RoyalTek Co (ROCO:3306) Cyclically Adjusted PB Ratio: 1.00 (As of Aug. 12, 2026) — 22% Above 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.

ROCO:3306 RoyalTek Co Ltd ROCO:3306
68 GF Score
Price NT$44.50
GF Value NT$48.38
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is RoyalTek Co Cyclically Adjusted PB Ratio?

RoyalTek Co ROCO:3306 +1.14% 68 Cyclically Adjusted PB Ratio is 1.00 as of Aug. 12, 2026, which is 22% above its 10-year median of 0.82. GuruFocus rates ROCO:3306 with a GF Score™ of 68/100 and a GF Value™ of NT$48.38 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,967 Hardware companies, RoyalTek Co ranks better than 71.63% on this metric.

As of today (2026-08-12), RoyalTek Co's current share price is NT$44.50. RoyalTek Co's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$44.63. RoyalTek Co's Cyclically Adjusted PB Ratio for today is 1.00.

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

ROCO:3306' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.48   Med: 0.82   Max: 1.96
Current: 0.98

During the past years, RoyalTek Co's highest Cyclically Adjusted PB Ratio was 1.96. The lowest was 0.48. And the median was 0.82.

ROCO:3306's Cyclically Adjusted PB Ratio is ranked better than
71.63% of 1967 companies
in the Hardware industry
Industry Median: 2.09 vs ROCO:3306: 0.98

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.

RoyalTek Co's adjusted book value per share data for the three months ended in Mar. 2026 was NT$64.390. 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$44.63 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


RoyalTek Co  (ROCO:3306) 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.


RoyalTek Co Cyclically Adjusted PB Ratio Related Terms


RoyalTek Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for RoyalTek 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.

RoyalTek Co Cyclically Adjusted PB Ratio Chart

RoyalTek 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 1.11 0.66 1.36 1.54 1.15

RoyalTek Co 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 1.05 0.96 1.30 1.15 1.03

ROCO:3306 vs COHR, KEYS, GRMN: Cyclically Adjusted PB Ratio Comparison

For the Scientific & Technical Instruments subindustry, RoyalTek 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.


RoyalTek Co Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


ROCO:3306
68GF Score
RoyalTek Co Ltd ROCO:3306
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

RoyalTek 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.

RoyalTek Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=44.50/44.63
=1.00

* 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.

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

For example, RoyalTek Co'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)
=64.39/330.2130*330.2130
=64.390

Current CPI (Mar. 2026) = 330.2130.

RoyalTek Co Quarterly Data

Book Value per Share CPI Adj_Book
201606 28.307 241.018 38.783
201609 29.083 241.428 39.778
201612 27.704 241.432 37.892
201703 27.748 243.801 37.583
201706 28.724 244.955 38.722
201709 28.152 246.819 37.664
201712 26.526 246.524 35.531
201803 26.126 249.554 34.570
201806 25.391 251.989 33.273
201809 25.311 252.439 33.109
201812 24.635 251.233 32.379
201903 25.835 254.202 33.560
201906 26.900 256.143 34.679
201909 26.483 256.759 34.059
201912 27.767 256.974 35.681
202003 26.627 258.115 34.065
202006 28.374 257.797 36.344
202009 29.060 260.280 36.868
202012 29.935 260.474 37.950
202103 32.933 264.877 41.056
202106 32.090 271.696 39.001
202109 30.089 274.310 36.221
202112 33.437 278.802 39.603
202203 33.098 287.504 38.015
202206 30.937 296.311 34.477
202209 30.242 296.808 33.646
202212 29.092 296.797 32.367
202303 32.040 301.836 35.052
202306 42.941 305.109 46.474
202309 57.122 307.789 61.284
202312 55.484 306.746 59.729
202403 66.934 312.332 70.766
202406 70.294 314.175 73.882
202409 63.133 315.301 66.119
202412 67.227 315.605 70.339
202503 55.154 319.799 56.950
202506 65.548 322.561 67.103
202509 68.385 324.800 69.525
202512 65.509 324.054 66.754
202603 64.390 330.213 64.390

