AMPX vs. ARRNF
AMPX (Amprius Technologies Inc.) and ARRNF (American Rare Earths Limited) are both stocks. AMPX operates in Electrical Equipment & Parts (Industrials), while ARRNF operates in Other Industrial Metals & Mining (Basic Materials). Over the past 3 years, AMPX returned 16.37%/yr vs 34.73%/yr for ARRNF. At a 0.07 correlation, their price movements are largely independent.
Performance
AMPX vs. ARRNF - Performance Comparison
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Returns By Period
In the year-to-date period, AMPX achieves a 106.72% return, which is significantly higher than ARRNF's 28.10% return.
AMPX
- 1D
- -4.62%
- 1M
- -6.91%
- YTD
- 106.72%
- 6M
- 49.50%
- 1Y
- 313.96%
- 3Y*
- 16.37%
- 5Y*
- —
- 10Y*
- —
ARRNF
- 1D
- 2.32%
- 1M
- -3.76%
- YTD
- 28.10%
- 6M
- 9.80%
- 1Y
- 49.44%
- 3Y*
- 34.73%
- 5Y*
- 68.17%
- 10Y*
- —
AMPX vs. ARRNF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
AMPX Amprius Technologies Inc. | 106.72% | 181.79% | -47.07% | -33.29% | -11.99% |
ARRNF American Rare Earths Limited | 28.10% | 23.89% | 41.25% | -11.60% | -25.29% |
Correlation
The correlation between AMPX and ARRNF is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.19 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.06 |
Correlation (All Time) Calculated using the full available price history since Sep 15, 2022 | 0.07 |
The correlation between AMPX and ARRNF shifts across timeframes, from 0.06 (3 years) to 0.19 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
AMPX:
$2.23B
ARRNF:
$149.92M
AMPX:
-$0.31
ARRNF:
-A$0.02
AMPX:
20.41
ARRNF:
4.42
AMPX:
$90.26M
ARRNF:
-A$128.85K
AMPX:
$16.37M
ARRNF:
-A$385.87K
AMPX:
-$17.72M
ARRNF:
-A$12.72M
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Return for Risk
AMPX vs. ARRNF — Risk / Return Rank
AMPX
ARRNF
AMPX vs. ARRNF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amprius Technologies Inc. (AMPX) and American Rare Earths Limited (ARRNF). 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.
| AMPX | ARRNF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.54 | ||
| Sortino ratioReturn per unit of downside risk | +1.12 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 1.22 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 6.82 | 0.72 | +6.10 |
| Martin ratioReturn relative to average drawdown | 16.45 | 0.99 | +15.46 |
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Drawdowns
AMPX vs. ARRNF - Drawdown Comparison
The maximum AMPX drawdown since its inception was -94.49%, which is greater than ARRNF's maximum drawdown of -83.01%. Use the drawdown chart below to compare losses from any high point for AMPX and ARRNF.
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Drawdown Indicators
| AMPX | ARRNF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.49% | -83.01% | -11.48% |
Max Drawdown (1Y)Largest decline over 1 year | -46.41% | -69.13% | +22.72% |
Max Drawdown (3Y)Largest decline over 3 years | -92.44% | -69.13% | -23.31% |
Max Drawdown (5Y)Largest decline over 5 years | — | -83.01% | — |
Current DrawdownCurrent decline from peak | -28.81% | -60.46% | +31.65% |
Average DrawdownAverage peak-to-trough decline | -54.95% | -46.27% | -8.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 19.19% | 49.90% | -30.71% |
Volatility
AMPX vs. ARRNF - Volatility Comparison
Amprius Technologies Inc. (AMPX) has a higher volatility of 33.62% compared to American Rare Earths Limited (ARRNF) at 26.35%. This indicates that AMPX's price experiences larger fluctuations and is considered to be riskier than ARRNF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AMPX | ARRNF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 33.62% | 26.35% | +7.27% |
Volatility (6M)Calculated over the trailing 6-month period | 79.90% | 51.26% | +28.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 109.24% | 126.90% | -17.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 128.75% | 314.54% | -185.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 128.75% | 289.79% | -161.04% |
Dividends
AMPX vs. ARRNF - Dividend Comparison
Neither AMPX nor ARRNF has paid dividends to shareholders.
Financials
AMPX vs. ARRNF - Financials Comparison
This section allows you to compare key financial metrics between Amprius Technologies Inc. and American Rare Earths Limited. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
AMPX and ARRNF have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AMPX has higher volatility (33.62%) compared to ARRNF (26.35%). In terms of maximum drawdown, AMPX dropped -94.49% vs ARRNF's -83.01%.
AMPX currently has the higher Sharpe Ratio (2.93 vs 0.39), 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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