National Petroleum Co (TPE:9937) Cyclically Adjusted PB Ratio: 2.81 (As of Jul. 31, 2026) — Near 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.

TPE:9937 National Petroleum Co Ltd TPE:9937
77 GF Score
Price NT$55.50
GF Value NT$58.73
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is National Petroleum Co Cyclically Adjusted PB Ratio?

National Petroleum Co TPE:9937 -1.42% 77 Cyclically Adjusted PB Ratio is 2.81 as of Jul. 31, 2026, which is 4% below its 10-year median of 2.93. GuruFocus rates TPE:9937 with a GF Score™ of 77/100 and a GF Value™ of NT$58.73 (Fairly Valued). The stock has 4 warning signs investors should review. Among 808 Retail - Cyclical companies, National Petroleum Co ranks worse than 77.35% on this metric.

As of today (2026-07-31), National Petroleum Co's current share price is NT$55.50. National Petroleum Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$19.75. National Petroleum Co's Cyclically Adjusted PB Ratio for today is 2.81.

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

TPE:9937' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.49   Med: 2.93   Max: 4
Current: 2.79

During the past years, National Petroleum Co's highest Cyclically Adjusted PB Ratio was 4.00. The lowest was 2.49. And the median was 2.93.

TPE:9937's Cyclically Adjusted PB Ratio is ranked worse than
77.35% of 808 companies
in the Retail - Cyclical industry
Industry Median: 1.245 vs TPE:9937: 2.79

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.

National Petroleum Co's adjusted book value per share data for the three months ended in Mar. 2026 was NT$19.422. 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 NT$19.75 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


National Petroleum Co  (TPE:9937) 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.


National Petroleum Co Cyclically Adjusted PB Ratio Related Terms


National Petroleum Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for National Petroleum 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.

National Petroleum Co Cyclically Adjusted PB Ratio Chart

National Petroleum 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 2.88 2.87 3.81 3.33 2.94

National Petroleum 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 3.20 3.43 3.17 2.94 2.86

TPE:9937 vs CASY, WSM, ULTA: Cyclically Adjusted PB Ratio Comparison

For the Specialty Retail subindustry, National Petroleum 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.


National Petroleum Co Cyclically Adjusted PB Ratio vs Retail - Cyclical Industry

For the Retail - Cyclical industry and Consumer Cyclical sector, National Petroleum Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TPE:9937
77GF Score
National Petroleum Co Ltd TPE:9937
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

National Petroleum 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.

National Petroleum Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=55.50/19.75
=2.81

* 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.

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

For example, National Petroleum 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)
=19.422/330.2130*330.2130
=19.422

Current CPI (Mar. 2026) = 330.2130.

National Petroleum Co Quarterly Data

Book Value per Share CPI Adj_Book
201606 13.968 241.018 19.137
201609 14.544 241.428 19.893
201612 15.176 241.432 20.757
201703 15.588 243.801 21.113
201706 13.984 244.955 18.851
201709 14.639 246.819 19.585
201712 15.283 246.524 20.471
201803 15.892 249.554 21.028
201806 14.510 251.989 19.014
201809 15.160 252.439 19.831
201812 15.558 251.233 20.449
201903 16.356 254.202 21.247
201906 14.897 256.143 19.205
201909 15.512 256.759 19.950
201912 16.081 256.974 20.664
202003 16.425 258.115 21.013
202006 15.269 257.797 19.558
202009 16.185 260.280 20.534
202012 16.861 260.474 21.375
202103 17.661 264.877 22.017
202106 18.190 271.696 22.108
202109 16.588 274.310 19.969
202112 17.260 278.802 20.443
202203 17.879 287.504 20.535
202206 16.099 296.311 17.941
202209 16.710 296.808 18.591
202212 17.311 296.797 19.260
202303 18.018 301.836 19.712
202306 16.499 305.109 17.857
202309 17.231 307.789 18.486
202312 17.943 306.746 19.316
202403 18.572 312.332 19.635
202406 17.169 314.175 18.045
202409 17.774 315.301 18.615
202412 18.436 315.605 19.289
202503 18.966 319.799 19.584
202506 17.401 322.561 17.814
202509 18.312 324.800 18.617
202512 18.843 324.054 19.201
202603 19.422 330.213 19.422

