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OPTT vs. IYW
Performance
Return for Risk
Drawdowns
Volatility
Dividends

OPTT vs. IYW

Last updated Jun 5, 2026

OPTT (Ocean Power Technologies, Inc.) is a stock, while IYW (iShares U.S. Technology ETF) is Technology Equities fund tracking the Russell 1000 Technology RIC 22.5/45 Capped Index. Over the past 10 years, OPTT returned -41.98%/yr vs 26.00%/yr for IYW. At a 0.23 correlation, their price movements are largely independent.

Performance

OPTT vs. IYW - Performance Comparison

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

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Returns By Period

The year-to-date returns for both stocks are quite close, with OPTT having a 29.33% return and IYW slightly lower at 28.46%. Over the past 10 years, OPTT has underperformed IYW with an annualized return of -41.98%, while IYW has yielded a comparatively higher 26.00% annualized return.

OPTT

1D
-1.82%
1M
10.86%
YTD
29.33%
6M
-11.82%
1Y
-29.51%
3Y*
-13.52%
5Y*
-30.71%
10Y*
-41.98%

IYW

1D
-0.44%
1M
13.87%
YTD
28.46%
6M
27.22%
1Y
58.25%
3Y*
35.17%
5Y*
22.76%
10Y*
26.00%
*Multi-year figures are annualized to reflect compound growth (CAGR)

OPTT vs. IYW - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
OPTT
Ocean Power Technologies, Inc.		29.33%-70.59%222.78%-29.79%-69.59%-44.98%209.20%-87.21%-69.08%-62.71%
IYW
iShares U.S. Technology ETF		28.46%25.38%30.25%65.44%-34.83%35.44%47.45%46.64%-0.93%36.60%

Correlation

The correlation between OPTT and IYW 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

0.29

Correlation (5Y)
Calculated over the trailing 5-year period

0.30

Correlation (10Y)
Calculated over the trailing 10-year period

0.25

Correlation (All Time)
Calculated using the full available price history since Apr 26, 2007

0.23

The correlation between OPTT and IYW shifts across timeframes, from 0.23 (all time) to 0.42 (1 year), reflecting how their relationship changes across market environments.

Compare stocks, funds, or ETFs

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Ocean Power Technologies, Inc.

iShares U.S. Technology ETF

Often compared with OPTT:
OPTT vs. WAVEOPTT vs. OMEXOPTT vs. SPYOPTT vs. SMCIOPTT vs. TLTWOPTT vs. RDWOPTT vs. IAI
Often compared with IYW:
IYW vs. VGTIYW vs. QQQIYW vs. XLKIYW vs. IGMIYW vs. SMHIYW vs. IWFIYW vs. SOXX

Return for Risk

OPTT vs. IYW — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
OPTT
OPTT Risk / Return Rank: 3131
Overall Rank
OPTT Sharpe Ratio Rank: 2929
Sharpe Ratio Rank
OPTT Sortino Ratio Rank: 3636
Sortino Ratio Rank
OPTT Omega Ratio Rank: 3636
Omega Ratio Rank
OPTT Calmar Ratio Rank: 2626
Calmar Ratio Rank
OPTT Martin Ratio Rank: 3030
Martin Ratio Rank
IYW
IYW Risk / Return Rank: 7676
Overall Rank
IYW Sharpe Ratio Rank: 8888
Sharpe Ratio Rank
IYW Sortino Ratio Rank: 8282
Sortino Ratio Rank
IYW Omega Ratio Rank: 8080
Omega Ratio Rank
IYW Calmar Ratio Rank: 6767
Calmar Ratio Rank
IYW Martin Ratio Rank: 6161
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

OPTT vs. IYW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ocean Power Technologies, Inc. (OPTT) and iShares U.S. Technology ETF (IYW). 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.

OPTTIYWDifference
Sharpe ratioReturn per unit of total volatility
-0.29
2.92

-3.21

Sortino ratioReturn per unit of downside risk
0.24
3.63

-3.39

Omega ratioGain probability vs. loss probability

1.03

1.47

-0.45

Calmar ratioReturn relative to maximum drawdown

-0.45

3.29

-3.74

Martin ratioReturn relative to average drawdown

-0.66

10.76

-11.42

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OPTT vs. IYW - Sharpe Ratio Comparison

The current OPTT Sharpe Ratio is -0.29, which is lower than the IYW Sharpe Ratio of 2.92. The chart below compares the historical Sharpe Ratios of OPTT and IYW, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

OPTTIYWDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

-0.29

2.92

-3.21

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

-0.25

0.88

-1.14

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

-0.33

1.04

-1.37

Sharpe Ratio (All Time)

Calculated using the full available price history

-0.34

0.35

-0.69

Drawdowns

OPTT vs. IYW - Drawdown Comparison

The maximum OPTT drawdown since its inception was -100.00%, which is greater than IYW's maximum drawdown of -81.90%. Use the drawdown chart below to compare losses from any high point for OPTT and IYW.

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Drawdown Indicators

OPTTIYWDifference

Max Drawdown

Largest peak-to-trough decline

-100.00%

-81.90%

-18.10%

Max Drawdown (1Y)

Largest decline over 1 year

-65.30%

-17.81%

-47.49%

Max Drawdown (3Y)

Largest decline over 3 years

-82.37%

-26.47%

-55.90%

Max Drawdown (5Y)

Largest decline over 5 years

-95.71%

-39.44%

-56.27%

Max Drawdown (10Y)

Largest decline over 10 years

-99.95%

-39.44%

-60.51%

Current Drawdown

Current decline from peak

-100.00%

-1.35%

-98.65%

Average Drawdown

Average peak-to-trough decline

-98.65%

-34.65%

-64.00%

Ulcer Index

Depth and duration of drawdowns from previous peaks

45.02%

5.43%

+39.59%

Volatility

OPTT vs. IYW - Volatility Comparison

Ocean Power Technologies, Inc. (OPTT) has a higher volatility of 18.75% compared to iShares U.S. Technology ETF (IYW) at 6.28%. This indicates that OPTT's price experiences larger fluctuations and is considered to be riskier than IYW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

OPTTIYWDifference

Volatility (1M)

Calculated over the trailing 1-month period

18.75%

6.28%

+12.47%

Volatility (6M)

Calculated over the trailing 6-month period

79.72%

15.84%

+63.88%

Volatility (1Y)

Calculated over the trailing 1-year period

101.88%

20.07%

+81.81%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

121.44%

25.86%

+95.58%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

127.40%

25.09%

+102.31%

Dividends

OPTT vs. IYW - Dividend Comparison

OPTT has not paid dividends to shareholders, while IYW's dividend yield for the trailing twelve months is around 0.11%.

PositionTTM20252024202320222021202020192018201720162015
IYW
iShares U.S. Technology ETF		0.11%0.14%0.21%0.34%0.50%0.31%0.56%0.72%0.92%0.82%1.14%1.12%
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 IYW 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 (18.75%) compared to IYW (6.28%). In terms of maximum drawdown, OPTT dropped -100.00% vs IYW's -81.90%.

IYW currently has the higher Sharpe Ratio (2.92 vs -0.29), 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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