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 (2026-07-03), the stock price of Celsia Colombia ESP is COP18905.00. Celsia Colombia ESP's graham number for the quarter that ended in Dec. 2025 was COP18,298.48. Therefore, Celsia Colombia ESP's Price to Graham Number ratio for today is 1.11.
The historical rank and industry rank for Celsia Colombia ESP's Graham Number or its related term are showing as below:
BOG:CSACOL'
s Price-to-Graham-Number Range Over the Past 10 Years
Min: 0.78 Med: 1.05 Max: 1.42
Current: 1.14
During the past 13 years, the highest Price to Graham Number ratio of Celsia Colombia ESP was 1.42. The lowest was 0.78. And the median was 1.05.
Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.
Celsia Colombia ESP (BOG:CSACOL) 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.
Celsia Colombia ESP's Price to Graham number Ratio for today is calculated as
Price to Graham number
=
Share Price (Today)
/
Graham number (Q: Dec. 2025 )
=
18905.00
/
17,103.44
=
1.11
* 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.
Celsia Colombia ESP Graham Number Related Terms
Celsia Colombia ESP Graham Number Historical Data
* Premium members only.
The historical data trend for Celsia Colombia ESP'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 Utilities - Renewable subindustry, Celsia Colombia ESP'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.
Celsia Colombia ESP Price-to-Graham-Number vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Celsia Colombia ESP's Price-to-Graham-Number distribution charts can be found below:
* The bar in red indicates where Celsia Colombia ESP'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.
Celsia Colombia ESP (BOG:CSACOL) has a Graham Number of COP18,298.48 as of Dec. 2025. The Graham Number values a company based on its per-share earnings and book value. View historical data on Celsia Colombia ESP and its competitors. This is 1742612% above median its historical median of 1.05. Over the past decade, Celsia Colombia ESP's Graham Number has ranged from 0.78 to 1.42.
Is Celsia Colombia ESP's Graham Number too high?
Celsia Colombia ESP's current Graham Number of COP18,298.48 is 1742612% above median its 10-year median of 1.05. Over the past 10 years, this metric has ranged from a low of 0.78 to a high of 1.42. Overall, Celsia Colombia ESP has a GF Score™ of 17/100, reflecting its overall financial health beyond just this single metric.
How does Celsia Colombia ESP's Graham Number compare to BE?
Celsia Colombia ESP's Graham Number of COP18,298.48 can be compared against companies in the Utilities - Independent Power Producers industry. The industry median Graham Number is 1.13. Historically, Celsia Colombia ESP's own Graham Number has ranged from 0.78 to 1.42 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 an Utilities - Independent Power Producers company?
The median Graham Number among Utilities - Independent Power Producers companies is 1.13, based on 272 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 Celsia Colombia ESP and its competitors. For the Utilities - Independent Power Producers industry, the median Graham Number is 1.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Celsia Colombia ESP's current Graham Number is COP18,298.48, which is 1742612% above median its own 10-year median of 1.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Celsia Colombia ESP stock overvalued right now?
Celsia Colombia ESP (BOG:CSACOL) has a current Graham Number of COP18,298.48. The stock's GF Value™ is COP25,497.79, compared to a current price of COP18,905.00 — trading 25.9% below its estimated fair value. The current Graham Number is COP18,298.48, which is 1742612% above median its 10-year median of 1.05. Celsia Colombia ESP's overall GF Score™ is 17/100 with 9 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 Celsia Colombia ESP (BOG:CSACOL), the current Graham Number is COP18,298.48 as of Dec. 2025. 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 Celsia Colombia ESP (BOG:CSACOL) Overvalued in 2026?
Based on GuruFocus' analysis, Celsia Colombia ESP stock appears to be undervalued.
The current stock price of COP18,905.00 is trading 25.9% below its estimated GF Value™ of COP25,497.79.
Key valuation signals for BOG:CSACOL:
Graham Number: COP18,298.48 (1742612% above median its 10-year median of 1.05)
GF Value™: COP25,497.79 vs. price of COP18,905.00 (25.9% below fair value)
No single metric tells the full story. See the BOG:CSACOL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Celsia Colombia SA ESP is engaged in the generation of hydroelectric energy. The company engages in generation, transmission, distribution, and sale of electricity. Its power generation plants include Run-of-the-river that uses river's flow to generate electricity; and Reservoir that generates energy through stored water. The company's produced electricity is sold to wholesale markets (energy market), regulated market (small consumers) and non-regulated market (large consumers). Revenue for the company is derived from the production and sale of electricity.
17GF Score
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