KT (BSP:K1TC34) Cyclically Adjusted PB Ratio: 0.75 (As of Aug. 11, 2026) — 23% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

BSP:K1TC34 KT Corp BSP:K1TC34
65 GF Score
Price R$94.05
GF Value R$86.11
Valuation Fairly Valued
! 2 Warning Signs
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What is KT Cyclically Adjusted PB Ratio?

KT BSP:K1TC34 65 Cyclically Adjusted PB Ratio is 0.75 as of Aug. 11, 2026, which is 23% above its 10-year median of 0.61. GuruFocus rates BSP:K1TC34 with a GF Score™ of 65/100 and a GF Value™ of R$86.11 (Fairly Valued). The stock has 2 warning signs investors should review. Among 290 Telecommunication Services companies, KT ranks better than 76.55% on this metric.

As of today (2026-08-11), KT's current share price is R$94.05. KT's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was R$124.73. KT's Cyclically Adjusted PB Ratio for today is 0.75.

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

BSP:K1TC34' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.38   Med: 0.61   Max: 1.05
Current: 0.78

During the past years, KT's highest Cyclically Adjusted PB Ratio was 1.05. The lowest was 0.38. And the median was 0.61.

BSP:K1TC34's Cyclically Adjusted PB Ratio is ranked better than
76.55% of 290 companies
in the Telecommunication Services industry
Industry Median: 1.77 vs BSP:K1TC34: 0.78

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.

KT's adjusted book value per share data for the three months ended in Mar. 2026 was R$132.319. 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$124.73 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


KT  (BSP:K1TC34) 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.


KT Cyclically Adjusted PB Ratio Related Terms


KT Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for KT'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.

KT Cyclically Adjusted PB Ratio Chart

KT 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 0.57 0.59 0.58 0.70 0.80

KT Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 0.78 0.87 0.78 0.80 0.90

BSP:K1TC34 vs VZ, TMUS, T: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, KT'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.


KT Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

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

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


BSP:K1TC34
65GF Score
KT Corp BSP:K1TC34
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

KT 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.

KT's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=94.05/124.73
=0.75

* 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.

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

For example, KT'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)
=132.319/125.2360*125.2360
=132.319

Current CPI (Mar. 2026) = 125.2360.

KT Quarterly Data

Book Value per Share CPI Adj_Book
201509 74.293 100.111 92.939
201512 73.398 100.220 91.719
201603 77.922 100.561 97.042
201606 66.730 100.791 82.914
201609 68.055 101.461 84.002
201612 66.914 101.561 82.512
201706 69.481 102.611 84.801
201712 73.193 102.991 89.002
201806 90.039 104.130 108.289
201809 0.000 105.651 0.000
201812 92.654 104.351 111.198
201903 0.000 104.491 0.000
201906 89.926 104.881 107.379
201909 95.781 105.200 114.023
201912 97.029 105.121 115.595
202003 110.957 105.354 131.896
202006 121.144 105.112 144.338
202009 131.556 106.198 155.140
202012 136.254 105.765 161.337
202103 146.838 107.357 171.292
202106 135.279 107.579 157.483
202109 139.247 108.759 160.343
202112 151.683 109.676 173.202
202203 128.992 111.848 144.432
202206 127.318 114.072 139.778
202209 118.218 114.715 129.060
202212 131.529 115.179 143.013
202303 127.393 116.507 136.937
202306 126.141 117.182 134.811
202309 124.538 118.964 131.104
202312 127.522 118.837 134.389
202403 127.469 120.123 132.894
202406 135.956 120.007 141.880
202409 146.471 120.861 151.773
202412 139.442 121.135 144.163
202503 133.867 122.590 136.756
202506 143.791 122.611 146.869
202509 139.343 123.402 141.414
202512 136.006 123.939 137.429
202603 132.319 125.236 132.319

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 0.75 mean?
KT (BSP:K1TC34) has a Cyclically Adjusted PB Ratio of 0.75 as of Aug. 11, 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 KT and its competitors. This is 23% above median its historical median of 0.61. Over the past decade, KT's Cyclically Adjusted PB Ratio has ranged from 0.38 to 1.05. According to the industry distribution chart, KT ranks #68 out of 290 companies in the Telecommunication Services industry, placing it in the top 23.4%.
Is KT's Cyclically Adjusted PB Ratio too high?
KT's current Cyclically Adjusted PB Ratio of 0.75 is 23% above median its 10-year median of 0.61. Over the past 10 years, this metric has ranged from a low of 0.38 to a high of 1.05. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.77. KT's value of 0.75 is 57.6% below this industry median. Based on the distribution chart, KT ranks #68 out of 290 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, KT has a GF Score™ of 65/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does KT's Cyclically Adjusted PB Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, KT ranks #68 out of 290 companies for Cyclically Adjusted PB Ratio. This places KT in the top 23% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.77. KT's value of 0.75 is 57.6% below this benchmark. Historically, KT's own Cyclically Adjusted PB Ratio has ranged from 0.38 to 1.05 over the past decade. While the company's 10-year median is 0.61 vs. the industry median of 1.77, KT 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 1.77, based on 290 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. KT's current Cyclically Adjusted PB Ratio of 0.75 is 57.6% 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 KT and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. KT's current Cyclically Adjusted PB Ratio is 0.75, which is 23% above median its own 10-year median of 0.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is KT stock overvalued right now?
Based on GuruFocus' analysis, KT (BSP:K1TC34) is currently considered Fairly Valued. The stock's GF Value™ is R$86.11, compared to a current price of R$94.05 — trading 9.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.75, which is 23% above median its 10-year median of 0.61 and 57.6% below the Telecommunication Services industry median of 1.77. KT's overall GF Score™ is 65/100 with 2 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 KT (BSP:K1TC34), the current Cyclically Adjusted PB Ratio is 0.75 as of Aug. 11, 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 KT (BSP:K1TC34) Overvalued in 2026?

Based on GuruFocus' analysis, KT stock appears to be overvalued. The current stock price of R$94.05 is trading 9.2% above its estimated GF Value™ of R$86.11. GuruFocus considers KT to be Fairly Valued.

Key valuation signals for BSP:K1TC34:

  • Cyclically Adjusted PB Ratio: 0.75 (23% above median its 10-year median of 0.61)
  • GF Value™: R$86.11 vs. price of R$94.05 (9.2% above fair value)
  • GF Score™: 65/100 with 2 warning signs
  • Industry Position: 57.6% below the Telecommunication Services median (#68 of 290)

No single metric tells the full story. See the BSP:K1TC34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


KT Business Description

Address 33, Jong-ro 3-Gil, Jongno-gu, KT Gwanghwamun Building East, Gyeonggi-do, Seoul, KOR, 03155
KT is South Korea's largest fixed-line telecom operator, with around 11.5 million fixed-line broadband customers and 9.5 million IPTV customers, and is the second-largest wireless operator with 28 million subscribers. Additionally, it has a number of nontelecom businesses, including real estate, payment processing, artificial intelligence, and IDC/cloud services, many of which are the focus of its growth strategy. The company was formed from the previously government-owned, monopoly telecom business and was listed in 1998. After selling its mobile business in 1994 (forming its mobile competitor, SK Telecom), KT created its own mobile operator in 1997.
65GF Score

Get the complete analysis for BSP:K1TC34

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

R$94.05
Price
R$86.11
GF Value