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 2.81 mean?
National Petroleum Co (TPE:9937) has a Cyclically Adjusted PB Ratio of 2.81 as of Jul. 31, 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 National Petroleum Co and its competitors. This is near median its historical median of 2.93. Over the past decade, National Petroleum Co's Cyclically Adjusted PB Ratio has ranged from 2.49 to 4.00. According to the industry distribution chart, National Petroleum Co ranks #625 out of 808 companies in the Retail - Cyclical industry, placing it in the top 77.4%.
Is National Petroleum Co's Cyclically Adjusted PB Ratio too high?
National Petroleum Co's current Cyclically Adjusted PB Ratio of 2.81 is near median its 10-year median of 2.93. Over the past 10 years, this metric has ranged from a low of 2.49 to a high of 4.00. The Retail - Cyclical industry median Cyclically Adjusted PB Ratio is 1.25. National Petroleum Co's value of 2.81 is 125.7% above this industry median. Based on the distribution chart, National Petroleum Co ranks #625 out of 808 companies in the Retail - Cyclical industry, which is in the bottom quartile relative to peers. Overall, National Petroleum Co has a GF Score™ of 77/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does National Petroleum Co's Cyclically Adjusted PB Ratio compare to CASY and WSM?
According to the Retail - Cyclical industry distribution chart, National Petroleum Co ranks #625 out of 808 companies for Cyclically Adjusted PB Ratio. This places National Petroleum Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.25. National Petroleum Co's value of 2.81 is 125.7% above this benchmark. Historically, National Petroleum Co's own Cyclically Adjusted PB Ratio has ranged from 2.49 to 4.00 over the past decade. While the company's 10-year median is 2.93 vs. the industry median of 1.25, National Petroleum 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 a Retail - Cyclical company?
The median Cyclically Adjusted PB Ratio among Retail - Cyclical companies is 1.25, based on 808 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. National Petroleum Co's current Cyclically Adjusted PB Ratio of 2.81 is 125.7% 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 National Petroleum Co and its competitors. For the Retail - Cyclical industry, the median Cyclically Adjusted PB Ratio is 1.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. National Petroleum Co's current Cyclically Adjusted PB Ratio is 2.81, which is near median its own 10-year median of 2.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Petroleum Co stock overvalued right now?
Based on GuruFocus' analysis, National Petroleum Co (TPE:9937) is currently considered Fairly Valued. The stock's GF Value™ is NT$58.73, compared to a current price of NT$55.50 — trading 5.5% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.81, which is near median its 10-year median of 2.93 and 125.7% above the Retail - Cyclical industry median of 1.25. National Petroleum Co's overall GF Score™ is 77/100 with 4 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 National Petroleum Co (TPE:9937), the current Cyclically Adjusted PB Ratio is 2.81 as of Jul. 31, 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 National Petroleum Co (TPE:9937) Overvalued in 2026?

Based on GuruFocus' analysis, National Petroleum Co stock appears to be undervalued. The current stock price of NT$55.50 is trading 5.5% below its estimated GF Value™ of NT$58.73. GuruFocus considers National Petroleum Co to be Fairly Valued.

Key valuation signals for TPE:9937:

  • Cyclically Adjusted PB Ratio: 2.81 (near median its 10-year median of 2.93)
  • GF Value™: NT$58.73 vs. price of NT$55.50 (5.5% below fair value)
  • GF Score™: 77/100 with 4 warning signs
  • Industry Position: 125.7% above the Retail - Cyclical median (#625 of 808)

No single metric tells the full story. See the TPE:9937 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


National Petroleum Co Business Description

Address No. 140, Roosevelt Road, 4th Floor, Section 6, Taipei, TWN
National Petroleum Co Ltd is engaged in providing and selling gasoline, diesel, and lubricant, as well as car washing services. The main revenue of the Group is generated from the sales of refined petroleum products supplied and sold through the Group's gas stations. The sales targets are mainly consumers at gas stations.
77GF Score

Get the complete analysis for TPE:9937

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

NT$55.50
Price
NT$58.73
GF Value