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.
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 Wattanapat Hospital Trang PCL's Graham Number or its related term are showing as below:
BKK:WPH-R'
s Price-to-Graham-Number Range Over the Past 10 Years
Min: 0.67 Med: 1.77 Max: 3.7
Current: 1.04
During the past 12 years, the highest Price to Graham Number ratio of Wattanapat Hospital Trang PCL was 3.70. The lowest was 0.67. And the median was 1.77.
BKK:WPH-R's Price-to-Graham-Number is ranked better than 74.46% of 372
companies
in the Healthcare Providers & Services industry
Industry Median: 1.61
vs BKK:WPH-R: 1.04
Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.
Wattanapat Hospital Trang PCL (BKK:WPH-R) 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.
Wattanapat Hospital Trang PCL's Price to Graham number Ratio for today is calculated as
Price to Graham number
=
Share Price (Today)
/
Graham number (Q: Jun. 2026 )
=
5.82742
/
5.65
=
1.03
* 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.
Wattanapat Hospital Trang PCL Graham Number Related Terms
Wattanapat Hospital Trang PCL 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.
BKK:WPH-R vs HCA, THC, DVA: Graham Number Comparison
For the Medical Care Facilities subindustry, Wattanapat Hospital Trang PCL'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.
Wattanapat Hospital Trang PCL Price-to-Graham-Number vs Healthcare Providers & Services Industry
For the Healthcare Providers & Services industry and Healthcare sector, Wattanapat Hospital Trang PCL's Price-to-Graham-Number distribution charts can be found below:
* The bar in red indicates where Wattanapat Hospital Trang PCL'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.
Wattanapat Hospital Trang PCL (BKK:WPH-R) has a Graham Number of ฿5.65 as of Jun. 2026. The Graham Number values a company based on its per-share earnings and book value. View historical data on Wattanapat Hospital Trang PCL and its competitors. According to the industry distribution chart, Wattanapat Hospital Trang PCL ranks #95 out of 372 companies in the Healthcare Providers & Services industry, placing it in the top 25.5%.
Is Wattanapat Hospital Trang PCL's Graham Number too high?
Wattanapat Hospital Trang PCL's current Graham Number is ฿5.65. Based on the distribution chart, Wattanapat Hospital Trang PCL ranks #95 out of 372 companies in the Healthcare Providers & Services industry, which is above the industry midpoint. Overall, Wattanapat Hospital Trang PCL has a GF Score™ of 81/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Wattanapat Hospital Trang PCL's Graham Number compare to HCA and THC?
According to the Healthcare Providers & Services industry distribution chart, Wattanapat Hospital Trang PCL ranks #95 out of 372 companies for Graham Number. This puts Wattanapat Hospital Trang PCL in the upper half of its industry. The industry median Graham Number is 1.61. 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 Healthcare Providers & Services company?
The median Graham Number among Healthcare Providers & Services companies is 1.61, based on 372 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 Wattanapat Hospital Trang PCL and its competitors. For the Healthcare Providers & Services industry, the median Graham Number is 1.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Wattanapat Hospital Trang PCL's current Graham Number is ฿5.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Wattanapat Hospital Trang PCL stock overvalued right now?
Based on GuruFocus' analysis, Wattanapat Hospital Trang PCL (BKK:WPH-R) is currently considered Significantly Undervalued. The stock's GF Value™ is ฿9.50, compared to a current price of ฿5.83 — trading 38.7% below its estimated fair value. The current Graham Number is ฿5.65. Wattanapat Hospital Trang PCL's overall GF Score™ is 81/100 with 3 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 Wattanapat Hospital Trang PCL (BKK:WPH-R), the current Graham Number is ฿5.65 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 Wattanapat Hospital Trang PCL (BKK:WPH-R) Overvalued in 2026?
Based on GuruFocus' analysis, Wattanapat Hospital Trang PCL stock appears to be undervalued.
The current stock price of ฿5.83 is trading 38.7% below its estimated GF Value™ of ฿9.50.
GuruFocus considers Wattanapat Hospital Trang PCL to be Significantly Undervalued.
Key valuation signals for BKK:WPH-R:
Graham Number: ฿5.65
GF Value™: ฿9.50 vs. price of ฿5.83 (38.7% below fair value)
No single metric tells the full story. See the BKK:WPH-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Wattanapat Hospital Trang PCL Ltd is engaged in medical services. Its operations are carried on only in Thailand. The company offers a range of services including Orthopedic Clinic, Neurosurgery Clinic, Neurology and Brain Clinic, Surgical Clinic, Heart Clinic, Internal Medicine Clinic, Obstetrics and Gynecology Clinic, Gastrointestinal and Liver Clinic, Children's Clinic, Eye Clinic, ENT Clinic, Dental Clinic, Dermatology and Beauty Clinic, Health Promotion Center, Other Centers and Clinics.
81GF Score
Get the complete analysis for BKK:WPH-R
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
BKK:WPH-R has been successfully added to your 
