TKGSY (Tokyo Gas Co) Cyclically Adjusted PB Ratio: 1.73 (As of Jul. 23, 2026) — 34% 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.

TKGSY Tokyo Gas Co Ltd TKGSY
71 GF Score
Price $17.72
GF Value $14.77
Valuation Modestly Overvalued
! 3 Warning Signs
View Full Analysis

What is Tokyo Gas Co Cyclically Adjusted PB Ratio?

Tokyo Gas Co TKGSY -6.65% 71 Cyclically Adjusted PB Ratio is 1.73 as of Jul. 23, 2026, which is 34% above its 10-year median of 1.29. GuruFocus rates TKGSY with a GF Score™ of 71/100 and a GF Value™ of $14.77 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 440 Utilities - Regulated companies, Tokyo Gas Co ranks worse than 59.55% on this metric.

As of today (2026-07-23), Tokyo Gas Co's current share price is $17.72. Tokyo Gas Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $10.27. Tokyo Gas Co's Cyclically Adjusted PB Ratio for today is 1.73.

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

TKGSY' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.82   Med: 1.29   Max: 2.33
Current: 1.78

During the past years, Tokyo Gas Co's highest Cyclically Adjusted PB Ratio was 2.33. The lowest was 0.82. And the median was 1.29.

TKGSY's Cyclically Adjusted PB Ratio is ranked worse than
59.55% of 440 companies
in the Utilities - Regulated industry
Industry Median: 1.535 vs TKGSY: 1.78

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.

Tokyo Gas Co's adjusted book value per share data for the three months ended in Mar. 2026 was $16.231. 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 $10.27 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Tokyo Gas Co  (OTCPK:TKGSY) 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.


Tokyo Gas Co Cyclically Adjusted PB Ratio Related Terms


Tokyo Gas Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Tokyo Gas 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.

Tokyo Gas Co Cyclically Adjusted PB Ratio Chart

Tokyo Gas Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.94 0.96 1.24 1.51 2.17

Tokyo Gas 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 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 1.51 1.49 1.61 1.85 2.17

TKGSY vs ATO, NI: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Regulated Gas subindustry, Tokyo Gas 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.


Tokyo Gas Co Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Tokyo Gas Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TKGSY
71GF Score
Tokyo Gas Co Ltd TKGSY
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tokyo Gas 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.

Tokyo Gas Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=17.72/10.27
=1.73

* 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.

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

For example, Tokyo Gas 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)
=16.231/112.7000*112.7000
=16.231

Current CPI (Mar. 2026) = 112.7000.

Tokyo Gas Co Quarterly Data

Book Value per Share CPI Adj_Book
201606 10.641 98.100 12.225
201609 11.181 98.000 12.858
201612 9.622 98.400 11.020
201703 10.622 98.100 12.203
201706 10.885 98.500 12.454
201709 10.932 98.800 12.470
201712 10.813 99.400 12.260
201803 11.729 99.200 13.325
201806 11.357 99.200 12.903
201809 11.175 99.900 12.607
201812 11.077 99.700 12.521
201903 11.588 99.700 13.099
201906 12.107 99.800 13.672
201909 12.038 100.100 13.553
201912 11.823 100.500 13.258
202003 12.086 100.300 13.580
202006 12.121 99.900 13.674
202009 12.424 99.900 14.016
202012 12.534 99.300 14.225
202103 12.035 99.900 13.577
202106 12.188 99.500 13.805
202109 12.264 100.100 13.808
202112 11.551 100.100 13.005
202203 12.009 101.100 13.387
202206 11.050 101.800 12.233
202209 10.932 103.100 11.950
202212 12.456 104.100 13.485
202303 13.450 104.400 14.519
202306 13.493 105.200 14.455
202309 13.765 106.200 14.607
202312 14.410 106.800 15.206
202403 14.164 107.200 14.891
202406 0.000 108.200 0.000
202409 15.768 108.900 16.318
202412 14.405 110.700 14.665
202503 15.663 111.100 15.889
202506 15.412 111.700 15.550
202509 15.519 112.000 15.616
202512 15.212 113.000 15.172
202603 16.231 112.700 16.231

