Ruby Tech (ROCO:8048) Cyclically Adjusted PB Ratio: 2.66 (As of Aug. 13, 2026) — 14% Above Median

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ROCO:8048 Ruby Tech Corp ROCO:8048
86 GF Score
Price NT$52.40
GF Value NT$44.61
Valuation Modestly Overvalued
! 2 Warning Signs
View Full Analysis

What is Ruby Tech Cyclically Adjusted PB Ratio?

Ruby Tech ROCO:8048 86 Cyclically Adjusted PB Ratio is 2.66 as of Aug. 13, 2026, which is 14% above its 10-year median of 2.34. GuruFocus rates ROCO:8048 with a GF Score™ of 86/100 and a GF Value™ of NT$44.61 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 1,962 Hardware companies, Ruby Tech ranks worse than 58.41% on this metric.

As of today (2026-08-13), Ruby Tech's current share price is NT$52.40. Ruby Tech's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was NT$19.69. Ruby Tech's Cyclically Adjusted PB Ratio for today is 2.66.

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

ROCO:8048' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.65   Med: 2.34   Max: 5.48
Current: 2.66

During the past years, Ruby Tech's highest Cyclically Adjusted PB Ratio was 5.48. The lowest was 1.65. And the median was 2.34.

ROCO:8048's Cyclically Adjusted PB Ratio is ranked worse than
58.41% of 1962 companies
in the Hardware industry
Industry Median: 2.085 vs ROCO:8048: 2.66

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.

Ruby Tech's adjusted book value per share data for the three months ended in Mar. 2026 was NT$20.208. 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$19.69 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Ruby Tech  (ROCO:8048) 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.


Ruby Tech Cyclically Adjusted PB Ratio Related Terms


Ruby Tech Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Ruby Tech'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.

Ruby Tech Cyclically Adjusted PB Ratio Chart

Ruby Tech 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 2.15 1.81 3.63 2.61 2.79

Ruby Tech 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 2.52 2.06 2.33 2.79 2.59

ROCO:8048 vs CSCO, MSI, HPE: Cyclically Adjusted PB Ratio Comparison

For the Communication Equipment subindustry, Ruby Tech'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.


Ruby Tech Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


ROCO:8048
86GF Score
Ruby Tech Corp ROCO:8048
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ruby Tech 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.

Ruby Tech's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=52.40/19.69
=2.66

* 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.

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

For example, Ruby Tech'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)
=20.208/330.2130*330.2130
=20.208

Current CPI (Mar. 2026) = 330.2130.

Ruby Tech Quarterly Data

Book Value per Share CPI Adj_Book
201606 13.048 241.018 17.877
201609 13.399 241.428 18.326
201612 14.132 241.432 19.329
201703 14.259 243.801 19.313
201706 12.656 244.955 17.061
201709 13.691 246.819 18.317
201712 14.274 246.524 19.120
201803 14.801 249.554 19.585
201806 13.481 251.989 17.666
201809 13.775 252.439 18.019
201812 14.207 251.233 18.673
201903 15.165 254.202 19.700
201906 13.916 256.143 17.940
201909 14.649 256.759 18.840
201912 15.394 256.974 19.781
202003 15.282 258.115 19.551
202006 13.553 257.797 17.360
202009 14.004 260.280 17.767
202012 16.723 260.474 21.200
202103 18.617 264.877 23.209
202106 19.292 271.696 23.447
202109 17.510 274.310 21.078
202112 18.834 278.802 22.307
202203 18.373 287.504 21.102
202206 16.509 296.311 18.398
202209 17.441 296.808 19.404
202212 17.980 296.797 20.004
202303 18.890 301.836 20.666
202306 17.957 305.109 19.434
202309 19.367 307.789 20.778
202312 20.304 306.746 21.857
202403 21.120 312.332 22.329
202406 18.676 314.175 19.629
202409 18.678 315.301 19.561
202412 19.344 315.605 20.239
202503 20.047 319.799 20.700
202506 18.063 322.561 18.492
202509 19.025 324.800 19.342
202512 19.647 324.054 20.020
202603 20.208 330.213 20.208

