Ptt PCLPUTRF -17.06%80 Graham Number is $1.64 as of Mar. 2026, which is 86% above its 10-year median of 0.88. GuruFocus rates PUTRF with a GF Score™ of 80/100 and a GF Value™ of $0.70. The stock has 7 warning signs investors should review. Among 607 Oil & Gas companies, Ptt PCL ranks better than 73.48% 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 (2026-07-05), the stock price of Ptt PCL is $0.86951. Ptt PCL's graham number for the quarter that ended in Mar. 2026 was $1.64. Therefore, Ptt PCL's Price to Graham Number ratio for today is 0.53.
The historical rank and industry rank for Ptt PCL's Graham Number or its related term are showing as below:
PUTRF'
s Price-to-Graham-Number Range Over the Past 10 Years
Min: 0.56 Med: 0.88 Max: 1.83
Current: 0.7
During the past 13 years, the highest Price to Graham Number ratio of Ptt PCL was 1.83. The lowest was 0.56. And the median was 0.88.
PUTRF's Price-to-Graham-Number is ranked better than 73.48% of 607
companies
in the Oil & Gas industry
Industry Median: 1.04
vs PUTRF: 0.70
Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.
Ptt PCL (OTCPK:PUTRF) 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.
Ptt PCL's Price to Graham number Ratio for today is calculated as
Price to Graham number
=
Share Price (Today)
/
Graham number (Q: Mar. 2026 )
=
0.86951
/
1.64
=
0.53
* 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.
Ptt PCL Graham Number Related Terms
Ptt PCL Graham Number Historical Data
* Premium members only.
The historical data trend for Ptt PCL'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.
For the Oil & Gas Integrated subindustry, Ptt 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.
Ptt PCL Price-to-Graham-Number vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Ptt PCL's Price-to-Graham-Number distribution charts can be found below:
* The bar in red indicates where Ptt 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.
Ptt PCL (PUTRF) has a Graham Number of $1.64 as of Mar. 2026. The Graham Number values a company based on its per-share earnings and book value. View historical data on Ptt PCL and its competitors. This is 86% above median its historical median of 0.88. Over the past decade, Ptt PCL's Graham Number has ranged from 0.56 to 1.83. According to the industry distribution chart, Ptt PCL ranks #161 out of 607 companies in the Oil & Gas industry, placing it in the top 26.5%.
Is Ptt PCL's Graham Number too high?
Ptt PCL's current Graham Number of $1.64 is 86% above median its 10-year median of 0.88. Over the past 10 years, this metric has ranged from a low of 0.56 to a high of 1.83. The Oil & Gas industry median Graham Number is 1.04. Ptt PCL's value of $1.64 is 57.7% above this industry median. Based on the distribution chart, Ptt PCL ranks #161 out of 607 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Ptt PCL has a GF Score™ of 80/100, reflecting its overall financial health beyond just this single metric.
How does Ptt PCL's Graham Number compare to XOM and CVX?
According to the Oil & Gas industry distribution chart, Ptt PCL ranks #161 out of 607 companies for Graham Number. This puts Ptt PCL in the upper half of its industry. The industry median Graham Number is 1.04. Ptt PCL's value of $1.64 is 57.7% above this benchmark. Historically, Ptt PCL's own Graham Number has ranged from 0.56 to 1.83 over the past decade. While the company's 10-year median is 0.88 vs. the industry median of 1.04, Ptt PCL has consistently been above 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 Graham Number for an Oil & Gas company?
The median Graham Number among Oil & Gas companies is 1.04, based on 607 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. Ptt PCL's current Graham Number of $1.64 is 57.7% above 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 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 Ptt PCL and its competitors. For the Oil & Gas industry, the median Graham Number is 1.04 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ptt PCL's current Graham Number is $1.64, which is 86% above median its own 10-year median of 0.88. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ptt PCL stock overvalued right now?
Ptt PCL (PUTRF) has a current Graham Number of $1.64. The stock's GF Value™ is $0.70, compared to a current price of $0.87 — trading 24.2% above its estimated fair value. The current Graham Number is $1.64, which is 86% above median its 10-year median of 0.88 and 57.7% above the Oil & Gas industry median of 1.04. Ptt PCL's overall GF Score™ is 80/100 with 7 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 Ptt PCL (PUTRF), the current Graham Number is $1.64 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 Ptt PCL (PUTRF) Overvalued in 2026?
Based on GuruFocus' analysis, Ptt PCL stock appears to be overvalued.
The current stock price of $0.87 is trading 24.2% above its estimated GF Value™ of $0.70.
Key valuation signals for PUTRF:
Graham Number: $1.64 (86% above median its 10-year median of 0.88)
GF Value™: $0.70 vs. price of $0.87 (24.2% above fair value)
Industry Position: 57.7% above the Oil & Gas median (#161 of 607)
No single metric tells the full story. See the PUTRF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ptt PCL is an integrated national petroleum and petrochemical company based out of Thailand. The Group is organized into business groups based on types of products and services. The segments of the Group are Upstream petroleum and Natural gas business group which is further divided into Petroleum exploration and production business and Natural gas business. Downstream petroleum business group is divided into Oil and retail business; International trading business and Petrochemical and Refining business. New business and sustainability group includes emphasis on decarbonization to achieve the Net Zero Emission.
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