Ocean Power TechnologiesOPTT +2.83%43 PB Ratio is 2.73 as of Jun. 26, 2026, which is 86% above its 10-year median of 1.47. GuruFocus rates OPTT with a GF Score™ of 43/100 and a GF Value™ of $0.14 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 2,986 Industrial Products companies, Ocean Power Technologies ranks worse than 57.77% on this metric.
Ocean Power Technologies Inc stock PB Ratio (=2.66) is close to 1-year low of 2.66.
The historical rank and industry rank for Ocean Power Technologies's PB Ratio or its related term are showing as below:
OPTT'
s PB Ratio Range Over the Past 10 Years
Min: 0.32 Med: 1.47 Max: 10.04
Current: 2.82
During the past 13 years, Ocean Power Technologies's highest PB Ratio was 10.04. The lowest was 0.32. And the median was 1.47.
OPTT's PB Ratio is ranked worse than 57.77% of 2986
companies
in the Industrial Products industry
Industry Median: 2.27
vs OPTT: 2.82
During the past 12 months, Ocean Power Technologies's average Book Value Per Share Growth Rate was -45.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -49.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -31.90% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -45.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Ocean Power Technologies was 298.50% per year. The lowest was -64.00% per year. And the median was -31.55% per year.
Back to Basics: PB Ratio
Ocean Power Technologies (AMEX:OPTT) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Specialty Industrial Machinery subindustry, Ocean Power Technologies's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Ocean Power Technologies PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Ocean Power Technologies's PB Ratio distribution charts can be found below:
* The bar in red indicates where Ocean Power Technologies's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Ocean Power Technologies (OPTT) has a PB Ratio of 2.73 as of Jun. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Ocean Power Technologies and its competitors. This is 86% above median its historical median of 1.47. Over the past decade, Ocean Power Technologies' PB Ratio has ranged from 0.32 to 10.04. According to the industry distribution chart, Ocean Power Technologies ranks #1725 out of 2986 companies in the Industrial Products industry, placing it in the top 57.8%.
Is Ocean Power Technologies' PB Ratio too high?
Ocean Power Technologies' current PB Ratio of 2.73 is 86% above median its 10-year median of 1.47. Over the past 10 years, this metric has ranged from a low of 0.32 to a high of 10.04. The Industrial Products industry median PB Ratio is 2.27. Ocean Power Technologies' value of 2.73 is 20.3% above this industry median. Based on the distribution chart, Ocean Power Technologies ranks #1725 out of 2986 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Ocean Power Technologies has a GF Score™ of 43/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ocean Power Technologies' PB Ratio compare to BWEN and HURC?
According to the Industrial Products industry distribution chart, Ocean Power Technologies ranks #1725 out of 2986 companies for PB Ratio. This places Ocean Power Technologies in the lower half of its industry. The industry median PB Ratio is 2.27. Ocean Power Technologies' value of 2.73 is 20.3% above this benchmark. Historically, Ocean Power Technologies' own PB Ratio has ranged from 0.32 to 10.04 over the past decade. While the company's 10-year median is 1.47 vs. the industry median of 2.27, Ocean Power Technologies has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.27, based on 2,986 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Ocean Power Technologies's current PB Ratio of 2.73 is 20.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Ocean Power Technologies and its competitors. For the Industrial Products industry, the median PB Ratio is 2.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ocean Power Technologies's current PB Ratio is 2.73, which is 86% above median its own 10-year median of 1.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ocean Power Technologies stock overvalued right now?
Based on GuruFocus' analysis, Ocean Power Technologies (OPTT) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.14, compared to a current price of $0.25 — trading 81.4% above its estimated fair value. The current PB Ratio is 2.73, which is 86% above median its 10-year median of 1.47 and 20.3% above the Industrial Products industry median of 2.27. Ocean Power Technologies' overall GF Score™ is 43/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Ocean Power Technologies (OPTT), the current PB Ratio is 2.73 as of Jun. 26, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Ocean Power Technologies (OPTT) Overvalued in 2026?
Based on GuruFocus' analysis, Ocean Power Technologies stock appears to be overvalued.
The current stock price of $0.25 is trading 81.4% above its estimated GF Value™ of $0.14.
GuruFocus considers Ocean Power Technologies to be Significantly Overvalued.
Key valuation signals for OPTT:
PB Ratio: 2.73 (86% above median its 10-year median of 1.47)
GF Value™: $0.14 vs. price of $0.25 (81.4% above fair value)
Industry Position: 20.3% above the Industrial Products median (#1725 of 2986)
No single metric tells the full story. See the OPTT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ocean Power Technologies Inc provides intelligent maritime solutions and services that enable safer, cleaner, and more productive ocean operations for the defense and security, oil and gas, science and research, and offshore wind markets. It provides ocean data collection and reporting, marine power, offshore communications, and Maritime Domain Awareness System (MDAS) products, integrated solutions, and consulting services. The company offers its products and services to a wide range of customers, including those in government and offshore energy, oil and gas, construction, wind power, and other industries. The company has operations in North and South America, Europe, Asia and Australia.
43GF Score
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