WSTCX vs. COPJ

Last updated Jun 25, 2026

WSTCX (Delaware Ivy Science and Technology Fund) and COPJ (Sprott Junior Copper Miners ETF) are both funds - WSTCX is a Technology Equities fund managed by Ivy Funds, while COPJ is a Copper fund tracking the Nasdaq Sprott Junior Copper Miners Index. Over the past 3 years, WSTCX returned 65.85%/yr vs 37.28%/yr for COPJ. At a 0.42 correlation, their price movements are largely independent. WSTCX charges 2.14%/yr vs 0.78%/yr for COPJ.

Performance

WSTCX vs. COPJ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Delaware Ivy Science and Technology Fund (WSTCX) 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, WSTCX achieves a 37.80% return, which is significantly higher than COPJ's -3.26% return.

WSTCX

• 1D: -4.89%
• 1M: 5.85%
• YTD: 37.80%
• 6M: 36.01%
• 1Y: 62.20%
• 3Y*: 65.85%
• 5Y*: 30.63%
• 10Y*: 28.09%

COPJ

• 1D: -3.55%
• 1M: -9.41%
• YTD: -3.26%
• 6M: -2.56%
• 1Y: 83.00%
• 3Y*: 37.28%
• 5Y*: —
• 10Y*: —

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

WSTCX vs. COPJ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
WSTCX Delaware Ivy Science and Technology Fund	37.80%	32.86%	117.81%	22.27%
COPJ Sprott Junior Copper Miners ETF	-3.26%	140.63%	11.07%	-6.47%

Correlation

The correlation between WSTCX and COPJ is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.42
Correlation (All Time) Calculated using the full available price history since Feb 2, 2023	0.42

Return for Risk

WSTCX vs. COPJ — Risk / Return Rank

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

WSTCX

WSTCX Risk / Return Rank: 78
WSTCX Sharpe Ratio Rank: 85
WSTCX Sortino Ratio Rank: 65
WSTCX Omega Ratio Rank: 71
WSTCX Calmar Ratio Rank: 87
WSTCX Martin Ratio Rank: 83

COPJ

COPJ Risk / Return Rank: 54
COPJ Sharpe Ratio Rank: 62
COPJ Sortino Ratio Rank: 51
COPJ Omega Ratio Rank: 55
COPJ Calmar Ratio Rank: 58
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.

WSTCX vs. COPJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Delaware Ivy Science and Technology Fund (WSTCX) 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.

	WSTCX	COPJ	Difference
Sharpe ratio: Return per unit of total volatility	2.53	1.85	+0.68
Sortino ratio: Return per unit of downside risk	3.02	2.25	+0.77
Omega ratio: Gain probability vs. loss probability	1.42	1.31	+0.11
Calmar ratio: Return relative to maximum drawdown	4.02	2.59	+1.43
Martin ratio: Return relative to average drawdown	14.23	6.98	+7.25

WSTCX vs. COPJ - Sharpe Ratio Comparison

The current WSTCX Sharpe Ratio is 2.53, which is higher than the COPJ Sharpe Ratio of 1.85. The chart below compares the historical Sharpe Ratios of WSTCX 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

WSTCX vs. COPJ - Drawdown Comparison

The maximum WSTCX drawdown since its inception was -60.92%, which is greater than COPJ's maximum drawdown of -32.28%. Use the drawdown chart below to compare losses from any high point for WSTCX and COPJ.

Drawdown Indicators

	WSTCX	COPJ	Difference
Max Drawdown Largest peak-to-trough decline	-60.92%	-32.28%	-28.64%
Max Drawdown (1Y) Largest decline over 1 year	-16.84%	-32.28%	+15.44%
Max Drawdown (3Y) Largest decline over 3 years	-44.66%	-32.28%	-12.38%
Max Drawdown (5Y) Largest decline over 5 years	-60.92%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-60.92%	—	—
Current Drawdown Current decline from peak	-5.21%	-26.05%	+20.84%
Average Drawdown Average peak-to-trough decline	-18.37%	-12.02%	-6.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.74%	11.94%	-7.20%

Volatility

WSTCX vs. COPJ - Volatility Comparison

The current volatility for Delaware Ivy Science and Technology Fund (WSTCX) is 13.54%, while Sprott Junior Copper Miners ETF (COPJ) has a volatility of 19.88%. This indicates that WSTCX experiences smaller price fluctuations and is considered to be less risky than COPJ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WSTCX	COPJ	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.54%	19.88%	-6.34%
Volatility (6M) Calculated over the trailing 6-month period	22.17%	38.93%	-16.76%
Volatility (1Y) Calculated over the trailing 1-year period	26.76%	45.03%	-18.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	74.68%	35.71%	+38.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.15%	35.71%	+19.44%

WSTCX vs. COPJ - Expense Ratio Comparison

WSTCX has a 2.14% expense ratio, which is higher than COPJ's 0.78% expense ratio.

Dividends

WSTCX vs. COPJ - Dividend Comparison

WSTCX's dividend yield for the trailing twelve months is around 9.69%, less than COPJ's 11.96% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COPJ Sprott Junior Copper Miners ETF	11.96%	11.57%	11.64%	2.48%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
WSTCX Delaware Ivy Science and Technology Fund	9.69%	13.35%	81.76%	21.98%	57.60%	61.50%	11.27%	13.85%	16.72%	7.61%	0.00%	2.85%

Frequently Asked Questions

Can I hold both WSTCX and COPJ in my portfolio?

WSTCX and COPJ have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WSTCX or COPJ?

COPJ has higher volatility (19.88%) compared to WSTCX (13.54%). In terms of maximum drawdown, WSTCX dropped -60.92% vs COPJ's -32.28%.

Which has better risk-adjusted returns?

WSTCX currently has the higher Sharpe Ratio (2.53 vs 1.85), 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.