SK Telecom Co (BSP:S1KM34) Cyclically Adjusted Book per Share: R$43.92 (As of Mar. 2026)

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BSP:S1KM34 SK Telecom Co Ltd BSP:S1KM34
63 GF Score
Price R$45.64
GF Value R$24.32
Valuation Significantly Overvalued
! 10 Warning Signs
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What is SK Telecom Co Cyclically Adjusted Book per Share?

SK Telecom Co BSP:S1KM34 +3.54% 63 Cyclically Adjusted Book per Share is R$43.92 as of Mar. 2026. GuruFocus rates BSP:S1KM34 with a GF Score™ of 63/100 and a GF Value™ of R$24.32 (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 PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

SK Telecom Co's adjusted book value per share for the three months ended in Mar. 2026 was R$30.363. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is R$43.92 for the trailing ten years ended in Mar. 2026.

During the past 12 months, SK Telecom Co's average Cyclically Adjusted Book Growth Rate was -1.00% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was -0.10% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 2.10% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 4.80% 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 Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of SK Telecom Co was 14.50% per year. The lowest was -0.10% per year. And the median was 6.10% per year.

As of today (2026-07-25), SK Telecom Co's current stock price is R$45.64. SK Telecom Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was R$43.92. SK Telecom Co's Cyclically Adjusted PB Ratio of today is 1.04.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of SK Telecom Co was 1.19. The lowest was 0.48. And the median was 0.71.


SK Telecom Co  (BSP:S1KM34) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

SK Telecom Co's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=45.64/43.92
=1.04

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of SK Telecom Co was 1.19. The lowest was 0.48. And the median was 0.71.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


SK Telecom Co Cyclically Adjusted Book per Share Related Terms


SK Telecom Co Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for SK Telecom Co's Cyclically Adjusted Book per Share 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.

SK Telecom Co Cyclically Adjusted Book per Share Chart

SK Telecom Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 55.76 52.65 46.97 53.10 45.43

SK Telecom Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted Book per Share 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 49.26 50.25 47.17 45.43 43.92

BSP:S1KM34 vs TMUS, VZ, T: Cyclically Adjusted Book per Share Comparison

For the Telecom Services subindustry, SK Telecom Co's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted 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.


SK Telecom Co Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, SK Telecom Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where SK Telecom Co's Cyclically Adjusted PB Ratio falls into.


BSP:S1KM34
63GF Score
SK Telecom Co Ltd BSP:S1KM34
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

SK Telecom Co Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

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

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, SK Telecom Co's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book= Book Value per Share /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=30.363/125.2360*125.2360
=30.363

Current CPI (Mar. 2026) = 125.2360.

SK Telecom Co Quarterly Data

Book Value per Share CPI Adj_Book
201606 28.931 100.791 35.948
201609 29.206 101.461 36.050
201612 29.299 101.561 36.129
201703 28.213 102.851 34.354
201706 31.252 102.611 38.143
201709 31.059 103.491 37.585
201712 35.129 102.991 42.717
201803 39.247 104.101 47.215
201806 46.167 104.130 55.524
201809 51.976 105.651 61.611
201812 49.425 104.351 59.317
201903 47.990 104.491 57.518
201906 47.045 104.881 56.175
201909 49.891 105.200 59.393
201912 50.096 105.121 59.682
202003 56.863 105.354 67.594
202006 63.101 105.112 75.182
202009 68.671 106.198 80.982
202012 71.538 105.765 84.708
202103 76.498 107.357 89.238
202106 73.347 107.579 85.386
202109 75.916 108.759 87.417
202112 35.270 109.676 40.274
202203 29.849 111.848 33.422
202206 28.562 114.072 31.357
202209 27.494 114.715 30.016
202212 29.207 115.179 31.757
202303 29.187 116.507 31.374
202306 27.529 117.182 29.421
202309 27.409 118.964 28.854
202312 27.908 118.837 29.411
202403 28.414 120.123 29.623
202406 29.985 120.007 31.291
202409 31.850 120.861 33.003
202412 32.304 121.135 33.398
202503 30.416 122.590 31.073
202506 31.377 122.611 32.049
202509 29.352 123.402 29.788
202512 31.199 123.939 31.525
202603 30.363 125.236 30.363

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of R$43.92 mean?
SK Telecom Co (BSP:S1KM34) has a Cyclically Adjusted Book per Share of R$43.92 as of Mar. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on SK Telecom Co and its competitors.
Is SK Telecom Co's Cyclically Adjusted Book per Share too high?
SK Telecom Co's current Cyclically Adjusted Book per Share is R$43.92. Overall, SK Telecom Co has a GF Score™ of 63/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does SK Telecom Co's Cyclically Adjusted Book per Share compare to TMUS and VZ?
SK Telecom Co's Cyclically Adjusted Book per Share of R$43.92 can be compared against companies in the Telecommunication Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Telecommunication Services company?
A good Cyclically Adjusted Book per Share depends on the Telecommunication Services industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on SK Telecom Co and its competitors. SK Telecom Co's current Cyclically Adjusted Book per Share is R$43.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SK Telecom Co stock overvalued right now?
Based on GuruFocus' analysis, SK Telecom Co (BSP:S1KM34) is currently considered Significantly Overvalued. The stock's GF Value™ is R$24.32, compared to a current price of R$45.64 — trading 87.7% above its estimated fair value. The current Cyclically Adjusted Book per Share is R$43.92. SK Telecom Co's overall GF Score™ is 63/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For SK Telecom Co (BSP:S1KM34), the current Cyclically Adjusted Book per Share is R$43.92 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 SK Telecom Co (BSP:S1KM34) Overvalued in 2026?

Based on GuruFocus' analysis, SK Telecom Co stock appears to be overvalued. The current stock price of R$45.64 is trading 87.7% above its estimated GF Value™ of R$24.32. GuruFocus considers SK Telecom Co to be Significantly Overvalued.

Key valuation signals for BSP:S1KM34:

  • Cyclically Adjusted Book per Share: R$43.92
  • GF Value™: R$24.32 vs. price of R$45.64 (87.7% above fair value)
  • GF Score™: 63/100 with 10 warning signs

No single metric tells the full story. See the BSP:S1KM34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


SK Telecom Co Business Description

Address SK T-Tower, 65, Eulji-ro, Jung-gu, Seoul, KOR, 04539
SK Telecom is South Korea's largest wireless telecom operator, with 32 million mobile customers. The firm also owns SK Broadband (formerly Hanaro Telecom), which has 7.2 million broadband customers and 9.5 million pay TV customers (6.7 million IPTV and 2.8 million Cable TV). While the firm also purchased stakes in businesses in security and semiconductor memory production, as well as developing e-commerce and internet platform businesses, these were all spun off into the separate SK Square business in November 2021. The company was formed after SK Group purchased KT's mobile business in 1994.
63GF Score

Get the complete analysis for BSP:S1KM34

Cyclically Adjusted Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

R$45.64
Price
R$24.32
GF Value