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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.
As of today (2026-09-09), the stock price of Potens Semiconductor is NT$150.00. Potens Semiconductor's graham number for the quarter that ended in Jun. 2026 was NT$94.49. Therefore, Potens Semiconductor's Price to Graham Number ratio for today is 1.59.
The historical rank and industry rank for Potens Semiconductor's Graham Number or its related term are showing as below:
ROCO:7712'
s Price-to-Graham-Number Range Over the Past 10 Years
Min: 1.01 Med: 1.7 Max: 2.92
Current: 1.59
During the past 5 years, the highest Price to Graham Number ratio of Potens Semiconductor was 2.92. The lowest was 1.01. And the median was 1.70.
ROCO:7712's Price-to-Graham-Number is ranked better than 68.98% of 693
companies
in the Semiconductors industry
Industry Median: 2.51
vs ROCO:7712: 1.59
Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.
Potens Semiconductor (ROCO:7712) 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.
Potens Semiconductor's Price to Graham number Ratio for today is calculated as
Price to Graham number
=
Share Price (Today)
/
Graham number (Q: Jun. 2026 )
=
150.00
/
94.49
=
1.59
* 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.
Potens Semiconductor Graham Number Related Terms
Potens Semiconductor Graham Number Historical Data
* Premium members only.
The historical data trend for Potens Semiconductor's Graham Number 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.
ROCO:7712 vs NVDA, AVGO, MU: Graham Number Comparison
For the Semiconductors subindustry, Potens Semiconductor'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.
Potens Semiconductor Price-to-Graham-Number vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Potens Semiconductor's Price-to-Graham-Number distribution charts can be found below:
* The bar in red indicates where Potens Semiconductor'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.
Potens Semiconductor (ROCO:7712) has a Graham Number of NT$94.49 as of Jun. 2026. The Graham Number values a company based on its per-share earnings and book value. View historical data on Potens Semiconductor and its competitors. According to the industry distribution chart, Potens Semiconductor ranks #215 out of 693 companies in the Semiconductors industry, placing it in the top 31%.
Is Potens Semiconductor's Graham Number too high?
Potens Semiconductor's current Graham Number is NT$94.49. Based on the distribution chart, Potens Semiconductor ranks #215 out of 693 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Potens Semiconductor has a GF Score™ of 50/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Potens Semiconductor's Graham Number compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Potens Semiconductor ranks #215 out of 693 companies for Graham Number. This puts Potens Semiconductor in the upper half of its industry. The industry median Graham Number is 2.51. 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 2.51, based on 693 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 Potens Semiconductor and its competitors. For the Semiconductors industry, the median Graham Number is 2.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Potens Semiconductor's current Graham Number is NT$94.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Potens Semiconductor stock overvalued right now?
Based on GuruFocus' analysis, Potens Semiconductor (ROCO:7712) is currently considered Fairly Valued. The stock's GF Value™ is NT$144.90, compared to a current price of NT$150.00 — trading 3.5% above its estimated fair value. The current Graham Number is NT$94.49. Potens Semiconductor's overall GF Score™ is 50/100 with 2 warning signs 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 Potens Semiconductor (ROCO:7712), the current Graham Number is NT$94.49 as of Jun. 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 Potens Semiconductor (ROCO:7712) Overvalued in 2026?
Based on GuruFocus' analysis, Potens Semiconductor stock appears to be overvalued.
The current stock price of NT$150.00 is trading 3.5% above its estimated GF Value™ of NT$144.90.
GuruFocus considers Potens Semiconductor to be Fairly Valued.
Key valuation signals for ROCO:7712:
Graham Number: NT$94.49
GF Value™: NT$144.90 vs. price of NT$150.00 (3.5% above fair value)
No single metric tells the full story. See the ROCO:7712 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Potens Semiconductor Corp is a company that develops IC design with high-efficiency power components. Consumer medium and low voltage MOSFETs, industrial high voltage and high power IGBTs, Super Junction and advance GaN/SiC raw material process products are all within the product range produced and developed by Bosheng Semiconductor. The company's product line research and development is widely used in consumer, communications, industrial, and automotive applications. For example: 5G applications, fully autonomous vehicles, wireless power transmission, cloud data centers, etc. The reportable operating segment of the Group is mainly involved in the manufacturing of electronic components.
50GF Score
Get the complete analysis for ROCO:7712
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