Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Advanced Power ElectronicsTPE:8261 -7.77%79 Graham Number is NT$82.00 as of Mar. 2026, which is 100% below its 10-year median of 1.34. GuruFocus rates TPE:8261 with a GF Score™ of 79/100 and a GF Value™ of NT$89.08 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 642 Semiconductors companies, Advanced Power Electronics ranks better than 61.68% on this metric.
Graham Number is a figure that measures a stock's fundamental value by taking into account the company's earnings per share and book value per share. The Graham number is the upper bound of the price range that a defensive investor should pay for the stock. According to the theory, any stock price below the Graham number is considered undervalued, and thus worth investing in.
The historical rank and industry rank for Advanced Power Electronics's Graham Number or its related term are showing as below:
TPE:8261'
s Price-to-Graham-Number Range Over the Past 10 Years
Min: 0.99 Med: 1.34 Max: 3.18
Current: 2.1
During the past 13 years, the highest Price to Graham Number ratio of Advanced Power Electronics was 3.18. The lowest was 0.99. And the median was 1.34.
TPE:8261's Price-to-Graham-Number is ranked better than 61.68% of 642
companies
in the Semiconductors industry
Industry Median: 2.78
vs TPE:8261: 2.10
Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.
Advanced Power Electronics (TPE:8261) Graham Number Explanation
Ben Graham actually did not publish a formula like this. But he wrote in The Intelligent Investor (1948 version) regarding to the criteria for purchases:
Current price should not be more than 15 times average earnings of the past three years.
Current price should not be more than 1.5 times the book value last reported. However, a multiplier of earnings below 15 could justify a correspondingly higher multiplier of assets. As a rule of thumb we suggest that the product of the multiplier times the ratio of price to book value should not exceed 22.5. (This figure corresponds to 15 times earnings and 1.5 times book value. It would admit an issue selling at only 9 times earnings and 2.5 times asset value, etc.)
Unlike valuation methods such as DCF or Discounted Earnings, the Graham number does not take growth into the valuation. Unlike the valuation methods based on book value alone, it takes into account the earnings power. Therefore, the Graham Number is a combination of asset valuation and earnings power valuation.
In general, the Graham number is a very conservative way of valuing a stock. It cannot be applied to companies with negative book values.
Advanced Power Electronics's Price to Graham number Ratio for today is calculated as
Price to Graham number
=
Share Price (Today)
/
Graham number (Q: Mar. 2026 )
=
172.00
/
82.00
=
2.10
* 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.
Be Aware
Please keep these in mind:
1. Graham Number does not take growth into account. Therefore it underestimates the values of the companies that have good earnings growth. We feel that if the earnings per share grows more than 10% a year, Graham Number underestimates the value.
2. Graham Number punishes the companies that have temporarily low earnings. Therefore, an average of earnings makes more sense in the calculation of Graham Number.
3. Graham Numbers underestimates companies that are light with book.
Advanced Power Electronics Graham Number Related Terms
Advanced Power Electronics Graham Number 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.
TPE:8261 vs NVDA, AVGO, MU: Graham Number Comparison
For the Semiconductors subindustry, Advanced Power Electronics's Price-to-Graham-Number, along with its competitors' market caps and Price-to-Graham-Number 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.
Advanced Power Electronics Price-to-Graham-Number vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Advanced Power Electronics's Price-to-Graham-Number distribution charts can be found below:
* The bar in red indicates where Advanced Power Electronics's Price-to-Graham-Number falls into.
* 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.
Advanced Power Electronics (TPE:8261) has a Graham Number of NT$82.00 as of Mar. 2026. The Graham Number values a company based on its per-share earnings and book value. View historical data on Advanced Power Electronics and its competitors. This is 6019% above median its historical median of 1.34. Over the past decade, Advanced Power Electronics' Graham Number has ranged from 0.99 to 3.18. According to the industry distribution chart, Advanced Power Electronics ranks #246 out of 642 companies in the Semiconductors industry, placing it in the top 38.3%.
Is Advanced Power Electronics' Graham Number too high?
Advanced Power Electronics' current Graham Number of NT$82.00 is 6019% above median its 10-year median of 1.34. Over the past 10 years, this metric has ranged from a low of 0.99 to a high of 3.18. Based on the distribution chart, Advanced Power Electronics ranks #246 out of 642 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Advanced Power Electronics has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Advanced Power Electronics' Graham Number compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Advanced Power Electronics ranks #246 out of 642 companies for Graham Number. This puts Advanced Power Electronics in the upper half of its industry. The industry median Graham Number is 2.78. Historically, Advanced Power Electronics' own Graham Number has ranged from 0.99 to 3.18 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Graham Number for a Semiconductors company?
The median Graham Number among Semiconductors companies is 2.78, based on 642 companies in the industry. Companies in the top quartile (top 25%) have a Graham Number significantly above this median, while those in the bottom quartile fall well below. However, Graham Number should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Graham Number mean?
A high Graham Number can signal that a stock is expensive relative to its fundamentals. The Graham Number values a company based on its per-share earnings and book value. View historical data on Advanced Power Electronics and its competitors. For the Semiconductors industry, the median Graham Number is 2.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Advanced Power Electronics's current Graham Number is NT$82.00, which is 6019% above median its own 10-year median of 1.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advanced Power Electronics stock overvalued right now?
Based on GuruFocus' analysis, Advanced Power Electronics (TPE:8261) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$89.08, compared to a current price of NT$172.00 — trading 93.1% above its estimated fair value. The current Graham Number is NT$82.00, which is 6019% above median its 10-year median of 1.34. Advanced Power Electronics' overall GF Score™ is 79/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Graham Number calculated?
Graham Number is calculated from a company's financial statements. For Advanced Power Electronics (TPE:8261), the current Graham Number is NT$82.00 as of Mar. 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 Advanced Power Electronics (TPE:8261) Overvalued in 2026?
Based on GuruFocus' analysis, Advanced Power Electronics stock appears to be overvalued.
The current stock price of NT$172.00 is trading 93.1% above its estimated GF Value™ of NT$89.08.
GuruFocus considers Advanced Power Electronics to be Significantly Overvalued.
Key valuation signals for TPE:8261:
Graham Number: NT$82.00 (6019% above median its 10-year median of 1.34)
GF Value™: NT$89.08 vs. price of NT$172.00 (93.1% above fair value)
No single metric tells the full story. See the TPE:8261 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Advanced Power Electronics Corp, formerly Advance Power Electronics Co Ltd provides total solutions for new power requirements in MOSFETs, and IGBTs in Taiwan. It is mainly engaged in mainly deals with the design, testing, and trading, among others, of electronic elements, such as integrated circuits and semi-conductors. Geographically, the company operates in Taiwan, China and Others, of which it derives maximum revenue from Taiwan. The products of the company include: Power Mosfets; Super Junction; and Automotive. The company's products are broadly applied in the computing, consumer electronics, display, communications and industrial segments.
79GF Score
Get the complete analysis for TPE:8261
Graham Number is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TPE:8261 has been successfully added to your 
