Prolific Technology (ROCO:6233) Cyclically Adjusted PB Ratio: 1.45 (As of Aug. 17, 2026) — 17% Below Median

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ROCO:6233 Prolific Technology Inc ROCO:6233
65 GF Score
Price NT$21.50
GF Value NT$24.22
Valuation Modestly Undervalued
! 2 Warning Signs
View Full Analysis

What is Prolific Technology Cyclically Adjusted PB Ratio?

Prolific Technology ROCO:6233 -2.27% 65 Cyclically Adjusted PB Ratio is 1.45 as of Aug. 17, 2026, which is 17% below its 10-year median of 1.74. GuruFocus rates ROCO:6233 with a GF Score™ of 65/100 and a GF Value™ of NT$24.22 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 727 Semiconductors companies, Prolific Technology ranks better than 73.73% on this metric.

As of today (2026-08-17), Prolific Technology's current share price is NT$21.50. Prolific Technology's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$14.83. Prolific Technology's Cyclically Adjusted PB Ratio for today is 1.45.

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

ROCO:6233' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.47   Med: 1.74   Max: 3.52
Current: 1.45

During the past years, Prolific Technology's highest Cyclically Adjusted PB Ratio was 3.52. The lowest was 0.47. And the median was 1.74.

ROCO:6233's Cyclically Adjusted PB Ratio is ranked better than
73.73% of 727 companies
in the Semiconductors industry
Industry Median: 3.35 vs ROCO:6233: 1.45

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.

Prolific Technology's adjusted book value per share data for the three months ended in Mar. 2026 was NT$17.514. 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$14.83 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Prolific Technology  (ROCO:6233) 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.


Prolific Technology Cyclically Adjusted PB Ratio Related Terms


Prolific Technology Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Prolific Technology'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.

Prolific Technology Cyclically Adjusted PB Ratio Chart

Prolific Technology 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 2.45 1.37 2.79 1.96 1.76

Prolific Technology 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 1.54 1.48 1.44 1.76 1.68

ROCO:6233 vs NVDA, AVGO, MU: Cyclically Adjusted PB Ratio Comparison

For the Semiconductors subindustry, Prolific Technology'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.


Prolific Technology Cyclically Adjusted PB Ratio vs Semiconductors Industry

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

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


ROCO:6233
65GF Score
Prolific Technology Inc ROCO:6233
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Prolific Technology 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.

Prolific Technology's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=21.50/14.83
=1.45

* 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.

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

For example, Prolific Technology'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)
=17.514/330.2130*330.2130
=17.514

Current CPI (Mar. 2026) = 330.2130.

Prolific Technology Quarterly Data

Book Value per Share CPI Adj_Book
201606 11.185 241.018 15.324
201609 10.900 241.428 14.908
201612 11.135 241.432 15.230
201703 10.781 243.801 14.602
201706 10.702 244.955 14.427
201709 10.682 246.819 14.291
201712 10.817 246.524 14.489
201803 10.666 249.554 14.113
201806 10.792 251.989 14.142
201809 10.564 252.439 13.819
201812 10.098 251.233 13.273
201903 10.508 254.202 13.650
201906 10.586 256.143 13.647
201909 10.843 256.759 13.945
201912 11.087 256.974 14.247
202003 10.915 258.115 13.964
202006 11.221 257.797 14.373
202009 11.202 260.280 14.212
202012 11.280 260.474 14.300
202103 11.602 264.877 14.464
202106 11.830 271.696 14.378
202109 12.001 274.310 14.447
202112 12.426 278.802 14.717
202203 12.739 287.504 14.631
202206 12.533 296.311 13.967
202209 12.852 296.808 14.298
202212 13.142 296.797 14.622
202303 13.929 301.836 15.239
202306 14.059 305.109 15.216
202309 13.946 307.789 14.962
202312 13.685 306.746 14.732
202403 15.752 312.332 16.654
202406 16.296 314.175 17.128
202409 15.655 315.301 16.395
202412 15.205 315.605 15.909
202503 14.931 319.799 15.417
202506 14.390 322.561 14.731
202509 15.137 324.800 15.389
202512 17.205 324.054 17.532
202603 17.514 330.213 17.514

