RR vs. COPJ
RR (Richtech Robotics Inc. Class B Common Stock) is a stock, while COPJ (Sprott Junior Copper Miners ETF) is Copper fund tracking the Nasdaq Sprott Junior Copper Miners Index. Over the past year, RR returned -1.55% vs 83.00% for COPJ. At a 0.29 correlation, their price movements are largely independent.
Performance
RR vs. COPJ - Performance Comparison
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Returns By Period
In the year-to-date period, RR achieves a -40.87% return, which is significantly lower than COPJ's -3.26% return.
RR
- 1D
- -5.45%
- 1M
- -28.73%
- YTD
- -40.87%
- 6M
- -47.67%
- 1Y
- -1.55%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
COPJ
- 1D
- -3.55%
- 1M
- -9.41%
- YTD
- -3.26%
- 6M
- -2.56%
- 1Y
- 83.00%
- 3Y*
- 37.28%
- 5Y*
- —
- 10Y*
- —
RR vs. COPJ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
RR Richtech Robotics Inc. Class B Common Stock | -40.87% | 19.63% | -54.62% | 19.00% |
COPJ Sprott Junior Copper Miners ETF | -3.26% | 140.63% | 11.07% | 14.36% |
Correlation
The correlation between RR and COPJ is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Nov 17, 2023 | 0.29 |
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Return for Risk
RR vs. COPJ — Risk / Return Rank
RR
COPJ
RR vs. COPJ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Richtech Robotics Inc. Class B Common Stock (RR) 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.
| RR | COPJ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.87 | ||
| Sortino ratioReturn per unit of downside risk | -1.29 | ||
| Omega ratioGain probability vs. loss probability | 1.10 | 1.31 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | -0.02 | 2.59 | -2.61 |
| Martin ratioReturn relative to average drawdown | -0.03 | 6.98 | -7.01 |
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Drawdowns
RR vs. COPJ - Drawdown Comparison
The maximum RR drawdown since its inception was -96.67%, which is greater than COPJ's maximum drawdown of -32.28%. Use the drawdown chart below to compare losses from any high point for RR and COPJ.
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Drawdown Indicators
| RR | COPJ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.67% | -32.28% | -64.39% |
Max Drawdown (1Y)Largest decline over 1 year | -73.37% | -32.28% | -41.09% |
Max Drawdown (3Y)Largest decline over 3 years | — | -32.28% | — |
Current DrawdownCurrent decline from peak | -82.79% | -26.05% | -56.74% |
Average DrawdownAverage peak-to-trough decline | -74.81% | -12.02% | -62.79% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 47.28% | 11.94% | +35.34% |
Volatility
RR vs. COPJ - Volatility Comparison
Richtech Robotics Inc. Class B Common Stock (RR) has a higher volatility of 29.02% compared to Sprott Junior Copper Miners ETF (COPJ) at 19.88%. This indicates that RR'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.
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Volatility by Period
| RR | COPJ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 29.02% | 19.88% | +9.14% |
Volatility (6M)Calculated over the trailing 6-month period | 77.67% | 38.93% | +38.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 118.81% | 45.03% | +73.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 163.02% | 35.71% | +127.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 163.02% | 35.71% | +127.31% |
Dividends
RR vs. COPJ - Dividend Comparison
RR has not paid dividends to shareholders, while COPJ's dividend yield for the trailing twelve months is around 11.96%.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
COPJ Sprott Junior Copper Miners ETF | 11.96% | 11.57% | 11.64% | 2.48% |
RR Richtech Robotics Inc. Class B Common Stock | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
RR and COPJ have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
RR has higher volatility (29.02%) compared to COPJ (19.88%). In terms of maximum drawdown, RR dropped -96.67% vs COPJ's -32.28%.
COPJ currently has the higher Sharpe Ratio (1.85 vs -0.01), 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.
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