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 1.73 mean?
Tokyo Gas Co (TKGSY) has a Cyclically Adjusted PB Ratio of 1.73 as of Jul. 23, 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 Tokyo Gas Co and its competitors. This is 34% above median its historical median of 1.29. Over the past decade, Tokyo Gas Co's Cyclically Adjusted PB Ratio has ranged from 0.82 to 2.33. According to the industry distribution chart, Tokyo Gas Co ranks #262 out of 440 companies in the Utilities - Regulated industry, placing it in the top 59.5%.
Is Tokyo Gas Co's Cyclically Adjusted PB Ratio too high?
Tokyo Gas Co's current Cyclically Adjusted PB Ratio of 1.73 is 34% above median its 10-year median of 1.29. Over the past 10 years, this metric has ranged from a low of 0.82 to a high of 2.33. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.54. Tokyo Gas Co's value of 1.73 is 12.7% above this industry median. Based on the distribution chart, Tokyo Gas Co ranks #262 out of 440 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, Tokyo Gas Co has a GF Score™ of 71/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tokyo Gas Co's Cyclically Adjusted PB Ratio compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, Tokyo Gas Co ranks #262 out of 440 companies for Cyclically Adjusted PB Ratio. This places Tokyo Gas Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.54. Tokyo Gas Co's value of 1.73 is 12.7% above this benchmark. Historically, Tokyo Gas Co's own Cyclically Adjusted PB Ratio has ranged from 0.82 to 2.33 over the past decade. While the company's 10-year median is 1.29 vs. the industry median of 1.54, Tokyo Gas Co has consistently been above 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 an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.54, based on 440 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. Tokyo Gas Co's current Cyclically Adjusted PB Ratio of 1.73 is 12.7% above 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 Tokyo Gas Co and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tokyo Gas Co's current Cyclically Adjusted PB Ratio is 1.73, which is 34% above median its own 10-year median of 1.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tokyo Gas Co stock overvalued right now?
Based on GuruFocus' analysis, Tokyo Gas Co (TKGSY) is currently considered Modestly Overvalued. The stock's GF Value™ is $14.77, compared to a current price of $17.72 — trading 20% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.73, which is 34% above median its 10-year median of 1.29 and 12.7% above the Utilities - Regulated industry median of 1.54. Tokyo Gas Co's overall GF Score™ is 71/100 with 3 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 Tokyo Gas Co (TKGSY), the current Cyclically Adjusted PB Ratio is 1.73 as of Jul. 23, 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 Tokyo Gas Co (TKGSY) Overvalued in 2026?

Based on GuruFocus' analysis, Tokyo Gas Co stock appears to be overvalued. The current stock price of $17.72 is trading 20% above its estimated GF Value™ of $14.77. GuruFocus considers Tokyo Gas Co to be Modestly Overvalued.

Key valuation signals for TKGSY:

  • Cyclically Adjusted PB Ratio: 1.73 (34% above median its 10-year median of 1.29)
  • GF Value™: $14.77 vs. price of $17.72 (20% above fair value)
  • GF Score™: 71/100 with 3 warning signs
  • Industry Position: 12.7% above the Utilities - Regulated median (#262 of 440)

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


Tokyo Gas Co Business Description

Address 1-5-20 Kaigan, Minato-ku, Tokyo, JPN, 105-8527
Tokyo Gas Co Ltd is a Japanese utility company involved in the production, generation, and supply of natural gas and electricity. Tokyo Gas segments its operations into Gas, Electric Power, Overseas, and Other business units. The company's Gas division generates the vast majority of its total revenue through the supply and sale of natural gas to, namely, the Tokyo metropolitan area and other Japanese urban areas. Tokyo Gas' supply of natural gas is fairly evenly distributed amongst residential, commercial, industrial, and power generation customers. The company's Electric Power business also represents a significant income stream. This division operates a portfolio of cogeneration and natural gas-fired thermal power plants primarily located in the Tokyo area.
71GF Score

Get the complete analysis for TKGSY

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

$17.72
Price
$14.77
GF Value