Sunflex Technology (ROCO:3390) Cyclically Adjusted PB Ratio: 1.07 (As of Aug. 15, 2026) — 10% Above Median

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ROCO:3390 Sunflex Technology Corp ROCO:3390
61 GF Score
Price NT$22.10
GF Value NT$21.15
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is Sunflex Technology Cyclically Adjusted PB Ratio?

Sunflex Technology ROCO:3390 -1.12% 61 Cyclically Adjusted PB Ratio is 1.07 as of Aug. 15, 2026, which is 10% above its 10-year median of 0.97. GuruFocus rates ROCO:3390 with a GF Score™ of 61/100 and a GF Value™ of NT$21.15 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,963 Hardware companies, Sunflex Technology ranks better than 68.16% on this metric.

As of today (2026-08-15), Sunflex Technology's current share price is NT$22.10. Sunflex Technology's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$20.61. Sunflex Technology's Cyclically Adjusted PB Ratio for today is 1.07.

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

ROCO:3390' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.63   Med: 0.97   Max: 1.77
Current: 1.1

During the past years, Sunflex Technology's highest Cyclically Adjusted PB Ratio was 1.77. The lowest was 0.63. And the median was 0.97.

ROCO:3390's Cyclically Adjusted PB Ratio is ranked better than
68.16% of 1963 companies
in the Hardware industry
Industry Median: 2.08 vs ROCO:3390: 1.10

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.

Sunflex Technology's adjusted book value per share data for the three months ended in Mar. 2026 was NT$17.493. 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$20.61 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Sunflex Technology  (ROCO:3390) 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.


Sunflex Technology Cyclically Adjusted PB Ratio Related Terms


Sunflex Technology Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Sunflex 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.

Sunflex Technology Cyclically Adjusted PB Ratio Chart

Sunflex 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 1.28 0.79 1.35 1.29 1.21

Sunflex 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 1.15 0.98 0.94 1.21 1.00

ROCO:3390 vs APH, GLW, TEL: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Sunflex 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.


Sunflex Technology Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


ROCO:3390
61GF Score
Sunflex Technology Corp ROCO:3390
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sunflex 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=22.10/20.61
=1.07

* 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.

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

For example, Sunflex 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)
=17.493/330.2130*330.2130
=17.493

Current CPI (Mar. 2026) = 330.2130.

Sunflex Technology Quarterly Data

Book Value per Share CPI Adj_Book
201606 19.103 241.018 26.173
201609 18.956 241.428 25.927
201612 19.254 241.432 26.334
201703 18.780 243.801 25.436
201706 18.040 244.955 24.319
201709 18.549 246.819 24.816
201712 18.408 246.524 24.657
201803 18.283 249.554 24.192
201806 17.850 251.989 23.391
201809 18.302 252.439 23.941
201812 18.561 251.233 24.396
201903 18.613 254.202 24.179
201906 17.631 256.143 22.729
201909 17.229 256.759 22.158
201912 16.904 256.974 21.722
202003 16.507 258.115 21.118
202006 15.650 257.797 20.046
202009 15.088 260.280 19.142
202012 14.578 260.474 18.481
202103 14.804 264.877 18.456
202106 15.101 271.696 18.353
202109 15.321 274.310 18.443
202112 15.682 278.802 18.574
202203 15.788 287.504 18.133
202206 15.718 296.311 17.516
202209 16.516 296.808 18.375
202212 16.018 296.797 17.821
202303 16.228 301.836 17.754
202306 15.847 305.109 17.151
202309 16.644 307.789 17.857
202312 16.713 306.746 17.992
202403 17.269 312.332 18.258
202406 17.726 314.175 18.631
202409 17.483 315.301 18.310
202412 17.649 315.605 18.466
202503 19.053 319.799 19.673
202506 17.100 322.561 17.506
202509 18.005 324.800 18.305
202512 17.722 324.054 18.059
202603 17.493 330.213 17.493

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 1.07 mean?
Sunflex Technology (ROCO:3390) has a Cyclically Adjusted PB Ratio of 1.07 as of Aug. 15, 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 Sunflex Technology and its competitors. This is 10% above median its historical median of 0.97. Over the past decade, Sunflex Technology's Cyclically Adjusted PB Ratio has ranged from 0.63 to 1.77. According to the industry distribution chart, Sunflex Technology ranks #625 out of 1963 companies in the Hardware industry, placing it in the top 31.8%.
Is Sunflex Technology's Cyclically Adjusted PB Ratio too high?
Sunflex Technology's current Cyclically Adjusted PB Ratio of 1.07 is 10% above median its 10-year median of 0.97. Over the past 10 years, this metric has ranged from a low of 0.63 to a high of 1.77. The Hardware industry median Cyclically Adjusted PB Ratio is 2.08. Sunflex Technology's value of 1.07 is 48.6% below this industry median. Based on the distribution chart, Sunflex Technology ranks #625 out of 1963 companies in the Hardware industry, which is above the industry midpoint. Overall, Sunflex Technology has a GF Score™ of 61/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Sunflex Technology's Cyclically Adjusted PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Sunflex Technology ranks #625 out of 1963 companies for Cyclically Adjusted PB Ratio. This puts Sunflex Technology in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.08. Sunflex Technology's value of 1.07 is 48.6% below this benchmark. Historically, Sunflex Technology's own Cyclically Adjusted PB Ratio has ranged from 0.63 to 1.77 over the past decade. While the company's 10-year median is 0.97 vs. the industry median of 2.08, Sunflex 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 Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.08, based on 1,963 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. Sunflex Technology's current Cyclically Adjusted PB Ratio of 1.07 is 48.6% 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 Sunflex Technology and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sunflex Technology's current Cyclically Adjusted PB Ratio is 1.07, which is 10% above median its own 10-year median of 0.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sunflex Technology stock overvalued right now?
Based on GuruFocus' analysis, Sunflex Technology (ROCO:3390) is currently considered Fairly Valued. The stock's GF Value™ is NT$21.15, compared to a current price of NT$22.10 — trading 4.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.07, which is 10% above median its 10-year median of 0.97 and 48.6% below the Hardware industry median of 2.08. Sunflex Technology's overall GF Score™ is 61/100 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 Sunflex Technology (ROCO:3390), the current Cyclically Adjusted PB Ratio is 1.07 as of Aug. 15, 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 Sunflex Technology (ROCO:3390) Overvalued in 2026?

Based on GuruFocus' analysis, Sunflex Technology stock appears to be overvalued. The current stock price of NT$22.10 is trading 4.5% above its estimated GF Value™ of NT$21.15. GuruFocus considers Sunflex Technology to be Fairly Valued.

Key valuation signals for ROCO:3390:

  • Cyclically Adjusted PB Ratio: 1.07 (10% above median its 10-year median of 0.97)
  • GF Value™: NT$21.15 vs. price of NT$22.10 (4.5% above fair value)
  • GF Score™: 61/100 with 3 warning signs
  • Industry Position: 48.6% below the Hardware median (#625 of 1963)

No single metric tells the full story. See the ROCO:3390 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sunflex Technology Business Description

Address No. 522, Nanshang Road, Guishan District, Taoyuan, TWN, 333014
Sunflex Technology Corp is the manufacture of electronic components and international trades. It provides single and double-sided flexible PCBs that are applied in the manufacturing of mobile phones, notebook computers, disk players, and LCDs. The company applications include touch panels, liquid crystal module, computer accessories, and a light bar. The Company's operating revenue is mainly derived from the production and sales of customized flexible circuit boards.
61GF Score

Get the complete analysis for ROCO:3390

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

NT$22.10
Price
NT$21.15
GF Value