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 2.66 mean?
Ruby Tech (ROCO:8048) has a Cyclically Adjusted PB Ratio of 2.66 as of Aug. 13, 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 Ruby Tech and its competitors. This is 14% above median its historical median of 2.34. Over the past decade, Ruby Tech's Cyclically Adjusted PB Ratio has ranged from 1.65 to 5.48. According to the industry distribution chart, Ruby Tech ranks #1146 out of 1962 companies in the Hardware industry, placing it in the top 58.4%.
Is Ruby Tech's Cyclically Adjusted PB Ratio too high?
Ruby Tech's current Cyclically Adjusted PB Ratio of 2.66 is 14% above median its 10-year median of 2.34. Over the past 10 years, this metric has ranged from a low of 1.65 to a high of 5.48. The Hardware industry median Cyclically Adjusted PB Ratio is 2.09. Ruby Tech's value of 2.66 is 27.6% above this industry median. Based on the distribution chart, Ruby Tech ranks #1146 out of 1962 companies in the Hardware industry, which is below the industry midpoint. Overall, Ruby Tech has a GF Score™ of 86/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ruby Tech's Cyclically Adjusted PB Ratio compare to CSCO and MSI?
According to the Hardware industry distribution chart, Ruby Tech ranks #1146 out of 1962 companies for Cyclically Adjusted PB Ratio. This places Ruby Tech in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.09. Ruby Tech's value of 2.66 is 27.6% above this benchmark. Historically, Ruby Tech's own Cyclically Adjusted PB Ratio has ranged from 1.65 to 5.48 over the past decade. While the company's 10-year median is 2.34 vs. the industry median of 2.09, Ruby Tech 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 2.09, based on 1,962 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. Ruby Tech's current Cyclically Adjusted PB Ratio of 2.66 is 27.6% 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 Ruby Tech 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. Ruby Tech's current Cyclically Adjusted PB Ratio is 2.66, which is 14% above median its own 10-year median of 2.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ruby Tech stock overvalued right now?
Based on GuruFocus' analysis, Ruby Tech (ROCO:8048) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$44.61, compared to a current price of NT$52.40 — trading 17.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.66, which is 14% above median its 10-year median of 2.34 and 27.6% above the Hardware industry median of 2.09. Ruby Tech's overall GF Score™ is 86/100 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 Ruby Tech (ROCO:8048), the current Cyclically Adjusted PB Ratio is 2.66 as of Aug. 13, 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 Ruby Tech (ROCO:8048) Overvalued in 2026?

Based on GuruFocus' analysis, Ruby Tech stock appears to be overvalued. The current stock price of NT$52.40 is trading 17.5% above its estimated GF Value™ of NT$44.61. GuruFocus considers Ruby Tech to be Modestly Overvalued.

Key valuation signals for ROCO:8048:

  • Cyclically Adjusted PB Ratio: 2.66 (14% above median its 10-year median of 2.34)
  • GF Value™: NT$44.61 vs. price of NT$52.40 (17.5% above fair value)
  • GF Score™: 86/100 with 2 warning signs
  • Industry Position: 27.6% above the Hardware median (#1146 of 1962)

No single metric tells the full story. See the ROCO:8048 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ruby Tech Business Description

Address Nangang Road, 3rd Floor No.1, Lane 50, Section 3, Xixin Village, Nangang District, Tapei, TWN, 115
Ruby Tech Corp is engaged in the research, manufacturing, and trading of optical fiber network equipment for central offices and customer premises, network management switches, and outdoor wireless networking equipment. It is focused on OEM/ODM Business of Networking Products such as PoE Ethernet Switches, Industrial Switches, GEPON OLT/ONU, etc. The reportable segments of the company are: i) Computer and its peripheral equipment: Department 1, and ii) Computer and its peripheral equipment: Department 2. The majority of revenue is derived from Department 1.
86GF Score

Get the complete analysis for ROCO:8048

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

NT$52.40
Price
NT$44.61
GF Value