Thai Stanley Electric (Thailand) PCL (BKK:STANLY-R) Cyclically Adjusted PB Ratio: 0.71 (As of Jul. 22, 2026) — 20% Below 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.

BKK:STANLY-R Thai Stanley Electric (Thailand) PCL BKK:STANLY-R
73 GF Score
Price ฿196.85
GF Value ฿149.52
! 7 Warning Signs
View Full Analysis

What is Thai Stanley Electric (Thailand) PCL Cyclically Adjusted PB Ratio?

Thai Stanley Electric (Thailand) PCL BKK:STANLY-R 73 Cyclically Adjusted PB Ratio is 0.71 as of Jul. 22, 2026, which is 20% below its 10-year median of 0.89. GuruFocus rates BKK:STANLY-R with a GF Score™ of 73/100 and a GF Value™ of ฿149.52. The stock has 7 warning signs investors should review. Among 1,032 Vehicles & Parts companies, Thai Stanley Electric (Thailand) PCL ranks better than 65.21% on this metric.

As of today (2026-07-22), Thai Stanley Electric (Thailand) PCL's current share price is ฿196.85185. Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ฿279.04. Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio for today is 0.71.

The historical rank and industry rank for Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio or its related term are showing as below:

BKK:STANLY-R' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.67   Med: 0.89   Max: 1.94
Current: 0.86

During the past years, Thai Stanley Electric (Thailand) PCL's highest Cyclically Adjusted PB Ratio was 1.94. The lowest was 0.67. And the median was 0.89.

BKK:STANLY-R's Cyclically Adjusted PB Ratio is ranked better than
65.21% of 1032 companies
in the Vehicles & Parts industry
Industry Median: 1.27 vs BKK:STANLY-R: 0.86

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.

Thai Stanley Electric (Thailand) PCL's adjusted book value per share data for the three months ended in Mar. 2026 was ฿283.164. 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 ฿279.04 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Thai Stanley Electric (Thailand) PCL  (BKK:STANLY-R) 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.


Thai Stanley Electric (Thailand) PCL Cyclically Adjusted PB Ratio Related Terms


Thai Stanley Electric (Thailand) PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Thai Stanley Electric (Thailand) PCL'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.

Thai Stanley Electric (Thailand) PCL Cyclically Adjusted PB Ratio Chart

Thai Stanley Electric (Thailand) PCL 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 0.84 0.78 0.83 0.83 0.71

Thai Stanley Electric (Thailand) PCL 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 0.83 0.75 0.67 0.70 0.71

BKK:STANLY-R vs ORLY, AZO: Cyclically Adjusted PB Ratio Comparison

For the Auto Parts subindustry, Thai Stanley Electric (Thailand) PCL'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.


Thai Stanley Electric (Thailand) PCL Cyclically Adjusted PB Ratio vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio falls into.


BKK:STANLY-R
73GF Score
Thai Stanley Electric (Thailand) PCL BKK:STANLY-R
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Thai Stanley Electric (Thailand) PCL 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.

Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=196.85185/279.04
=0.71

* 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.

Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Thai Stanley Electric (Thailand) PCL'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)
=283.164/330.2130*330.2130
=283.164

Current CPI (Mar. 2026) = 330.2130.

Thai Stanley Electric (Thailand) PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 166.374 241.018 227.945
201609 165.492 241.428 226.352
201612 170.510 241.432 233.211
201703 174.114 243.801 235.826
201706 178.083 244.955 240.066
201709 178.062 246.819 238.225
201712 182.824 246.524 244.888
201803 189.643 249.554 250.938
201806 195.301 251.989 255.928
201809 194.355 252.439 254.234
201812 201.587 251.233 264.960
201903 208.373 254.202 270.680
201906 212.186 256.143 273.545
201909 211.380 256.759 271.852
201912 217.183 256.974 279.081
202003 226.060 258.115 289.204
202006 235.588 257.797 301.765
202009 231.238 260.280 293.368
202012 236.007 260.474 299.195
202103 244.278 264.877 304.533
202106 250.140 271.696 304.014
202109 250.040 274.310 300.997
202112 255.007 278.802 302.030
202203 261.361 287.504 300.186
202206 267.169 296.311 297.737
202209 266.481 296.808 296.473
202212 269.397 296.797 299.728
202303 277.804 301.836 303.922
202306 263.833 305.109 285.541
202309 269.548 307.789 289.186
202312 274.132 306.746 295.104
202403 283.225 312.332 299.440
202406 287.539 314.175 302.217
202409 268.221 315.301 280.906
202412 273.193 315.605 285.838
202503 279.280 319.799 288.375
202506 271.634 322.561 278.078
202509 278.461 324.800 283.102
202512 276.152 324.054 281.401
202603 283.164 330.213 283.164

