Alpha & Omega Semiconductor Ltd stock PB Ratio (=1.71) is close to 3-year high of 1.8.
The historical rank and industry rank for Alpha & Omega Semiconductor's PB Ratio or its related term are showing as below:
MEX:AOSLN'
s PB Ratio Range Over the Past 10 Years
Min: 0.49 Med: 1.13 Max: 3.63
Current: 1.71
During the past 13 years, Alpha & Omega Semiconductor's highest PB Ratio was 3.63. The lowest was 0.49. And the median was 1.13.
MEX:AOSLN's PB Ratio is ranked better than 76.4% of 1000
companies
in the Semiconductors industry
Industry Median: 3.765
vs MEX:AOSLN: 1.71
During the past 12 months, Alpha & Omega Semiconductor's average Book Value Per Share Growth Rate was -10.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -4.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 20.90% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 13.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Alpha & Omega Semiconductor was 77.00% per year. The lowest was -4.20% per year. And the median was 3.70% per year.
Back to Basics: PB Ratio
Alpha & Omega Semiconductor (MEX:AOSLN) 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.
Alpha & Omega Semiconductor PB Ratio Related Terms
Alpha & Omega Semiconductor PB Ratio Historical Data
* 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 Semiconductors subindustry, Alpha & Omega Semiconductor'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.
Alpha & Omega Semiconductor PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Alpha & Omega Semiconductor's PB Ratio distribution charts can be found below:
* The bar in red indicates where Alpha & Omega Semiconductor'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.
Alpha & Omega Semiconductor (MEX:AOSLN) has a PB Ratio of 1.68 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 Alpha & Omega Semiconductor and its competitors. This is 49% above median its historical median of 1.13. Over the past decade, Alpha & Omega Semiconductor's PB Ratio has ranged from 0.49 to 3.63. According to the industry distribution chart, Alpha & Omega Semiconductor ranks #236 out of 1000 companies in the Semiconductors industry, placing it in the top 23.6%.
Is Alpha & Omega Semiconductor's PB Ratio too high?
Alpha & Omega Semiconductor's current PB Ratio of 1.68 is 49% above median its 10-year median of 1.13. Over the past 10 years, this metric has ranged from a low of 0.49 to a high of 3.63. The Semiconductors industry median PB Ratio is 3.77. Alpha & Omega Semiconductor's value of 1.68 is 55.4% below this industry median. Based on the distribution chart, Alpha & Omega Semiconductor ranks #236 out of 1000 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Alpha & Omega Semiconductor has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Alpha & Omega Semiconductor's PB Ratio compare to CEVA and AIP?
According to the Semiconductors industry distribution chart, Alpha & Omega Semiconductor ranks #236 out of 1000 companies for PB Ratio. This places Alpha & Omega Semiconductor in the top 24% of its industry — outperforming the majority of peers. The industry median PB Ratio is 3.77. Alpha & Omega Semiconductor's value of 1.68 is 55.4% below this benchmark. Historically, Alpha & Omega Semiconductor's own PB Ratio has ranged from 0.49 to 3.63 over the past decade. While the company's 10-year median is 1.13 vs. the industry median of 3.77, Alpha & Omega Semiconductor has consistently been below 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 1,000 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. Alpha & Omega Semiconductor's current PB Ratio of 1.68 is 55.4% below 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 Alpha & Omega Semiconductor 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. Alpha & Omega Semiconductor's current PB Ratio is 1.68, which is 49% above median its own 10-year median of 1.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alpha & Omega Semiconductor stock overvalued right now?
Based on GuruFocus' analysis, Alpha & Omega Semiconductor (MEX:AOSLN) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN474.66, compared to a current price of MXN810.00 — trading 70.6% above its estimated fair value. The current PB Ratio is 1.68, which is 49% above median its 10-year median of 1.13 and 55.4% below the Semiconductors industry median of 3.77. Alpha & Omega Semiconductor's overall GF Score™ is 62/100 with 7 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 Alpha & Omega Semiconductor (MEX:AOSLN), the current PB Ratio is 1.68 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 Alpha & Omega Semiconductor (MEX:AOSLN) Overvalued in 2026?
Based on GuruFocus' analysis, Alpha & Omega Semiconductor stock appears to be overvalued.
The current stock price of MXN810.00 is trading 70.6% above its estimated GF Value™ of MXN474.66.
GuruFocus considers Alpha & Omega Semiconductor to be Significantly Overvalued.
Key valuation signals for MEX:AOSLN:
PB Ratio: 1.68 (49% above median its 10-year median of 1.13)
GF Value™: MXN474.66 vs. price of MXN810.00 (70.6% above fair value)
Industry Position: 55.4% below the Semiconductors median (#236 of 1000)
No single metric tells the full story. See the MEX:AOSLN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alpha & Omega Semiconductor Ltd designs, develops and supplies a portfolio of power semiconductors targeting various applications, including personal computers, flat-panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment. It generates revenue mainly from the sale of power semiconductors, consisting of power discretes and power ICs with a presence in Hong Kong, China, South Korea, the United States and other countries. It operates in one operating segment: the design, development and supply of power semiconductor products for computing, consumer electronics, communication and industrial applications.
62GF Score
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