Luminescence Technology (ROCO:6729) Cyclically Adjusted PB Ratio: 2.68 (As of Aug. 16, 2026) — 22% Below Median

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ROCO:6729 Luminescence Technology Corp ROCO:6729
76 GF Score
Price NT$41.00
GF Value NT$24.80
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Luminescence Technology Cyclically Adjusted PB Ratio?

Luminescence Technology ROCO:6729 76 Cyclically Adjusted PB Ratio is 2.68 as of Aug. 16, 2026, which is 22% below its 10-year median of 3.44. GuruFocus rates ROCO:6729 with a GF Score™ of 76/100 and a GF Value™ of NT$24.80 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,203 Chemicals companies, Luminescence Technology ranks worse than 66.75% on this metric.

As of today (2026-08-16), Luminescence Technology's current share price is NT$41.00. Luminescence Technology's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was NT$15.30. Luminescence Technology's Cyclically Adjusted PB Ratio for today is 2.68.

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

ROCO:6729' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.39   Med: 3.44   Max: 4.51
Current: 2.68

During the past 10 years, Luminescence Technology's highest Cyclically Adjusted PB Ratio was 4.51. The lowest was 2.39. And the median was 3.44.

ROCO:6729's Cyclically Adjusted PB Ratio is ranked worse than
66.75% of 1203 companies
in the Chemicals industry
Industry Median: 1.68 vs ROCO:6729: 2.68

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.

Luminescence Technology's adjusted book value per share data of for the fiscal year that ended in Dec25 was NT$13.546. 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$15.30 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Luminescence Technology  (ROCO:6729) 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.


Luminescence Technology Cyclically Adjusted PB Ratio Related Terms


Luminescence Technology Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Luminescence Technology'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.

Luminescence Technology Cyclically Adjusted PB Ratio Chart

Luminescence Technology 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 0.00 0.00 0.00 0.00 2.57

Luminescence Technology Semi-Annual Data
Dec16 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 0.00 0.00 0.00 0.00 2.57

ROCO:6729 vs DOW: Cyclically Adjusted PB Ratio Comparison

For the Chemicals subindustry, Luminescence Technology'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.


Luminescence Technology Cyclically Adjusted PB Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Luminescence Technology's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


ROCO:6729
76GF Score
Luminescence Technology Corp ROCO:6729
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Luminescence Technology 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.

Luminescence Technology's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=41.00/15.30
=2.68

* 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.

Luminescence Technology's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Luminescence Technology's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=13.546/324.0540*324.0540
=13.546

Current CPI (Dec25) = 324.0540.

Luminescence Technology Annual Data

Book Value per Share CPI Adj_Book
201612 10.498 241.432 14.091
201712 14.182 246.524 18.642
201812 13.837 251.233 17.848
201912 12.948 256.974 16.328
202012 13.184 260.474 16.402
202112 13.049 278.802 15.167
202212 13.274 296.797 14.493
202312 12.939 306.746 13.669
202412 12.514 315.605 12.849
202512 13.546 324.054 13.546

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 2.68 mean?
Luminescence Technology (ROCO:6729) has a Cyclically Adjusted PB Ratio of 2.68 as of Aug. 16, 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 Luminescence Technology and its competitors. This is 22% below median its historical median of 3.44. Over the past decade, Luminescence Technology's Cyclically Adjusted PB Ratio has ranged from 2.39 to 4.51. According to the industry distribution chart, Luminescence Technology ranks #803 out of 1203 companies in the Chemicals industry, placing it in the top 66.7%.
Is Luminescence Technology's Cyclically Adjusted PB Ratio too high?
Luminescence Technology's current Cyclically Adjusted PB Ratio of 2.68 is 22% below median its 10-year median of 3.44. Over the past 10 years, this metric has ranged from a low of 2.39 to a high of 4.51. The Chemicals industry median Cyclically Adjusted PB Ratio is 1.68. Luminescence Technology's value of 2.68 is 59.5% above this industry median. Based on the distribution chart, Luminescence Technology ranks #803 out of 1203 companies in the Chemicals industry, which is below the industry midpoint. Overall, Luminescence Technology has a GF Score™ of 76/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Luminescence Technology's Cyclically Adjusted PB Ratio compare to DOW?
According to the Chemicals industry distribution chart, Luminescence Technology ranks #803 out of 1203 companies for Cyclically Adjusted PB Ratio. This places Luminescence Technology in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.68. Luminescence Technology's value of 2.68 is 59.5% above this benchmark. Historically, Luminescence Technology's own Cyclically Adjusted PB Ratio has ranged from 2.39 to 4.51 over the past decade. While the company's 10-year median is 3.44 vs. the industry median of 1.68, Luminescence Technology 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 Chemicals company?
The median Cyclically Adjusted PB Ratio among Chemicals companies is 1.68, based on 1,203 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. Luminescence Technology's current Cyclically Adjusted PB Ratio of 2.68 is 59.5% 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 Luminescence Technology and its competitors. For the Chemicals industry, the median Cyclically Adjusted PB Ratio is 1.68 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luminescence Technology's current Cyclically Adjusted PB Ratio is 2.68, which is 22% below median its own 10-year median of 3.44. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luminescence Technology stock overvalued right now?
Based on GuruFocus' analysis, Luminescence Technology (ROCO:6729) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$24.80, compared to a current price of NT$41.00 — trading 65.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.68, which is 22% below median its 10-year median of 3.44 and 59.5% above the Chemicals industry median of 1.68. Luminescence Technology's overall GF Score™ is 76/100 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 Luminescence Technology (ROCO:6729), the current Cyclically Adjusted PB Ratio is 2.68 as of Aug. 16, 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 Luminescence Technology (ROCO:6729) Overvalued in 2026?

Based on GuruFocus' analysis, Luminescence Technology stock appears to be overvalued. The current stock price of NT$41.00 is trading 65.3% above its estimated GF Value™ of NT$24.80. GuruFocus considers Luminescence Technology to be Significantly Overvalued.

Key valuation signals for ROCO:6729:

  • Cyclically Adjusted PB Ratio: 2.68 (22% below median its 10-year median of 3.44)
  • GF Value™: NT$24.80 vs. price of NT$41.00 (65.3% above fair value)
  • GF Score™: 76/100 with 2 warning signs
  • Industry Position: 59.5% above the Chemicals median (#803 of 1203)

No single metric tells the full story. See the ROCO:6729 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Luminescence Technology Business Description

Address No. 17, Randhan 2nd Road, 2nd Floor, New Taipei City, TWN, 22175
Luminescence Technology Corp is a Taiwan based chemical manufacturing company. The firm's product range consists of OLED material, OPV material, OTFT material, Organic intermediates, Boronic Acid, ITO patterned glass and components among others.
76GF Score

Get the complete analysis for ROCO:6729

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

NT$41.00
Price
NT$24.80
GF Value