Asia Electronic Material Co (ROCO:4939) Cyclically Adjusted PB Ratio: 3.50 (As of Aug. 20, 2026) — 194% Above Median

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ROCO:4939 Asia Electronic Material Co Ltd ROCO:4939
49 GF Score
Price NT$62.70
GF Value NT$20.40
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Asia Electronic Material Co Cyclically Adjusted PB Ratio?

Asia Electronic Material Co ROCO:4939 +3.64% 49 Cyclically Adjusted PB Ratio is 3.50 as of Aug. 20, 2026, which is 194% above its 10-year median of 1.19. GuruFocus rates ROCO:4939 with a GF Score™ of 49/100 and a GF Value™ of NT$20.40 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 1,953 Hardware companies, Asia Electronic Material Co ranks worse than 67.03% on this metric.

As of today (2026-08-20), Asia Electronic Material Co's current share price is NT$62.70. Asia Electronic Material Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was NT$17.92. Asia Electronic Material Co's Cyclically Adjusted PB Ratio for today is 3.50.

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

ROCO:4939' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.59   Med: 1.19   Max: 3.73
Current: 3.38

During the past years, Asia Electronic Material Co's highest Cyclically Adjusted PB Ratio was 3.73. The lowest was 0.59. And the median was 1.19.

ROCO:4939's Cyclically Adjusted PB Ratio is ranked worse than
67.03% of 1953 companies
in the Hardware industry
Industry Median: 2.09 vs ROCO:4939: 3.38

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.

Asia Electronic Material Co's adjusted book value per share data for the three months ended in Jun. 2026 was NT$15.450. 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$17.92 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Asia Electronic Material Co  (ROCO:4939) 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.


Asia Electronic Material Co Cyclically Adjusted PB Ratio Related Terms


Asia Electronic Material Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Asia Electronic Material 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.

Asia Electronic Material Co Cyclically Adjusted PB Ratio Chart

Asia Electronic Material 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 1.43 0.85 1.22 1.16 2.10

Asia Electronic Material Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 1.11 1.38 2.10 1.54 3.59

ROCO:4939 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Asia Electronic Material 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.


Asia Electronic Material Co Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Asia Electronic Material Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Asia Electronic Material Co's Cyclically Adjusted PB Ratio falls into.


ROCO:4939
49GF Score
Asia Electronic Material Co Ltd ROCO:4939
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Asia Electronic Material 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.

Asia Electronic Material Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=62.70/17.92
=3.50

* 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.

Asia Electronic Material Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Asia Electronic Material Co's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=15.45/333.9520*333.9520
=15.450

Current CPI (Jun. 2026) = 333.9520.

Asia Electronic Material Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 11.983 241.428 16.575
201612 12.467 241.432 17.245
201703 12.195 243.801 16.704
201706 12.659 244.955 17.258
201709 13.235 246.819 17.907
201712 13.487 246.524 18.270
201803 15.537 249.554 20.792
201806 15.307 251.989 20.286
201809 15.430 252.439 20.412
201812 15.399 251.233 20.469
201903 15.651 254.202 20.561
201906 15.005 256.143 19.563
201909 14.855 256.759 19.321
201912 14.316 256.974 18.604
202003 14.289 258.115 18.487
202006 14.027 257.797 18.171
202009 14.971 260.280 19.209
202012 16.015 260.474 20.533
202103 16.352 264.877 20.616
202106 16.708 271.696 20.536
202109 15.927 274.310 19.390
202112 16.403 278.802 19.648
202203 17.327 287.504 20.126
202206 15.643 296.311 17.630
202209 15.899 296.808 17.889
202212 15.720 296.797 17.688
202303 15.856 301.836 17.543
202306 15.036 305.109 16.457
202309 15.921 307.789 17.274
202312 15.460 306.746 16.831
202403 16.139 312.332 17.256
202406 15.808 314.175 16.803
202409 15.780 315.301 16.713
202412 15.770 315.605 16.687
202503 16.043 319.799 16.753
202506 12.319 322.561 12.754
202509 13.172 324.800 13.543
202512 13.767 324.054 14.188
202603 14.581 330.213 14.746
202606 15.450 333.952 15.450

