Mildex Optical (ROCO:4729) Cyclically Adjusted PB Ratio: 1.06 (As of Aug. 16, 2026) — 22% Above Median

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ROCO:4729 Mildex Optical Inc ROCO:4729
49 GF Score
Price NT$19.45
GF Value NT$19.64
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is Mildex Optical Cyclically Adjusted PB Ratio?

Mildex Optical ROCO:4729 -1.77% 49 Cyclically Adjusted PB Ratio is 1.06 as of Aug. 16, 2026, which is 22% above its 10-year median of 0.87. GuruFocus rates ROCO:4729 with a GF Score™ of 49/100 and a GF Value™ of NT$19.64 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,962 Hardware companies, Mildex Optical ranks better than 70.29% on this metric.

As of today (2026-08-16), Mildex Optical's current share price is NT$19.45. Mildex Optical's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$18.33. Mildex Optical's Cyclically Adjusted PB Ratio for today is 1.06.

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

ROCO:4729' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.42   Med: 0.87   Max: 1.77
Current: 1.06

During the past years, Mildex Optical's highest Cyclically Adjusted PB Ratio was 1.77. The lowest was 0.42. And the median was 0.87.

ROCO:4729's Cyclically Adjusted PB Ratio is ranked better than
70.29% of 1962 companies
in the Hardware industry
Industry Median: 2.115 vs ROCO:4729: 1.06

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.

Mildex Optical's adjusted book value per share data for the three months ended in Mar. 2026 was NT$13.726. 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$18.33 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Mildex Optical  (ROCO:4729) 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.


Mildex Optical Cyclically Adjusted PB Ratio Related Terms


Mildex Optical Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Mildex Optical'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.

Mildex Optical Cyclically Adjusted PB Ratio Chart

Mildex Optical 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 0.89 0.78 0.83 1.34 1.32

Mildex Optical 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 1.14 1.08 1.28 1.32 1.06

ROCO:4729 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Mildex Optical'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.


Mildex Optical Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Mildex Optical's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


ROCO:4729
49GF Score
Mildex Optical Inc ROCO:4729
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Mildex Optical 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.

Mildex Optical's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=19.45/18.33
=1.06

* 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.

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

For example, Mildex Optical'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)
=13.726/330.2130*330.2130
=13.726

Current CPI (Mar. 2026) = 330.2130.

Mildex Optical Quarterly Data

Book Value per Share CPI Adj_Book
201606 24.057 241.018 32.960
201609 20.560 241.428 28.121
201612 17.848 241.432 24.411
201703 18.025 243.801 24.414
201706 18.538 244.955 24.990
201709 19.603 246.819 26.226
201712 18.929 246.524 25.355
201803 18.882 249.554 24.985
201806 19.287 251.989 25.274
201809 16.032 252.439 20.971
201812 14.414 251.233 18.945
201903 15.909 254.202 20.666
201906 15.736 256.143 20.286
201909 15.180 256.759 19.523
201912 14.445 256.974 18.562
202003 14.592 258.115 18.668
202006 14.353 257.797 18.385
202009 13.774 260.280 17.475
202012 12.917 260.474 16.375
202103 12.706 264.877 15.840
202106 12.291 271.696 14.938
202109 12.293 274.310 14.798
202112 11.081 278.802 13.124
202203 11.808 287.504 13.562
202206 12.141 296.311 13.530
202209 13.459 296.808 14.974
202212 13.857 296.797 15.417
202303 13.909 301.836 15.217
202306 13.941 305.109 15.088
202309 14.686 307.789 15.756
202312 13.963 306.746 15.031
202403 14.538 312.332 15.370
202406 14.383 314.175 15.117
202409 14.313 315.301 14.990
202412 14.796 315.605 15.481
202503 14.214 319.799 14.677
202506 12.287 322.561 12.578
202509 13.095 324.800 13.313
202512 13.738 324.054 13.999
202603 13.726 330.213 13.726

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 1.06 mean?
Mildex Optical (ROCO:4729) has a Cyclically Adjusted PB Ratio of 1.06 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 Mildex Optical and its competitors. This is 22% above median its historical median of 0.87. Over the past decade, Mildex Optical's Cyclically Adjusted PB Ratio has ranged from 0.42 to 1.77. According to the industry distribution chart, Mildex Optical ranks #583 out of 1962 companies in the Hardware industry, placing it in the top 29.7%.
Is Mildex Optical's Cyclically Adjusted PB Ratio too high?
Mildex Optical's current Cyclically Adjusted PB Ratio of 1.06 is 22% above median its 10-year median of 0.87. Over the past 10 years, this metric has ranged from a low of 0.42 to a high of 1.77. The Hardware industry median Cyclically Adjusted PB Ratio is 2.12. Mildex Optical's value of 1.06 is 49.9% below this industry median. Based on the distribution chart, Mildex Optical ranks #583 out of 1962 companies in the Hardware industry, which is above the industry midpoint. Overall, Mildex Optical has a GF Score™ of 49/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Mildex Optical's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Mildex Optical ranks #583 out of 1962 companies for Cyclically Adjusted PB Ratio. This puts Mildex Optical in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.12. Mildex Optical's value of 1.06 is 49.9% below this benchmark. Historically, Mildex Optical's own Cyclically Adjusted PB Ratio has ranged from 0.42 to 1.77 over the past decade. While the company's 10-year median is 0.87 vs. the industry median of 2.12, Mildex Optical 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.12, based on 1,962 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. Mildex Optical's current Cyclically Adjusted PB Ratio of 1.06 is 49.9% 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 Mildex Optical and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mildex Optical's current Cyclically Adjusted PB Ratio is 1.06, which is 22% above median its own 10-year median of 0.87. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mildex Optical stock overvalued right now?
Based on GuruFocus' analysis, Mildex Optical (ROCO:4729) is currently considered Fairly Valued. The stock's GF Value™ is NT$19.64, compared to a current price of NT$19.45 — trading 1% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.06, which is 22% above median its 10-year median of 0.87 and 49.9% below the Hardware industry median of 2.12. Mildex Optical's overall GF Score™ is 49/100 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 Mildex Optical (ROCO:4729), the current Cyclically Adjusted PB Ratio is 1.06 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 Mildex Optical (ROCO:4729) Overvalued in 2026?

Based on GuruFocus' analysis, Mildex Optical stock appears to be undervalued. The current stock price of NT$19.45 is trading 1% below its estimated GF Value™ of NT$19.64. GuruFocus considers Mildex Optical to be Fairly Valued.

Key valuation signals for ROCO:4729:

  • Cyclically Adjusted PB Ratio: 1.06 (22% above median its 10-year median of 0.87)
  • GF Value™: NT$19.64 vs. price of NT$19.45 (1% below fair value)
  • GF Score™: 49/100 with 3 warning signs
  • Industry Position: 49.9% below the Hardware median (#583 of 1962)

No single metric tells the full story. See the ROCO:4729 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Mildex Optical Business Description

Address No. 7, Luke 3rd Road, Luzhu District, Southern Science Industrial Park, Kaohsiung City, TWN, 821
Mildex Optical Inc is mainly engaged in the manufacture and trading of touch panels. The Company includes touch screen modules, touch display modules, and system total solutions. Its products include Touch Screens, Touch Display Modules, TPM & TDM Standard, and system solutions. It operates in Taiwan, which generates maximum revenue, as well as Asia, the Americas, and Europe.
49GF Score

Get the complete analysis for ROCO:4729

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

NT$19.45
Price
NT$19.64
GF Value