Inc	0.72%	1.20%	2.46%	0.00%	15.93%	26.50%	1.30%	0.24%	18.67%	9.75%	1.03%	13.66%

Frequently Asked Questions

Can I hold both COPJ and KF in my portfolio?

COPJ and KF have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COPJ or KF?

KF has higher volatility (20.94%) compared to COPJ (12.52%). In terms of maximum drawdown, COPJ dropped -32.28% vs KF's -85.25%.

Which has better risk-adjusted returns?

KF currently has the higher Sharpe Ratio (2.64 vs 1.41), 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.