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 0.71 mean?
Thai Stanley Electric (Thailand) PCL (BKK:STANLY-R) has a Cyclically Adjusted PB Ratio of 0.71 as of Jul. 22, 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 Thai Stanley Electric (Thailand) PCL and its competitors. This is 20% below median its historical median of 0.89. Over the past decade, Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio has ranged from 0.67 to 1.94. According to the industry distribution chart, Thai Stanley Electric (Thailand) PCL ranks #359 out of 1032 companies in the Vehicles & Parts industry, placing it in the top 34.8%.
Is Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio too high?
Thai Stanley Electric (Thailand) PCL's current Cyclically Adjusted PB Ratio of 0.71 is 20% below median its 10-year median of 0.89. Over the past 10 years, this metric has ranged from a low of 0.67 to a high of 1.94. The Vehicles & Parts industry median Cyclically Adjusted PB Ratio is 1.27. Thai Stanley Electric (Thailand) PCL's value of 0.71 is 44.1% below this industry median. Based on the distribution chart, Thai Stanley Electric (Thailand) PCL ranks #359 out of 1032 companies in the Vehicles & Parts industry, which is above the industry midpoint. Overall, Thai Stanley Electric (Thailand) PCL has a GF Score™ of 73/100, reflecting its overall financial health beyond just this single metric.
How does Thai Stanley Electric (Thailand) PCL's Cyclically Adjusted PB Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Thai Stanley Electric (Thailand) PCL ranks #359 out of 1032 companies for Cyclically Adjusted PB Ratio. This puts Thai Stanley Electric (Thailand) PCL in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.27. Thai Stanley Electric (Thailand) PCL's value of 0.71 is 44.1% below this benchmark. Historically, Thai Stanley Electric (Thailand) PCL's own Cyclically Adjusted PB Ratio has ranged from 0.67 to 1.94 over the past decade. While the company's 10-year median is 0.89 vs. the industry median of 1.27, Thai Stanley Electric (Thailand) PCL 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 Vehicles & Parts company?
The median Cyclically Adjusted PB Ratio among Vehicles & Parts companies is 1.27, based on 1,032 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. Thai Stanley Electric (Thailand) PCL's current Cyclically Adjusted PB Ratio of 0.71 is 44.1% 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 Thai Stanley Electric (Thailand) PCL and its competitors. For the Vehicles & Parts industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Stanley Electric (Thailand) PCL's current Cyclically Adjusted PB Ratio is 0.71, which is 20% below median its own 10-year median of 0.89. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Stanley Electric (Thailand) PCL stock overvalued right now?
Thai Stanley Electric (Thailand) PCL (BKK:STANLY-R) has a current Cyclically Adjusted PB Ratio of 0.71. The stock's GF Value™ is ฿149.52, compared to a current price of ฿196.85 — trading 31.7% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.71, which is 20% below median its 10-year median of 0.89 and 44.1% below the Vehicles & Parts industry median of 1.27. Thai Stanley Electric (Thailand) PCL's overall GF Score™ is 73/100 with 7 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 Thai Stanley Electric (Thailand) PCL (BKK:STANLY-R), the current Cyclically Adjusted PB Ratio is 0.71 as of Jul. 22, 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 Thai Stanley Electric (Thailand) PCL (BKK:STANLY-R) Overvalued in 2026?

Based on GuruFocus' analysis, Thai Stanley Electric (Thailand) PCL stock appears to be overvalued. The current stock price of ฿196.85 is trading 31.7% above its estimated GF Value™ of ฿149.52.

Key valuation signals for BKK:STANLY-R:

  • Cyclically Adjusted PB Ratio: 0.71 (20% below median its 10-year median of 0.89)
  • GF Value™: ฿149.52 vs. price of ฿196.85 (31.7% above fair value)
  • GF Score™: 73/100 with 7 warning signs
  • Industry Position: 44.1% below the Vehicles & Parts median (#359 of 1032)

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


Thai Stanley Electric (Thailand) PCL Business Description

Other Exchanges STANLY:Thailand
Address 29/3 Moo 1 Bangpoon-Rungsit Road, Ban Klang Subdistrict, Amphur Muang, Pathumthanee, Rangsit, THA, 12000
Thai Stanley Electric (Thailand) PCL is a Thailand-based company engaged in the manufacturing and selling of automotive bulbs, lighting equipment, molds and dies, and product designs. The company products include hheadlights, taillights, brake lights, rear combination lamps, wind screens, front winkers, fog lights, and other related products. The company generates maximum revenue from the auto bulbs and automotive lighting equipment.
73GF Score

Get the complete analysis for BKK:STANLY-R

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

฿196.85
Price
฿149.52
GF Value