Aehr Test SystemsFRA:AYB -20.10%68 PB Ratio is 15.81 as of Jul. 03, 2026, which is 240% above its 10-year median of 4.65. GuruFocus rates FRA:AYB with a GF Score™ of 68/100 and a GF Value™ of €13.00 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 999 Semiconductors companies, Aehr Test Systems ranks worse than 92.19% on this metric.
The historical rank and industry rank for Aehr Test Systems's PB Ratio or its related term are showing as below:
FRA:AYB'
s PB Ratio Range Over the Past 10 Years
Min: 1.37 Med: 4.65 Max: 67.18
Current: 15.04
During the past 13 years, Aehr Test Systems's highest PB Ratio was 67.18. The lowest was 1.37. And the median was 4.65.
FRA:AYB's PB Ratio is ranked worse than 92.19% of 999
companies
in the Semiconductors industry
Industry Median: 3.77
vs FRA:AYB: 15.04
During the past 12 months, Aehr Test Systems's average Book Value Per Share Growth Rate was 7.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 29.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 58.50% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Aehr Test Systems was 99.70% per year. The lowest was -39.00% per year. And the median was -9.60% per year.
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.
Aehr Test Systems PB Ratio Related Terms
Aehr Test Systems PB Ratio Historical Data
* Premium members only.
The historical data trend for Aehr Test Systems's PB Ratio can be seen below:
* 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 Semiconductor Equipment & Materials subindustry, Aehr Test Systems'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.
Aehr Test Systems PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Aehr Test Systems's PB Ratio distribution charts can be found below:
* The bar in red indicates where Aehr Test Systems'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.
Aehr Test Systems (FRA:AYB) has a PB Ratio of 15.81 as of Jul. 03, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Aehr Test Systems and its competitors. This is 240% above median its historical median of 4.65. Over the past decade, Aehr Test Systems' PB Ratio has ranged from 1.37 to 67.18. According to the industry distribution chart, Aehr Test Systems ranks #921 out of 999 companies in the Semiconductors industry, placing it in the top 92.2%.
Is Aehr Test Systems' PB Ratio too high?
Aehr Test Systems' current PB Ratio of 15.81 is 240% above median its 10-year median of 4.65. Over the past 10 years, this metric has ranged from a low of 1.37 to a high of 67.18. The Semiconductors industry median PB Ratio is 3.77. Aehr Test Systems' value of 15.81 is 319.4% above this industry median. Based on the distribution chart, Aehr Test Systems ranks #921 out of 999 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Aehr Test Systems has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Aehr Test Systems' PB Ratio compare to COHU and AMBA?
According to the Semiconductors industry distribution chart, Aehr Test Systems ranks #921 out of 999 companies for PB Ratio. This places Aehr Test Systems in the lower half of its industry. The industry median PB Ratio is 3.77. Aehr Test Systems' value of 15.81 is 319.4% above this benchmark. Historically, Aehr Test Systems' own PB Ratio has ranged from 1.37 to 67.18 over the past decade. While the company's 10-year median is 4.65 vs. the industry median of 3.77, Aehr Test Systems 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 a Semiconductors company?
The median PB Ratio among Semiconductors companies is 3.77, based on 999 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. Aehr Test Systems's current PB Ratio of 15.81 is 319.4% 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 Aehr Test Systems and its competitors. For the Semiconductors industry, the median PB Ratio is 3.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aehr Test Systems's current PB Ratio is 15.81, which is 240% above median its own 10-year median of 4.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aehr Test Systems stock overvalued right now?
Based on GuruFocus' analysis, Aehr Test Systems (FRA:AYB) is currently considered Significantly Overvalued. The stock's GF Value™ is €13.00, compared to a current price of €59.96 — trading 361.2% above its estimated fair value. The current PB Ratio is 15.81, which is 240% above median its 10-year median of 4.65 and 319.4% above the Semiconductors industry median of 3.77. Aehr Test Systems' overall GF Score™ is 68/100 with 5 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 Aehr Test Systems (FRA:AYB), the current PB Ratio is 15.81 as of Jul. 03, 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 Aehr Test Systems (FRA:AYB) Overvalued in 2026?
Based on GuruFocus' analysis, Aehr Test Systems stock appears to be overvalued.
The current stock price of €59.96 is trading 361.2% above its estimated GF Value™ of €13.00.
GuruFocus considers Aehr Test Systems to be Significantly Overvalued.
Key valuation signals for FRA:AYB:
PB Ratio: 15.81 (240% above median its 10-year median of 4.65)
GF Value™: €13.00 vs. price of €59.96 (361.2% above fair value)
Industry Position: 319.4% above the Semiconductors median (#921 of 999)
No single metric tells the full story. See the FRA:AYB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aehr Test Systems is engaged in test systems for burning-in and testing logic, optical, and memory integrated circuits. Increased quality and reliability needs of the Automotive and Mobility integrated circuit markets. The Company operates in one business segment, the designing, manufacturing, marketing and selling of advanced test and burn-in products to the semiconductor manufacturing industry in several geographic areas. The company provides production solutions across the product manufacturing flow to improve yield and reliability and has developed and introduced several inventive products, including the ABTSTM and FOX-PTM families of test and burn-in systems and FOX WaferPakTM Aligner, FOX-XP WaferPak Contactor, FOX DiePak Carrier and FOX DiePak Loader.
68GF Score
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