SK Telecom Co (BSP:S1KM34) Cyclically Adjusted PB Ratio: 1.24 (As of Aug. 29, 2026) — 75% Above Median

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BSP:S1KM34 SK Telecom Co Ltd BSP:S1KM34
63 GF Score
Price R$51.54
GF Value R$27.93
Valuation Significantly Overvalued
! 6 Warning Signs
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What is SK Telecom Co Cyclically Adjusted PB Ratio?

SK Telecom Co BSP:S1KM34 63 Cyclically Adjusted PB Ratio is 1.24 as of Aug. 29, 2026, which is 75% above its 10-year median of 0.71. GuruFocus rates BSP:S1KM34 with a GF Score™ of 63/100 and a GF Value™ of R$27.93 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 286 Telecommunication Services companies, SK Telecom Co ranks better than 66.43% on this metric.

As of today (2026-08-29), SK Telecom Co's current share price is R$51.54. SK Telecom Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was R$41.52. SK Telecom Co's Cyclically Adjusted PB Ratio for today is 1.24.

The historical rank and industry rank for SK Telecom Co's Cyclically Adjusted PB Ratio or its related term are showing as below:

BSP:S1KM34' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.48   Med: 0.71   Max: 1.19
Current: 1.1

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

BSP:S1KM34's Cyclically Adjusted PB Ratio is ranked better than
66.43% of 286 companies
in the Telecommunication Services industry
Industry Median: 1.78 vs BSP:S1KM34: 1.10

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 adjusted book value per share data for the three months ended in Jun. 2026 was R$33.680. 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$41.52 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


SK Telecom Co  (BSP:S1KM34) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


SK Telecom Co Cyclically Adjusted PB Ratio Related Terms


SK Telecom Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for SK Telecom Co's Cyclically Adjusted PB Ratio 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 PB Ratio Chart

SK Telecom Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.67 0.53 0.56 0.62 0.60

SK Telecom Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio 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 0.63 0.61 0.60 0.86 0.99

BSP:S1KM34 vs VZ, TMUS, T: Cyclically Adjusted PB Ratio 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 PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

SK Telecom Co Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=51.54/41.52
=1.24

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

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

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=33.68/126.4904*126.4904
=33.680

Current CPI (Jun. 2026) = 126.4904.

SK Telecom Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 29.206 101.461 36.411
201612 29.299 101.561 36.491
201703 28.213 102.851 34.698
201706 31.252 102.611 38.525
201709 31.059 103.491 37.962
201712 35.129 102.991 43.144
201803 39.247 104.101 47.688
201806 46.167 104.130 56.081
201809 51.976 105.651 62.228
201812 49.425 104.351 59.911
201903 47.990 104.491 58.094
201906 47.045 104.881 56.738
201909 49.891 105.200 59.988
201912 50.096 105.121 60.280
202003 56.863 105.354 68.271
202006 63.101 105.112 75.935
202009 68.671 106.198 81.793
202012 71.538 105.765 85.556
202103 76.498 107.357 90.131
202106 73.347 107.579 86.241
202109 75.916 108.759 88.293
202112 35.270 109.676 40.677
202203 29.849 111.848 33.757
202206 28.562 114.072 31.671
202209 27.494 114.715 30.316
202212 29.207 115.179 32.075
202303 29.187 116.507 31.688
202306 27.529 117.182 29.716
202309 27.409 118.964 29.143
202312 27.908 118.837 29.705
202403 28.414 120.123 29.920
202406 29.985 120.007 31.605
202409 31.850 120.861 33.333
202412 32.304 121.135 33.732
202503 30.416 122.590 31.384
202506 31.377 122.611 32.370
202509 29.352 123.402 30.087
202512 31.199 123.939 31.841
202603 30.363 125.236 30.667
202606 33.680 126.490 33.680

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

What does a Cyclically Adjusted PB Ratio of 1.24 mean?
SK Telecom Co (BSP:S1KM34) has a Cyclically Adjusted PB Ratio of 1.24 as of Aug. 29, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on SK Telecom Co and its competitors. This is 75% above median its historical median of 0.71. Over the past decade, SK Telecom Co's Cyclically Adjusted PB Ratio has ranged from 0.48 to 1.19. According to the industry distribution chart, SK Telecom Co ranks #96 out of 286 companies in the Telecommunication Services industry, placing it in the top 33.6%.
Is SK Telecom Co's Cyclically Adjusted PB Ratio too high?
SK Telecom Co's current Cyclically Adjusted PB Ratio of 1.24 is 75% above median its 10-year median of 0.71. Over the past 10 years, this metric has ranged from a low of 0.48 to a high of 1.19. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.78. SK Telecom Co's value of 1.24 is 30.3% below this industry median. Based on the distribution chart, SK Telecom Co ranks #96 out of 286 companies in the Telecommunication Services industry, which is above the industry midpoint. 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 PB Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, SK Telecom Co ranks #96 out of 286 companies for Cyclically Adjusted PB Ratio. This puts SK Telecom Co in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.78. SK Telecom Co's value of 1.24 is 30.3% below this benchmark. Historically, SK Telecom Co's own Cyclically Adjusted PB Ratio has ranged from 0.48 to 1.19 over the past decade. While the company's 10-year median is 0.71 vs. the industry median of 1.78, SK Telecom Co has consistently been below 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 Cyclically Adjusted PB Ratio for a Telecommunication Services company?
The median Cyclically Adjusted PB Ratio among Telecommunication Services companies is 1.78, based on 286 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SK Telecom Co's current Cyclically Adjusted PB Ratio of 1.24 is 30.3% below 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on SK Telecom Co and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SK Telecom Co's current Cyclically Adjusted PB Ratio is 1.24, which is 75% above median its own 10-year median of 0.71. 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$27.93, compared to a current price of R$51.54 — trading 84.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.24, which is 75% above median its 10-year median of 0.71 and 30.3% below the Telecommunication Services industry median of 1.78. SK Telecom Co's overall GF Score™ is 63/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For SK Telecom Co (BSP:S1KM34), the current Cyclically Adjusted PB Ratio is 1.24 as of Aug. 29, 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$51.54 is trading 84.5% above its estimated GF Value™ of R$27.93. GuruFocus considers SK Telecom Co to be Significantly Overvalued.

Key valuation signals for BSP:S1KM34:

  • Cyclically Adjusted PB Ratio: 1.24 (75% above median its 10-year median of 0.71)
  • GF Value™: R$27.93 vs. price of R$51.54 (84.5% above fair value)
  • GF Score™: 63/100 with 6 warning signs
  • Industry Position: 30.3% below the Telecommunication Services median (#96 of 286)

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

R$51.54
Price
R$27.93
GF Value