IESFY (Interconexion Electrica ESP) FCF Margin %: -1.06% (As of Mar. 2026)


IESFY Interconexion Electrica SA ESP IESFY
74 GF Score
Price $226.65
GF Value $156.13
Valuation Significantly Overvalued
! 8 Warning Signs
View Full Analysis

What is Interconexion Electrica ESP FCF Margin %?

Interconexion Electrica ESP IESFY 74 FCF Margin % is -1.06% as of Mar. 2026. 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 501 Utilities - Regulated companies, Interconexion Electrica ESP ranks better than 50.1% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Interconexion Electrica ESP's Free Cash Flow for the three months ended in Mar. 2026 was $-11 Mil. Interconexion Electrica ESP's Revenue for the three months ended in Mar. 2026 was $1,050 Mil. Therefore, Interconexion Electrica ESP's FCF Margin % for the quarter that ended in Mar. 2026 was -1.06%.

As of today, Interconexion Electrica ESP's current FCF Yield % is 0.95%.

The historical rank and industry rank for Interconexion Electrica ESP's FCF Margin % or its related term are showing as below:

IESFY' s FCF Margin % Range Over the Past 10 Years
Min: -7.93   Med: 13.1   Max: 26.94
Current: 2.31


During the past 13 years, the highest FCF Margin % of Interconexion Electrica ESP was 26.94%. The lowest was -7.93%. And the median was 13.10%.

IESFY's FCF Margin % is ranked better than
50.1% of 501 companies
in the Utilities - Regulated industry
Industry Median: 2.41 vs IESFY: 2.31


Interconexion Electrica ESP FCF Margin % Related Terms


Interconexion Electrica ESP FCF Margin % Historical Data

* Premium members only.

The historical data trend for Interconexion Electrica ESP's FCF Margin % 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.

Interconexion Electrica ESP FCF Margin % Chart

Interconexion Electrica ESP Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 18.48 16.54 12.90 13.30 5.31

Interconexion Electrica ESP Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
FCF Margin % 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 Premium Member Only Premium Member Only Premium Member Only 10.42 2.30 12.07 -3.34 -1.06

IESFY vs NEE, SO, DUK: FCF Margin % Comparison

For the Utilities - Regulated Electric subindustry, Interconexion Electrica ESP's FCF Margin %, along with its competitors' market caps and FCF Margin % 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 FCF Margin % vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Interconexion Electrica ESP's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Interconexion Electrica ESP's FCF Margin % falls into.


IESFY
74GF Score
Interconexion Electrica SA ESP IESFY
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Interconexion Electrica ESP FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Interconexion Electrica ESP's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=226.167/4255.628
=5.31 %

Interconexion Electrica ESP's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=-11.156/1050.272
=-1.06 %

* 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 FCF Margin % →
What does a FCF Margin % of -1.06% mean?
Interconexion Electrica ESP (IESFY) has a FCF Margin % of -1.06% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Interconexion Electrica ESP and its competitors. According to the industry distribution chart, Interconexion Electrica ESP ranks #250 out of 501 companies in the Utilities - Regulated industry, placing it in the top 49.9%.
Is Interconexion Electrica ESP's FCF Margin % too high?
Interconexion Electrica ESP's current FCF Margin % is -1.06%. Based on the distribution chart, Interconexion Electrica ESP ranks #250 out of 501 companies in the Utilities - Regulated industry, which is above 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 FCF Margin % compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Interconexion Electrica ESP ranks #250 out of 501 companies for FCF Margin %. This puts Interconexion Electrica ESP in the upper half of its industry. The industry median FCF Margin % is 2.41. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for an Utilities - Regulated company?
The median FCF Margin % among Utilities - Regulated companies is 2.41, based on 501 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Interconexion Electrica ESP and its competitors. For the Utilities - Regulated industry, the median FCF Margin % is 2.41 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Interconexion Electrica ESP's current FCF Margin % is -1.06%. 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 FCF Margin % is -1.06%. 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 FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Interconexion Electrica ESP (IESFY), the current FCF Margin % is -1.06% 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 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:

  • FCF Margin %: -1.06%
  • GF Value™: $156.13 vs. price of $226.65 (45.2% above fair value)
  • GF Score™: 74/100 with 8 warning signs

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 ESP Business Description

Other Exchanges ISA:Colombia
Address Calle 12, Sur No. 18 -168, Bloque 3 - Piso 2, Medellin, COL, 50022
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

Get the complete analysis for IESFY

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

$226.65
Price
$156.13
GF Value