OPTT vs. UAMY
OPTT (Ocean Power Technologies, Inc.) and UAMY (United States Antimony Corporation) are both stocks. OPTT operates in Electrical Equipment & Parts (Industrials), while UAMY operates in Other Industrial Metals & Mining (Basic Materials). Over the past 10 years, OPTT returned -42.55%/yr vs 39.91%/yr for UAMY. At a 0.12 correlation, their price movements are largely independent.
Performance
OPTT vs. UAMY - Performance Comparison
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Returns By Period
In the year-to-date period, OPTT achieves a -8.60% return, which is significantly lower than UAMY's 40.24% return. Over the past 10 years, OPTT has underperformed UAMY with an annualized return of -42.55%, while UAMY has yielded a comparatively higher 39.91% annualized return.
OPTT
- 1D
- -7.05%
- 1M
- -19.42%
- YTD
- -8.60%
- 6M
- -35.10%
- 1Y
- -49.32%
- 3Y*
- -25.04%
- 5Y*
- -36.18%
- 10Y*
- -42.55%
UAMY
- 1D
- -3.96%
- 1M
- -29.39%
- YTD
- 40.24%
- 6M
- 25.71%
- 1Y
- 133.11%
- 3Y*
- 174.60%
- 5Y*
- 49.67%
- 10Y*
- 39.91%
OPTT vs. UAMY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OPTT Ocean Power Technologies, Inc. | -8.60% | -70.59% | 222.78% | -29.79% | -69.59% | -44.98% | 209.20% | -87.21% | -69.08% | -62.71% |
UAMY United States Antimony Corporation | 40.24% | 183.62% | 610.84% | -48.86% | -2.19% | -4.64% | 35.58% | -33.62% | 81.25% | 27.49% |
Correlation
The correlation between OPTT and UAMY 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 | 0.25 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.28 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.17 |
Correlation (All Time) Calculated using the full available price history since Apr 25, 2007 | 0.12 |
Over the past year, OPTT and UAMY have become more correlated (0.42) than their long-term average of 0.12, meaning their price movements have been converging.
Fundamentals
OPTT:
$536.06M
UAMY:
$996.95M
OPTT:
-$0.02
UAMY:
-$0.13
OPTT:
146.84
UAMY:
23.26
OPTT:
26.69
UAMY:
7.56
OPTT:
$3.44M
UAMY:
$39.04M
OPTT:
-$1.94M
UAMY:
$4.34M
OPTT:
-$33.99M
UAMY:
-$15.23M
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Return for Risk
OPTT vs. UAMY — Risk / Return Rank
OPTT
UAMY
OPTT vs. UAMY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Ocean Power Technologies, Inc. (OPTT) and United States Antimony Corporation (UAMY). 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.
| OPTT | UAMY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.49 | ||
| Sortino ratioReturn per unit of downside risk | -2.34 | ||
| Omega ratioGain probability vs. loss probability | 0.98 | 1.23 | -0.26 |
| Calmar ratioReturn relative to maximum drawdown | -0.73 | 1.80 | -2.53 |
| Martin ratioReturn relative to average drawdown | -1.07 | 3.10 | -4.17 |
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Drawdowns
OPTT vs. UAMY - Drawdown Comparison
The maximum OPTT drawdown since its inception was -100.00%, roughly equal to the maximum UAMY drawdown of -96.44%. Use the drawdown chart below to compare losses from any high point for OPTT and UAMY.
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Drawdown Indicators
| OPTT | UAMY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -100.00% | -96.44% | -3.56% |
Max Drawdown (1Y)Largest decline over 1 year | -67.80% | -74.30% | +6.50% |
Max Drawdown (3Y)Largest decline over 3 years | -83.20% | -74.30% | -8.90% |
Max Drawdown (5Y)Largest decline over 5 years | -95.71% | -80.46% | -15.25% |
Max Drawdown (10Y)Largest decline over 10 years | -99.95% | -89.76% | -10.19% |
Current DrawdownCurrent decline from peak | -99.99% | -59.70% | -40.29% |
Average DrawdownAverage peak-to-trough decline | -88.52% | -66.41% | -22.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 46.08% | 43.23% | +2.85% |
Volatility
OPTT vs. UAMY - Volatility Comparison
Ocean Power Technologies, Inc. (OPTT) has a higher volatility of 36.85% compared to United States Antimony Corporation (UAMY) at 30.55%. This indicates that OPTT's price experiences larger fluctuations and is considered to be riskier than UAMY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OPTT | UAMY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 36.85% | 30.55% | +6.30% |
Volatility (6M)Calculated over the trailing 6-month period | 85.09% | 93.03% | -7.94% |
Volatility (1Y)Calculated over the trailing 1-year period | 104.79% | 132.02% | -27.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 121.99% | 95.07% | +26.92% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 127.48% | 101.02% | +26.46% |
Dividends
OPTT vs. UAMY - Dividend Comparison
Neither OPTT nor UAMY has paid dividends to shareholders.
Financials
OPTT vs. UAMY - Financials Comparison
This section allows you to compare key financial metrics between Ocean Power Technologies, Inc. and United States Antimony Corporation. 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
OPTT and UAMY 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.
OPTT has higher volatility (36.85%) compared to UAMY (30.55%). In terms of maximum drawdown, OPTT dropped -100.00% vs UAMY's -96.44%.
UAMY currently has the higher Sharpe Ratio (1.01 vs -0.47), 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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