Prosperity Dielectrics Co (ROCO:6173) Cyclically Adjusted PB Ratio: 5.62 (As of Aug. 22, 2026) — 207% Above Median

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ROCO:6173 Prosperity Dielectrics Co Ltd ROCO:6173
57 GF Score
Price NT$212.00
GF Value NT$59.05
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Prosperity Dielectrics Co Cyclically Adjusted PB Ratio?

Prosperity Dielectrics Co ROCO:6173 -4.07% 57 Cyclically Adjusted PB Ratio is 5.62 as of Aug. 22, 2026, which is 207% above its 10-year median of 1.83. GuruFocus rates ROCO:6173 with a GF Score™ of 57/100 and a GF Value™ of NT$59.05 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,951 Hardware companies, Prosperity Dielectrics Co ranks worse than 81.8% on this metric.

As of today (2026-08-22), Prosperity Dielectrics Co's current share price is NT$212.00. Prosperity Dielectrics Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was NT$37.75. Prosperity Dielectrics Co's Cyclically Adjusted PB Ratio for today is 5.62.

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

ROCO:6173' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1   Med: 1.83   Max: 9.28
Current: 5.62

During the past years, Prosperity Dielectrics Co's highest Cyclically Adjusted PB Ratio was 9.28. The lowest was 1.00. And the median was 1.83.

ROCO:6173's Cyclically Adjusted PB Ratio is ranked worse than
81.8% of 1951 companies
in the Hardware industry
Industry Median: 2.07 vs ROCO:6173: 5.62

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.

Prosperity Dielectrics Co's adjusted book value per share data for the three months ended in Jun. 2026 was NT$59.276. 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$37.75 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Prosperity Dielectrics Co  (ROCO:6173) 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.


Prosperity Dielectrics Co Cyclically Adjusted PB Ratio Related Terms


Prosperity Dielectrics Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Prosperity Dielectrics 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.

Prosperity Dielectrics Co Cyclically Adjusted PB Ratio Chart

Prosperity Dielectrics 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 2.73 1.33 1.70 1.34 1.93

Prosperity Dielectrics 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 1.54 1.93 1.62 8.22

ROCO:6173 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Prosperity Dielectrics 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.


Prosperity Dielectrics Co Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


ROCO:6173
57GF Score
Prosperity Dielectrics Co Ltd ROCO:6173
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Prosperity Dielectrics 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=212.00/37.75
=5.62

* 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.

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

For example, Prosperity Dielectrics 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)
=59.276/333.9520*333.9520
=59.276

Current CPI (Jun. 2026) = 333.9520.

Prosperity Dielectrics Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 15.631 241.428 21.621
201612 15.997 241.432 22.127
201703 16.585 243.801 22.718
201706 16.490 244.955 22.481
201709 18.134 246.819 24.536
201712 19.235 246.524 26.057
201803 20.043 249.554 26.821
201806 21.793 251.989 28.881
201809 23.903 252.439 31.621
201812 25.269 251.233 33.589
201903 27.257 254.202 35.808
201906 23.484 256.143 30.618
201909 24.473 256.759 31.831
201912 25.985 256.974 33.769
202003 24.975 258.115 32.313
202006 25.171 257.797 32.607
202009 27.809 260.280 35.680
202012 30.300 260.474 38.847
202103 32.560 264.877 41.051
202106 35.220 271.696 43.290
202109 34.933 274.310 42.528
202112 39.129 278.802 46.869
202203 38.061 287.504 44.210
202206 35.753 296.311 40.295
202209 36.900 296.808 41.518
202212 37.254 296.797 41.918
202303 39.039 301.836 43.193
202306 38.457 305.109 42.092
202309 39.310 307.789 42.651
202312 39.729 306.746 43.253
202403 41.386 312.332 44.251
202406 41.348 314.175 43.951
202409 41.019 315.301 43.445
202412 39.724 315.605 42.033
202503 40.284 319.799 42.067
202506 38.402 322.561 39.758
202509 42.427 324.800 43.622
202512 52.599 324.054 54.206
202603 52.078 330.213 52.668
202606 59.276 333.952 59.276

