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OPTT vs. SPY
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between OPTT and SPY is 0.21, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.


-0.50.00.51.00.2

Performance

OPTT vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ocean Power Technologies, Inc. (OPTT) and SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

-100.00%0.00%100.00%200.00%300.00%400.00%500.00%AugustSeptemberOctoberNovemberDecember2025
-99.97%
459.79%
OPTT
SPY

Key characteristics

Sharpe Ratio

OPTT:

1.00

SPY:

2.20

Sortino Ratio

OPTT:

3.06

SPY:

2.91

Omega Ratio

OPTT:

1.44

SPY:

1.41

Calmar Ratio

OPTT:

2.07

SPY:

3.35

Martin Ratio

OPTT:

4.23

SPY:

13.99

Ulcer Index

OPTT:

48.96%

SPY:

2.01%

Daily Std Dev

OPTT:

206.19%

SPY:

12.79%

Max Drawdown

OPTT:

-100.00%

SPY:

-55.19%

Current Drawdown

OPTT:

-99.97%

SPY:

-1.35%

Returns By Period

In the year-to-date period, OPTT achieves a -10.11% return, which is significantly lower than SPY's 1.96% return. Over the past 10 years, OPTT has underperformed SPY with an annualized return of -37.87%, while SPY has yielded a comparatively higher 13.44% annualized return.


OPTT

YTD

-10.11%

1M

189.15%

6M

157.77%

1Y

216.06%

5Y*

-0.55%

10Y*

-37.87%

SPY

YTD

1.96%

1M

2.27%

6M

9.55%

1Y

27.02%

5Y*

14.23%

10Y*

13.44%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Risk-Adjusted Performance

OPTT vs. SPY — Risk-Adjusted Performance Rank

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

OPTT
The Risk-Adjusted Performance Rank of OPTT is 8686
Overall Rank
The Sharpe Ratio Rank of OPTT is 7878
Sharpe Ratio Rank
The Sortino Ratio Rank of OPTT is 9292
Sortino Ratio Rank
The Omega Ratio Rank of OPTT is 9393
Omega Ratio Rank
The Calmar Ratio Rank of OPTT is 9191
Calmar Ratio Rank
The Martin Ratio Rank of OPTT is 7878
Martin Ratio Rank

SPY
The Risk-Adjusted Performance Rank of SPY is 8383
Overall Rank
The Sharpe Ratio Rank of SPY is 8383
Sharpe Ratio Rank
The Sortino Ratio Rank of SPY is 8080
Sortino Ratio Rank
The Omega Ratio Rank of SPY is 8383
Omega Ratio Rank
The Calmar Ratio Rank of SPY is 8383
Calmar Ratio Rank
The Martin Ratio Rank of SPY is 8585
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

OPTT vs. SPY - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Ocean Power Technologies, Inc. (OPTT) and SPDR S&P 500 ETF (SPY). 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.


Sharpe ratio
The chart of Sharpe ratio for OPTT, currently valued at 1.00, compared to the broader market-2.000.002.004.001.002.20
The chart of Sortino ratio for OPTT, currently valued at 3.06, compared to the broader market-4.00-2.000.002.004.003.062.91
The chart of Omega ratio for OPTT, currently valued at 1.44, compared to the broader market0.501.001.502.001.441.41
The chart of Calmar ratio for OPTT, currently valued at 2.07, compared to the broader market0.002.004.006.002.073.35
The chart of Martin ratio for OPTT, currently valued at 4.23, compared to the broader market-10.000.0010.0020.004.2313.99
OPTT
SPY

The current OPTT Sharpe Ratio is 1.00, which is lower than the SPY Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of OPTT and SPY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
1.00
2.20
OPTT
SPY

Dividends

OPTT vs. SPY - Dividend Comparison

OPTT has not paid dividends to shareholders, while SPY's dividend yield for the trailing twelve months is around 1.18%.


TTM20242023202220212020201920182017201620152014
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%
SPY
SPDR S&P 500 ETF
1.18%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%1.87%

Drawdowns

OPTT vs. SPY - Drawdown Comparison

The maximum OPTT drawdown since its inception was -100.00%, which is greater than SPY's maximum drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for OPTT and SPY. For additional features, visit the drawdowns tool.


-100.00%-80.00%-60.00%-40.00%-20.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-99.97%
-1.35%
OPTT
SPY

Volatility

OPTT vs. SPY - Volatility Comparison

Ocean Power Technologies, Inc. (OPTT) has a higher volatility of 99.49% compared to SPDR S&P 500 ETF (SPY) at 5.10%. This indicates that OPTT's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.00%20.00%40.00%60.00%80.00%100.00%AugustSeptemberOctoberNovemberDecember2025
99.49%
5.10%
OPTT
SPY
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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