OPTT vs. IAI
OPTT (Ocean Power Technologies, Inc.) is a stock, while IAI (iShares U.S. Broker-Dealers & Securities Exchanges ETF) is Financials Equities fund tracking the Dow Jones U.S. Select Investment Services Index. Over the past 10 years, OPTT returned -48.90%/yr vs 18.96%/yr for IAI. Their 0.22 correlation means their historical movements had little consistent relationship.
Performance
OPTT vs. IAI - Performance Comparison
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Returns By Period
In the year-to-date period, OPTT achieves a -39.67% return, which is significantly lower than IAI's 4.55% return. Over the past 10 years, OPTT has underperformed IAI with an annualized return of -48.90%, while IAI has yielded a comparatively higher 18.96% annualized return.
OPTT
- 1D
- 12.35%
- 1M
- -29.35%
- 6M
- -63.78%
- YTD
- -39.67%
- 1Y
- -65.35%
- 3Y*
- -32.97%
- 5Y*
- -37.96%
- 10Y*
- -48.90%
- ALL TIME*
- -40.50%
IAI
- 1D
- -0.34%
- 1M
- 1.07%
- 6M
- 1.69%
- YTD
- 4.55%
- 1Y
- 10.23%
- 3Y*
- 25.58%
- 5Y*
- 14.36%
- 10Y*
- 18.96%
- ALL TIME*
- 8.22%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $12.11M | $13.79M | $19.12M | |
| $1.22M | $1.06M | $1.31M |
OPTT vs. IAI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OPTT Ocean Power Technologies, Inc. | -39.67% | -70.59% | 222.78% | -29.79% | -69.59% | -44.98% | 209.20% | -87.21% | -69.08% | -62.71% |
IAI iShares U.S. Broker-Dealers & Securities Exchanges ETF | 4.55% | 25.80% | 34.37% | 15.27% | -10.87% | 40.48% | 18.61% | 24.26% | -9.47% | 28.86% |
Correlation
The correlation between OPTT and IAI is 0.36, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.36 |
Correlation (3Y) Balances recent behavior with more history. | 0.32 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.29 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.25 |
Correlation (All Time) Calculated using the full available price history since Apr 25, 2007 | 0.22 |
The correlation between OPTT and IAI shifts across timeframes, from 0.22 (all time) to 0.36 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
OPTT vs. IAI — Risk / Return Rank
OPTT
IAI
OPTT vs. IAI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Ocean Power Technologies, Inc. (OPTT) and iShares U.S. Broker-Dealers & Securities Exchanges ETF (IAI). 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 | IAI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.01 | ||
| Sortino ratioReturn per unit of downside risk | -1.42 | ||
| Omega ratioGain probability vs. loss probability | 0.91 | 1.08 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | -0.84 | 0.44 | -1.28 |
| Martin ratioReturn relative to average drawdown | -1.57 | 1.23 | -2.80 |
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Drawdowns
OPTT vs. IAI - Drawdown Comparison
The maximum OPTT drawdown since its inception was -100.00%, which is greater than IAI's maximum drawdown of -75.46%. Use the drawdown chart below to compare losses from any high point for OPTT and IAI.
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Drawdown Indicators
| OPTT | IAI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -100.00% | -75.46% | -24.54% |
Max Drawdown (1Y)Largest decline over 1 year | -79.38% | -16.52% | -62.86% |
Max Drawdown (3Y)Largest decline over 3 years | -91.06% | -23.14% | -67.92% |
Max Drawdown (5Y)Largest decline over 5 years | -94.73% | -28.84% | -65.89% |
Max Drawdown (10Y)Largest decline over 10 years | -99.93% | -40.38% | -59.55% |
Current DrawdownCurrent decline from peak | -100.00% | -5.12% | -94.88% |
Average DrawdownAverage peak-to-trough decline | -88.60% | -22.51% | -66.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 42.18% | 5.95% | +36.23% |
Volatility
OPTT vs. IAI - Volatility Comparison
Ocean Power Technologies, Inc. (OPTT) has a higher volatility of 31.54% compared to iShares U.S. Broker-Dealers & Securities Exchanges ETF (IAI) at 6.58%. This indicates that OPTT's price experiences larger fluctuations and is considered to be riskier than IAI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OPTT | IAI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 31.54% | 6.58% | +24.96% |
Volatility (6M)Calculated over the trailing 6-month period | 65.61% | 16.11% | +49.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 102.88% | 20.28% | +82.60% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 122.02% | 21.51% | +100.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 120.56% | 22.76% | +97.80% |
Dividends
OPTT vs. IAI - Dividend Comparison
OPTT has not paid dividends to shareholders, while IAI's dividend yield for the trailing twelve months is around 1.10%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IAI iShares U.S. Broker-Dealers & Securities Exchanges ETF | 1.10% | 0.95% | 1.05% | 1.80% | 2.14% | 1.31% | 1.55% | 1.52% | 1.58% | 1.37% | 1.49% | 1.31% |
OPTT Ocean Power Technologies, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
OPTT and IAI have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OPTT has higher volatility (31.54%) compared to IAI (6.58%). In terms of maximum drawdown, OPTT dropped -100.00% vs IAI's -75.46%.
IAI currently has the higher Sharpe Ratio (0.36 vs -0.64), 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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