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 3.50 mean?
Asia Electronic Material Co (ROCO:4939) has a Cyclically Adjusted PB Ratio of 3.50 as of Aug. 20, 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 Asia Electronic Material Co and its competitors. This is 194% above median its historical median of 1.19. Over the past decade, Asia Electronic Material Co's Cyclically Adjusted PB Ratio has ranged from 0.59 to 3.73. According to the industry distribution chart, Asia Electronic Material Co ranks #1309 out of 1953 companies in the Hardware industry, placing it in the top 67%.
Is Asia Electronic Material Co's Cyclically Adjusted PB Ratio too high?
Asia Electronic Material Co's current Cyclically Adjusted PB Ratio of 3.50 is 194% above median its 10-year median of 1.19. Over the past 10 years, this metric has ranged from a low of 0.59 to a high of 3.73. The Hardware industry median Cyclically Adjusted PB Ratio is 2.09. Asia Electronic Material Co's value of 3.50 is 67.5% above this industry median. Based on the distribution chart, Asia Electronic Material Co ranks #1309 out of 1953 companies in the Hardware industry, which is below the industry midpoint. Overall, Asia Electronic Material Co has a GF Score™ of 49/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Asia Electronic Material Co's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Asia Electronic Material Co ranks #1309 out of 1953 companies for Cyclically Adjusted PB Ratio. This places Asia Electronic Material Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.09. Asia Electronic Material Co's value of 3.50 is 67.5% above this benchmark. Historically, Asia Electronic Material Co's own Cyclically Adjusted PB Ratio has ranged from 0.59 to 3.73 over the past decade. While the company's 10-year median is 1.19 vs. the industry median of 2.09, Asia Electronic Material 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.09, based on 1,953 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. Asia Electronic Material Co's current Cyclically Adjusted PB Ratio of 3.50 is 67.5% 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 Asia Electronic Material Co and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.09 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Asia Electronic Material Co's current Cyclically Adjusted PB Ratio is 3.50, which is 194% above median its own 10-year median of 1.19. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Asia Electronic Material Co stock overvalued right now?
Based on GuruFocus' analysis, Asia Electronic Material Co (ROCO:4939) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$20.40, compared to a current price of NT$62.70 — trading 207.4% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.50, which is 194% above median its 10-year median of 1.19 and 67.5% above the Hardware industry median of 2.09. Asia Electronic Material Co's overall GF Score™ is 49/100 with 8 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 Asia Electronic Material Co (ROCO:4939), the current Cyclically Adjusted PB Ratio is 3.50 as of Aug. 20, 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 Asia Electronic Material Co (ROCO:4939) Overvalued in 2026?

Based on GuruFocus' analysis, Asia Electronic Material Co stock appears to be overvalued. The current stock price of NT$62.70 is trading 207.4% above its estimated GF Value™ of NT$20.40. GuruFocus considers Asia Electronic Material Co to be Significantly Overvalued.

Key valuation signals for ROCO:4939:

  • Cyclically Adjusted PB Ratio: 3.50 (194% above median its 10-year median of 1.19)
  • GF Value™: NT$20.40 vs. price of NT$62.70 (207.4% above fair value)
  • GF Score™: 49/100 with 8 warning signs
  • Industry Position: 67.5% above the Hardware median (#1309 of 1953)

No single metric tells the full story. See the ROCO:4939 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Asia Electronic Material Co Business Description

Address No. 3, HuanKe 1st Road, 6th Floor-7, Hsinchu County, Zhubei, TWN, 302
Asia Electronic Material Co Ltd is engaged in manufacture of electronic products and sale of electronic materials. Geographically, the company operates in Taiwan, China, and Other Countries, of which it derives maximum revenue from China. it mainly researches, develops, manufactures and markets flexible copper clad laminate (FCCL), coverlay (CL), stiffener and bonding sheet. Its products are used in Mobile phones, smart phones, digital cameras, laptop PCs, tablet PCs, LCD monitors, printer inkjet heads, hard drive heads, a variety of flat panel displays, touch modules, antenna panels, batteries and LED backlight module light bar etc.
49GF Score

Get the complete analysis for ROCO:4939

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

NT$62.70
Price
NT$20.40
GF Value