Kingray Technology Co (ROCO:6787) Graham Number: NT$N/A (As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCO:6787 Kingray Technology Co Ltd ROCO:6787
74 GF Score
Price NT$26.10
GF Value NT$53.46
Valuation Significantly Undervalued
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What is Kingray Technology Co Graham Number?

Kingray Technology Co ROCO:6787 -6.12% 74 Graham Number is NT$N/A as of Jun. 2026. GuruFocus rates ROCO:6787 with a GF Score™ of 74/100 and a GF Value™ of NT$53.46 (Significantly Undervalued). Among 693 Semiconductors companies, Kingray Technology Co ranks worse than 144300% 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.

As of today (2026-09-13), the stock price of Kingray Technology Co is NT$26.10. Kingray Technology Co's graham number for the quarter that ended in Jun. 2026 was NT$N/A. Therefore, Kingray Technology Co's Price to Graham Number ratio for today is N/A.

The historical rank and industry rank for Kingray Technology Co's Graham Number or its related term are showing as below:

ROCO:6787's Price-to-Graham-Number is not ranked *
in the Semiconductors industry.
Industry Median: 2.53
* Ranked among companies with meaningful Price-to-Graham-Number only.

Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.


Kingray Technology Co  (ROCO:6787) 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.

Kingray Technology Co's Price to Graham number Ratio for today is calculated as

Price to Graham number=Share Price (Today)/Graham number (Q: Jun. 2026 )
=26.10/N/A
=N/A

* 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.


Kingray Technology Co Graham Number Related Terms


Kingray Technology Co Graham Number Historical Data

* Premium members only.

The historical data trend for Kingray Technology Co'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.

Kingray Technology Co Graham Number Chart

Kingray Technology Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Graham Number
Get a 7-Day Free Trial Premium Member Only 0.00 0.00 0.00 0.00 0.00

Kingray Technology Co Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
Graham Number Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

ROCO:6787 vs LRCX, AMAT, KLAC: Graham Number Comparison

For the Semiconductor Equipment & Materials subindustry, Kingray Technology Co'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.


Kingray Technology Co Price-to-Graham-Number vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Kingray Technology Co's Price-to-Graham-Number distribution charts can be found below:

* The bar in red indicates where Kingray Technology Co's Price-to-Graham-Number falls into.


ROCO:6787
74GF Score
Kingray Technology Co Ltd ROCO:6787
Graham Number is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Kingray Technology Co Graham Number Calculation

Graham Number is a concept based on Ben Graham's conservative valuation of companies.

Kingray Technology Co's Graham Number for the fiscal year that ended in Dec. 2025 is calculated as

Graham Number
=sqrt of (22.5* Tangible Book per Share *EPS without NRI)
=sqrt of (22.5*6.638*-2.634)
=N/A

Kingray Technology Co's Graham Number for the quarter that ended in Jun. 2026 is calculated as

Graham Number
=sqrt of (22.5*Tangible Book per Share*EPS without NRI (TTM))
=sqrt of (22.5*6.024*-2.716)
=N/A

* 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.

Frequently Asked Questions Learn more about Graham Number →
What does a Graham Number of NT$N/A mean?
Kingray Technology Co (ROCO:6787) has a Graham Number of NT$N/A as of Jun. 2026. The Graham Number values a company based on its per-share earnings and book value. View historical data on Kingray Technology Co and its competitors. According to the industry distribution chart, Kingray Technology Co ranks #999999 out of 693 companies in the Semiconductors industry.
Is Kingray Technology Co's Graham Number too high?
Kingray Technology Co's current Graham Number is NT$N/A. Based on the distribution chart, Kingray Technology Co ranks #999999 out of 693 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Kingray Technology Co has a GF Score™ of 74/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Kingray Technology Co's Graham Number compare to LRCX and AMAT?
According to the Semiconductors industry distribution chart, Kingray Technology Co ranks #999999 out of 693 companies for Graham Number. This places Kingray Technology Co in the lower half of its industry. The industry median Graham Number is 2.53. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Graham Number for a Semiconductors company?
The median Graham Number among Semiconductors companies is 2.53, based on 693 companies in the industry. Companies in the top quartile (top 25%) have a Graham Number significantly above this median, while those in the bottom quartile fall well below. However, Graham Number should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Graham Number mean?
A high Graham Number can signal that a stock is expensive relative to its fundamentals. The Graham Number values a company based on its per-share earnings and book value. View historical data on Kingray Technology Co and its competitors. For the Semiconductors industry, the median Graham Number is 2.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kingray Technology Co's current Graham Number is NT$N/A. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kingray Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Kingray Technology Co (ROCO:6787) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$53.46, compared to a current price of NT$26.10 — trading 51.2% below its estimated fair value. The current Graham Number is NT$N/A. Kingray Technology Co's overall GF Score™ is 74/100. 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 Kingray Technology Co (ROCO:6787), the current Graham Number is NT$N/A 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 Kingray Technology Co (ROCO:6787) Overvalued in 2026?

Based on GuruFocus' analysis, Kingray Technology Co stock appears to be undervalued. The current stock price of NT$26.10 is trading 51.2% below its estimated GF Value™ of NT$53.46. GuruFocus considers Kingray Technology Co to be Significantly Undervalued.

Key valuation signals for ROCO:6787:

  • Graham Number: NT$N/A
  • GF Value™: NT$53.46 vs. price of NT$26.10 (51.2% below fair value)
  • GF Score™: 74/100

No single metric tells the full story. See the ROCO:6787 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Kingray Technology Co Business Description

Address No. 256, Daming Road, Jilinli, Zhudong Town, Hsinchu County, TWN, 31042
Kingray Technology Co Ltd is focused on the business of optical instruments, electronic components and precision equipment manufacturing, and international trade industry, electronic materials wholesale and retail industry, etc.
74GF Score

Get the complete analysis for ROCO:6787

Graham Number is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$26.10
Price
NT$53.46
GF Value