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 1.45 mean?
Prolific Technology (ROCO:6233) has a Cyclically Adjusted PB Ratio of 1.45 as of Aug. 17, 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 Prolific Technology and its competitors. This is 17% below median its historical median of 1.74. Over the past decade, Prolific Technology's Cyclically Adjusted PB Ratio has ranged from 0.47 to 3.52. According to the industry distribution chart, Prolific Technology ranks #191 out of 727 companies in the Semiconductors industry, placing it in the top 26.3%.
Is Prolific Technology's Cyclically Adjusted PB Ratio too high?
Prolific Technology's current Cyclically Adjusted PB Ratio of 1.45 is 17% below median its 10-year median of 1.74. Over the past 10 years, this metric has ranged from a low of 0.47 to a high of 3.52. The Semiconductors industry median Cyclically Adjusted PB Ratio is 3.35. Prolific Technology's value of 1.45 is 56.7% below this industry median. Based on the distribution chart, Prolific Technology ranks #191 out of 727 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Prolific Technology has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Prolific Technology's Cyclically Adjusted PB Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Prolific Technology ranks #191 out of 727 companies for Cyclically Adjusted PB Ratio. This puts Prolific Technology in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 3.35. Prolific Technology's value of 1.45 is 56.7% below this benchmark. Historically, Prolific Technology's own Cyclically Adjusted PB Ratio has ranged from 0.47 to 3.52 over the past decade. While the company's 10-year median is 1.74 vs. the industry median of 3.35, Prolific Technology 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 3.35, based on 727 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. Prolific Technology's current Cyclically Adjusted PB Ratio of 1.45 is 56.7% 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 Prolific Technology and its competitors. For the Semiconductors industry, the median Cyclically Adjusted PB Ratio is 3.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Prolific Technology's current Cyclically Adjusted PB Ratio is 1.45, which is 17% below median its own 10-year median of 1.74. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Prolific Technology stock overvalued right now?
Based on GuruFocus' analysis, Prolific Technology (ROCO:6233) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$24.22, compared to a current price of NT$21.50 — trading 11.2% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.45, which is 17% below median its 10-year median of 1.74 and 56.7% below the Semiconductors industry median of 3.35. Prolific Technology's overall GF Score™ is 65/100 with 2 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 Prolific Technology (ROCO:6233), the current Cyclically Adjusted PB Ratio is 1.45 as of Aug. 17, 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 Prolific Technology (ROCO:6233) Overvalued in 2026?

Based on GuruFocus' analysis, Prolific Technology stock appears to be undervalued. The current stock price of NT$21.50 is trading 11.2% below its estimated GF Value™ of NT$24.22. GuruFocus considers Prolific Technology to be Modestly Undervalued.

Key valuation signals for ROCO:6233:

  • Cyclically Adjusted PB Ratio: 1.45 (17% below median its 10-year median of 1.74)
  • GF Value™: NT$24.22 vs. price of NT$21.50 (11.2% below fair value)
  • GF Score™: 65/100 with 2 warning signs
  • Industry Position: 56.7% below the Semiconductors median (#191 of 727)

No single metric tells the full story. See the ROCO:6233 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Prolific Technology Business Description

Address No. 48, Section 3, Nangang Road, 7th floor, Nangang District, Taipei, TWN, 115
Prolific Technology Inc is engaged in research, development, design, and sales of IC (Integrated Circuit) products for data communication and connectivity applications in Taiwan. It is a provider of USB Smart I/O, Intelligent Green Energy Saving, and Mixed-Mode Hall Sensor solutions. The company is a pioneer in providing IC and SOC solutions for USB Serial/Parallel converters, USB Storage products, Brushless Motor drivers, Hall sensors, Power Meters, and MEMS Motion Sensing products.
65GF Score

Get the complete analysis for ROCO:6233

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

NT$21.50
Price
NT$24.22
GF Value