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 1.00 mean?
RoyalTek Co (ROCO:3306) has a Cyclically Adjusted PB Ratio of 1.00 as of Aug. 12, 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 RoyalTek Co and its competitors. This is 22% above median its historical median of 0.82. Over the past decade, RoyalTek Co's Cyclically Adjusted PB Ratio has ranged from 0.48 to 1.96. According to the industry distribution chart, RoyalTek Co ranks #558 out of 1967 companies in the Hardware industry, placing it in the top 28.4%.
Is RoyalTek Co's Cyclically Adjusted PB Ratio too high?
RoyalTek Co's current Cyclically Adjusted PB Ratio of 1.00 is 22% above median its 10-year median of 0.82. Over the past 10 years, this metric has ranged from a low of 0.48 to a high of 1.96. The Hardware industry median Cyclically Adjusted PB Ratio is 2.09. RoyalTek Co's value of 1.00 is 52.2% below this industry median. Based on the distribution chart, RoyalTek Co ranks #558 out of 1967 companies in the Hardware industry, which is above the industry midpoint. Overall, RoyalTek Co has a GF Score™ of 68/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does RoyalTek Co's Cyclically Adjusted PB Ratio compare to COHR and KEYS?
According to the Hardware industry distribution chart, RoyalTek Co ranks #558 out of 1967 companies for Cyclically Adjusted PB Ratio. This puts RoyalTek Co in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.09. RoyalTek Co's value of 1.00 is 52.2% below this benchmark. Historically, RoyalTek Co's own Cyclically Adjusted PB Ratio has ranged from 0.48 to 1.96 over the past decade. While the company's 10-year median is 0.82 vs. the industry median of 2.09, RoyalTek Co 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 2.09, based on 1,967 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. RoyalTek Co's current Cyclically Adjusted PB Ratio of 1.00 is 52.2% 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 RoyalTek 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. RoyalTek Co's current Cyclically Adjusted PB Ratio is 1.00, which is 22% above median its own 10-year median of 0.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is RoyalTek Co stock overvalued right now?
Based on GuruFocus' analysis, RoyalTek Co (ROCO:3306) is currently considered Fairly Valued. The stock's GF Value™ is NT$48.38, compared to a current price of NT$44.50 — trading 8% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.00, which is 22% above median its 10-year median of 0.82 and 52.2% below the Hardware industry median of 2.09. RoyalTek Co's overall GF Score™ is 68/100 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 RoyalTek Co (ROCO:3306), the current Cyclically Adjusted PB Ratio is 1.00 as of Aug. 12, 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 RoyalTek Co (ROCO:3306) Overvalued in 2026?

Based on GuruFocus' analysis, RoyalTek Co stock appears to be undervalued. The current stock price of NT$44.50 is trading 8% below its estimated GF Value™ of NT$48.38. GuruFocus considers RoyalTek Co to be Fairly Valued.

Key valuation signals for ROCO:3306:

  • Cyclically Adjusted PB Ratio: 1.00 (22% above median its 10-year median of 0.82)
  • GF Value™: NT$48.38 vs. price of NT$44.50 (8% below fair value)
  • GF Score™: 68/100 with 3 warning signs
  • Industry Position: 52.2% below the Hardware median (#558 of 1967)

No single metric tells the full story. See the ROCO:3306 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


RoyalTek Co Business Description

Address 4F, No 188 Wen Hwa 2nd Road, 8th Floor, Kuei Shan, Taoyuan, TWN
RoyalTek Co Ltd is a Taiwan-based company engages in the production and distribution of global positioning system (GPS) products. It offers audio video navigation system (AVN), portable navigation device (PND), advanced driving assistance system (ADAS), driving video recorder (DVR), electronic accessories for automobiles and engine board for GPS.
68GF Score

Get the complete analysis for ROCO:3306

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

NT$44.50
Price
NT$48.38
GF Value