Interconexion Electrica ESPIESFY 74 PB Ratio is 2.16 as of Jul. 01, 2026, which is 47% above its 10-year median of 1.47. GuruFocus rates IESFY with a GF Score™ of 74/100 and a GF Value™ of $156.13 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 504 Utilities - Regulated companies, Interconexion Electrica ESP ranks worse than 68.06% on this metric.
The historical rank and industry rank for Interconexion Electrica ESP's PB Ratio or its related term are showing as below:
IESFY'
s PB Ratio Range Over the Past 10 Years
Min: 0.91 Med: 1.47 Max: 2.44
Current: 1.93
During the past 13 years, Interconexion Electrica ESP's highest PB Ratio was 2.44. The lowest was 0.91. And the median was 1.47.
IESFY's PB Ratio is ranked worse than 68.06% of 504
companies
in the Utilities - Regulated industry
Industry Median: 1.405
vs IESFY: 1.93
During the past 12 months, Interconexion Electrica ESP's average Book Value Per Share Growth Rate was -0.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -1.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 6.00% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 8.20% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Interconexion Electrica ESP was 18.10% per year. The lowest was -1.20% per year. And the median was 8.00% per year.
Back to Basics: PB Ratio
Interconexion Electrica ESP (OTCPK:IESFY) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Interconexion Electrica ESP PB Ratio Related Terms
Interconexion Electrica ESP PB Ratio 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.
For the Utilities - Regulated Electric subindustry, Interconexion Electrica ESP's PB Ratio, along with its competitors' market caps and PB Ratio 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.
Interconexion Electrica ESP PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Interconexion Electrica ESP's PB Ratio distribution charts can be found below:
* The bar in red indicates where Interconexion Electrica ESP's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Interconexion Electrica ESP (IESFY) has a PB Ratio of 2.16 as of Jul. 01, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Interconexion Electrica ESP and its competitors. This is 47% above median its historical median of 1.47. Over the past decade, Interconexion Electrica ESP's PB Ratio has ranged from 0.91 to 2.44. According to the industry distribution chart, Interconexion Electrica ESP ranks #343 out of 504 companies in the Utilities - Regulated industry, placing it in the top 68.1%.
Is Interconexion Electrica ESP's PB Ratio too high?
Interconexion Electrica ESP's current PB Ratio of 2.16 is 47% above median its 10-year median of 1.47. Over the past 10 years, this metric has ranged from a low of 0.91 to a high of 2.44. The Utilities - Regulated industry median PB Ratio is 1.41. Interconexion Electrica ESP's value of 2.16 is 53.7% above this industry median. Based on the distribution chart, Interconexion Electrica ESP ranks #343 out of 504 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Interconexion Electrica ESP has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Interconexion Electrica ESP's PB Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Interconexion Electrica ESP ranks #343 out of 504 companies for PB Ratio. This places Interconexion Electrica ESP in the lower half of its industry. The industry median PB Ratio is 1.41. Interconexion Electrica ESP's value of 2.16 is 53.7% above this benchmark. Historically, Interconexion Electrica ESP's own PB Ratio has ranged from 0.91 to 2.44 over the past decade. While the company's 10-year median is 1.47 vs. the industry median of 1.41, Interconexion Electrica ESP 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 PB Ratio for an Utilities - Regulated company?
The median PB Ratio among Utilities - Regulated companies is 1.41, based on 504 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Interconexion Electrica ESP's current PB Ratio of 2.16 is 53.7% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Interconexion Electrica ESP and its competitors. For the Utilities - Regulated industry, the median PB Ratio is 1.41 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Interconexion Electrica ESP's current PB Ratio is 2.16, which is 47% above median its own 10-year median of 1.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Interconexion Electrica ESP stock overvalued right now?
Based on GuruFocus' analysis, Interconexion Electrica ESP (IESFY) is currently considered Significantly Overvalued. The stock's GF Value™ is $156.13, compared to a current price of $226.65 — trading 45.2% above its estimated fair value. The current PB Ratio is 2.16, which is 47% above median its 10-year median of 1.47 and 53.7% above the Utilities - Regulated industry median of 1.41. Interconexion Electrica ESP's overall GF Score™ is 74/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Interconexion Electrica ESP (IESFY), the current PB Ratio is 2.16 as of Jul. 01, 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 Interconexion Electrica ESP (IESFY) Overvalued in 2026?
Based on GuruFocus' analysis, Interconexion Electrica ESP stock appears to be overvalued.
The current stock price of $226.65 is trading 45.2% above its estimated GF Value™ of $156.13.
GuruFocus considers Interconexion Electrica ESP to be Significantly Overvalued.
Key valuation signals for IESFY:
PB Ratio: 2.16 (47% above median its 10-year median of 1.47)
GF Value™: $156.13 vs. price of $226.65 (45.2% above fair value)
Industry Position: 53.7% above the Utilities - Regulated median (#343 of 504)
No single metric tells the full story. See the IESFY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Interconexion Electrica SA ESP, also known as ISA, is a mixed public services company in which the Colombian state is a majority shareholder. Through its subsidiaries, ISA participates in a variety of infrastructure projects across South and Central America. The company segments its operations into Electric Power Transmission, Roads, Telecommunications and ICT. The company generates the majority of its revenue from its Energy Transmission division where it owns, operates, and maintains high-voltage power transmission systems.
74GF Score
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