Tekfen Holding AS (IST:TKFEN) E10: ₺0.00 (As of Mar. 2026)


IST:TKFEN Tekfen Holding AS IST:TKFEN
44 GF Score
Price ₺141.70
GF Value ₺50.04
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Tekfen Holding AS E10?

Tekfen Holding AS IST:TKFEN +6.70% 44 E10 is ₺0.00 as of Mar. 2026. GuruFocus rates IST:TKFEN with a GF Score™ of 44/100 and a GF Value™ of ₺50.04 (Significantly Overvalued). The stock has 10 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Tekfen Holding AS's adjusted earnings per share data for the three months ended in Mar. 2026 was ₺-1.500. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is ₺0.00 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Tekfen Holding AS's average E10 Growth Rate was -100.00% per year. During the past 3 years, the average E10 Growth Rate was -53.30% per year. During the past 5 years, the average E10 Growth Rate was -23.20% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the E10 growth rate using E10 data.

During the past 13 years, the highest 3-Year average E10 Growth Rate of Tekfen Holding AS was 17.10% per year. The lowest was -53.30% per year. And the median was 7.50% per year.

As of today (2026-06-29), Tekfen Holding AS's current stock price is ₺141.70. Tekfen Holding AS's E10 for the quarter that ended in Mar. 2026 was ₺0.00. Tekfen Holding AS's Shiller PE Ratio of today is .

During the past 13 years, the highest Shiller PE Ratio of Tekfen Holding AS was 51564.34. The lowest was 8.16. And the median was 20.14.


Tekfen Holding AS  (IST:TKFEN) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

During the past 13 years, the highest Shiller P/E Ratio of Tekfen Holding AS was 51564.34. The lowest was 8.16. And the median was 20.14.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Tekfen Holding AS E10 Related Terms


Tekfen Holding AS E10 Historical Data

* Premium members only.

The historical data trend for Tekfen Holding AS's E10 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.

Tekfen Holding AS E10 Chart

Tekfen Holding AS Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.59 1.97 1.65 1.83 0.20

Tekfen Holding AS Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
E10 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 1.56 1.11 0.89 0.20 0.00

IST:TKFEN vs CTVA, CF, MOS: E10 Comparison

For the Agricultural Inputs subindustry, Tekfen Holding AS's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.


Tekfen Holding AS Shiller PE Ratio vs Agriculture Industry

For the Agriculture industry and Basic Materials sector, Tekfen Holding AS's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Tekfen Holding AS's Shiller PE Ratio falls into.


IST:TKFEN
44GF Score
Tekfen Holding AS IST:TKFEN
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tekfen Holding AS E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

We adjusted the earnings of 2001 earnings data with the total inflation from 2001 through 2010 to the equivalent earnings in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart earned $1 a share in 2001, then the 2001's equivalent earnings in 2010 is $1.4 a share. If Wal-Mart earns $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 earnings in 2010 is $1.35. So on and so forth, you get the equivalent earnings of past 10 years. Then you add them together and divided the sum by 10 to get E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, Tekfen Holding AS's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=-1.5/330.2130*330.2130
=-1.500

Current CPI (Mar. 2026) = 330.2130.

Tekfen Holding AS Quarterly Data

per share eps CPI Adj_EPS
201606 0.196 241.018 0.269
201609 -0.031 241.428 -0.042
201612 0.309 241.432 0.423
201703 0.437 243.801 0.592
201706 0.605 244.955 0.816
201709 0.354 246.819 0.474
201712 0.689 246.524 0.923
201803 0.651 249.554 0.861
201806 0.754 251.989 0.988
201809 1.209 252.439 1.581
201812 1.138 251.233 1.496
201903 2.114 254.202 2.746
201906 1.080 256.143 1.392
201909 0.698 256.759 0.898
201912 -0.053 256.974 -0.068
202003 0.127 258.115 0.162
202006 0.265 257.797 0.339
202009 -0.039 260.280 -0.049
202012 -0.516 260.474 -0.654
202103 1.114 264.877 1.389
202106 0.857 271.696 1.042
202109 1.252 274.310 1.507
202112 -0.955 278.802 -1.131
202203 0.285 287.504 0.327
202206 2.627 296.311 2.928
202209 1.988 296.808 2.212
202212 -1.146 296.797 -1.275
202303 -5.112 301.836 -5.593
202306 0.610 305.109 0.660
202309 -2.066 307.789 -2.217
202312 3.090 306.746 3.326
202403 -1.985 312.332 -2.099
202406 2.121 314.175 2.229
202409 0.066 315.301 0.069
202412 1.350 315.605 1.412
202503 -2.688 319.799 -2.776
202506 -4.556 322.561 -4.664
202509 -2.118 324.800 -2.153
202512 -6.686 324.054 -6.813
202603 -1.500 330.213 -1.500

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of ₺0.00 mean?
Tekfen Holding AS (IST:TKFEN) has a E10 of ₺0.00 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Tekfen Holding AS and its competitors.
Is Tekfen Holding AS's E10 too high?
Tekfen Holding AS's current E10 is ₺0.00. Overall, Tekfen Holding AS has a GF Score™ of 44/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tekfen Holding AS's E10 compare to CTVA and CF?
Tekfen Holding AS's E10 of ₺0.00 can be compared against companies in the Agriculture industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for an Agriculture company?
A good E10 depends on the Agriculture industry context. However, E10 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 E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Tekfen Holding AS and its competitors. Tekfen Holding AS's current E10 is ₺0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tekfen Holding AS stock overvalued right now?
Based on GuruFocus' analysis, Tekfen Holding AS (IST:TKFEN) is currently considered Significantly Overvalued. The stock's GF Value™ is ₺50.04, compared to a current price of ₺141.70 — trading 183.2% above its estimated fair value. The current E10 is ₺0.00. Tekfen Holding AS's overall GF Score™ is 44/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is E10 calculated?
E10 is calculated from a company's financial statements. For Tekfen Holding AS (IST:TKFEN), the current E10 is ₺0.00 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 Tekfen Holding AS (IST:TKFEN) Overvalued in 2026?

Based on GuruFocus' analysis, Tekfen Holding AS stock appears to be overvalued. The current stock price of ₺141.70 is trading 183.2% above its estimated GF Value™ of ₺50.04. GuruFocus considers Tekfen Holding AS to be Significantly Overvalued.

Key valuation signals for IST:TKFEN:

  • E10: ₺0.00
  • GF Value™: ₺50.04 vs. price of ₺141.70 (183.2% above fair value)
  • GF Score™: 44/100 with 10 warning signs

No single metric tells the full story. See the IST:TKFEN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tekfen Holding AS Business Description

Address Kultur Mahallesi, Tekfen Sitesi, Budak Sokak, A Blok, No. 7, Ulus-Besiktas, Istanbul, TUR, 34340
Tekfen Holding AS is a conglomerate that operates in below business lines: Engineering and Contracting; Agricultural Industry; and Investment. It generates maximum revenue from the Agricultural Industry segment. The Agricultural Industry segment is engaged in the production and sale of mineral fertilizers as well as special water soluble fertilizers and organic fertilizers. It also manufactures bags used in fertilizer packaging in its facility. Additionally, it generates biogas through the fermentation of organic wastes and electricity from biogas and also produces solid and liquid organic fertilizers from wastes that have completed the gasification process. Geographically, the company generates maximum revenue from Turkey and the rest from the CIS, the Middle East, and other regions.
44GF Score

Get the complete analysis for IST:TKFEN

E10 is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₺141.70
Price
₺50.04
GF Value