AlgolTek (ROCO:6684) Cyclically Adjusted PB Ratio: 1.77 (As of Aug. 20, 2026) — Near Median

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ROCO:6684 AlgolTek Inc ROCO:6684
74 GF Score
Price NT$46.45
GF Value NT$45.20
Valuation Fairly Valued
! 3 Warning Signs
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What is AlgolTek Cyclically Adjusted PB Ratio?

AlgolTek ROCO:6684 +0.76% 74 Cyclically Adjusted PB Ratio is 1.77 as of Aug. 20, 2026, which is 2% below its 10-year median of 1.80. GuruFocus rates ROCO:6684 with a GF Score™ of 74/100 and a GF Value™ of NT$45.20 (Fairly Valued). The stock has 3 warning signs investors should review. Among 726 Semiconductors companies, AlgolTek ranks better than 67.49% on this metric.

As of today (2026-08-20), AlgolTek's current share price is NT$46.45. AlgolTek's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was NT$26.23. AlgolTek's Cyclically Adjusted PB Ratio for today is 1.77.

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

ROCO:6684' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.68   Med: 1.8   Max: 1.95
Current: 1.83

During the past 10 years, AlgolTek's highest Cyclically Adjusted PB Ratio was 1.95. The lowest was 1.68. And the median was 1.80.

ROCO:6684's Cyclically Adjusted PB Ratio is ranked better than
67.49% of 726 companies
in the Semiconductors industry
Industry Median: 3.24 vs ROCO:6684: 1.83

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.

AlgolTek's adjusted book value per share data of for the fiscal year that ended in Dec25 was NT$36.106. 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$26.23 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


AlgolTek  (ROCO:6684) 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.


AlgolTek Cyclically Adjusted PB Ratio Related Terms


AlgolTek Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for AlgolTek'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.

AlgolTek Cyclically Adjusted PB Ratio Chart

AlgolTek 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 1.95

AlgolTek 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 0.00 0.00 0.00 1.95 0.00

ROCO:6684 vs AMAT, LRCX, KLAC: Cyclically Adjusted PB Ratio Comparison

For the Semiconductor Equipment & Materials subindustry, AlgolTek'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.


AlgolTek Cyclically Adjusted PB Ratio vs Semiconductors Industry

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

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


ROCO:6684
74GF Score
AlgolTek Inc ROCO:6684
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

AlgolTek 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.

AlgolTek's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=46.45/26.23
=1.77

* 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.

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

For example, AlgolTek'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)
=36.106/324.0540*324.0540
=36.106

Current CPI (Dec25) = 324.0540.

AlgolTek Annual Data

Book Value per Share CPI Adj_Book
201612 5.438 241.432 7.299
201712 14.711 246.524 19.338
201812 14.561 251.233 18.782
201912 14.215 256.974 17.926
202012 15.917 260.474 19.802
202112 33.488 278.802 38.923
202212 23.131 296.797 25.255
202312 39.580 306.746 41.813
202412 36.107 315.605 37.074
202512 36.106 324.054 36.106

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 1.77 mean?
AlgolTek (ROCO:6684) has a Cyclically Adjusted PB Ratio of 1.77 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 AlgolTek and its competitors. This is near median its historical median of 1.80. Over the past decade, AlgolTek's Cyclically Adjusted PB Ratio has ranged from 1.68 to 1.95. According to the industry distribution chart, AlgolTek ranks #236 out of 726 companies in the Semiconductors industry, placing it in the top 32.5%.
Is AlgolTek's Cyclically Adjusted PB Ratio too high?
AlgolTek's current Cyclically Adjusted PB Ratio of 1.77 is near median its 10-year median of 1.80. Over the past 10 years, this metric has ranged from a low of 1.68 to a high of 1.95. The Semiconductors industry median Cyclically Adjusted PB Ratio is 3.24. AlgolTek's value of 1.77 is 45.4% below this industry median. Based on the distribution chart, AlgolTek ranks #236 out of 726 companies in the Semiconductors industry, which is above the industry midpoint. Overall, AlgolTek has a GF Score™ of 74/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does AlgolTek's Cyclically Adjusted PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, AlgolTek ranks #236 out of 726 companies for Cyclically Adjusted PB Ratio. This puts AlgolTek in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 3.24. AlgolTek's value of 1.77 is 45.4% below this benchmark. Historically, AlgolTek's own Cyclically Adjusted PB Ratio has ranged from 1.68 to 1.95 over the past decade. While the company's 10-year median is 1.80 vs. the industry median of 3.24, AlgolTek 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 Semiconductors company?
The median Cyclically Adjusted PB Ratio among Semiconductors companies is 3.24, based on 726 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. AlgolTek's current Cyclically Adjusted PB Ratio of 1.77 is 45.4% 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 AlgolTek and its competitors. For the Semiconductors industry, the median Cyclically Adjusted PB Ratio is 3.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. AlgolTek's current Cyclically Adjusted PB Ratio is 1.77, which is near median its own 10-year median of 1.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AlgolTek stock overvalued right now?
Based on GuruFocus' analysis, AlgolTek (ROCO:6684) is currently considered Fairly Valued. The stock's GF Value™ is NT$45.20, compared to a current price of NT$46.45 — trading 2.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.77, which is near median its 10-year median of 1.80 and 45.4% below the Semiconductors industry median of 3.24. AlgolTek's overall GF Score™ is 74/100 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 AlgolTek (ROCO:6684), the current Cyclically Adjusted PB Ratio is 1.77 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 AlgolTek (ROCO:6684) Overvalued in 2026?

Based on GuruFocus' analysis, AlgolTek stock appears to be overvalued. The current stock price of NT$46.45 is trading 2.8% above its estimated GF Value™ of NT$45.20. GuruFocus considers AlgolTek to be Fairly Valued.

Key valuation signals for ROCO:6684:

  • Cyclically Adjusted PB Ratio: 1.77 (near median its 10-year median of 1.80)
  • GF Value™: NT$45.20 vs. price of NT$46.45 (2.8% above fair value)
  • GF Score™: 74/100 with 3 warning signs
  • Industry Position: 45.4% below the Semiconductors median (#236 of 726)

No single metric tells the full story. See the ROCO:6684 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


AlgolTek Business Description

Address No. 55, Gaotie 2nd Road, Hsinchu County, Zhubei, TWN, 30274
AlgolTek Inc develops and sells various multimedia video conversion control chips and other control chips. It provides a total solution for video conversion in different formats such as MHL, HDMI, VGA, DisplayPort, Type-C ALT mode, and others. The company also provides ASIC solutions for switching/splitting video signals between sink and source devices.
74GF Score

Get the complete analysis for ROCO:6684

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

NT$46.45
Price
NT$45.20
GF Value