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 5.62 mean?
Prosperity Dielectrics Co (ROCO:6173) has a Cyclically Adjusted PB Ratio of 5.62 as of Aug. 22, 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 Prosperity Dielectrics Co and its competitors. This is 207% above median its historical median of 1.83. Over the past decade, Prosperity Dielectrics Co's Cyclically Adjusted PB Ratio has ranged from 1.00 to 9.28. According to the industry distribution chart, Prosperity Dielectrics Co ranks #1596 out of 1951 companies in the Hardware industry, placing it in the top 81.8%.
Is Prosperity Dielectrics Co's Cyclically Adjusted PB Ratio too high?
Prosperity Dielectrics Co's current Cyclically Adjusted PB Ratio of 5.62 is 207% above median its 10-year median of 1.83. Over the past 10 years, this metric has ranged from a low of 1.00 to a high of 9.28. The Hardware industry median Cyclically Adjusted PB Ratio is 2.07. Prosperity Dielectrics Co's value of 5.62 is 171.5% above this industry median. Based on the distribution chart, Prosperity Dielectrics Co ranks #1596 out of 1951 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Prosperity Dielectrics Co has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Prosperity Dielectrics Co's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Prosperity Dielectrics Co ranks #1596 out of 1951 companies for Cyclically Adjusted PB Ratio. This places Prosperity Dielectrics Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.07. Prosperity Dielectrics Co's value of 5.62 is 171.5% above this benchmark. Historically, Prosperity Dielectrics Co's own Cyclically Adjusted PB Ratio has ranged from 1.00 to 9.28 over the past decade. While the company's 10-year median is 1.83 vs. the industry median of 2.07, Prosperity Dielectrics 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 2.07, based on 1,951 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. Prosperity Dielectrics Co's current Cyclically Adjusted PB Ratio of 5.62 is 171.5% 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 Prosperity Dielectrics Co and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Prosperity Dielectrics Co's current Cyclically Adjusted PB Ratio is 5.62, which is 207% above median its own 10-year median of 1.83. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Prosperity Dielectrics Co stock overvalued right now?
Based on GuruFocus' analysis, Prosperity Dielectrics Co (ROCO:6173) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$59.05, compared to a current price of NT$212.00 — trading 259% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 5.62, which is 207% above median its 10-year median of 1.83 and 171.5% above the Hardware industry median of 2.07. Prosperity Dielectrics Co's overall GF Score™ is 57/100 with 4 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 Prosperity Dielectrics Co (ROCO:6173), the current Cyclically Adjusted PB Ratio is 5.62 as of Aug. 22, 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 Prosperity Dielectrics Co (ROCO:6173) Overvalued in 2026?

Based on GuruFocus' analysis, Prosperity Dielectrics Co stock appears to be overvalued. The current stock price of NT$212.00 is trading 259% above its estimated GF Value™ of NT$59.05. GuruFocus considers Prosperity Dielectrics Co to be Significantly Overvalued.

Key valuation signals for ROCO:6173:

  • Cyclically Adjusted PB Ratio: 5.62 (207% above median its 10-year median of 1.83)
  • GF Value™: NT$59.05 vs. price of NT$212.00 (259% above fair value)
  • GF Score™: 57/100 with 4 warning signs
  • Industry Position: 171.5% above the Hardware median (#1596 of 1951)

No single metric tells the full story. See the ROCO:6173 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Prosperity Dielectrics Co Business Description

Address No. 566-1, KaoShi Road, No.566-1, Yangmei, Taoyuan, TWN, 326103
Prosperity Dielectrics Co Ltd mainly manufactures, processes and sells multilayer ceramic capacitors (MLCC), chip resistors and ceramic dielectric powders. The company has two segment Taiwan segment, and China segment. The company generates majority of revenue from Taiwan segment. The Group operates in three principal geographical areas - Asia, America and Europe. Its products are Multilayer Ceramic Capacitors includes FK/FH Safety Certified Capacitor, FV High Voltage Capacitor; Chip Resistors includes Current Sensing, Wide Terminal, Automotive, High Voltage; Inductor includes Air Wound Coil, Wire-Wound Ceramic, Chip Inductor, Common Mode Choke; Ceramic Dielectric Powders includes Barium Titanate Powder, MLCC Formulations, Microwave; Varistor includes MutiLayer Varistor Varistor, etc.
57GF Score

Get the complete analysis for ROCO:6173

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

NT$212.00
Price
NT$59.05
GF Value