Array (ROCO:3664) Cyclically Adjusted Book per Share: NT$12.25 (As of Dec. 2025)

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Director of Data and Quant Analytics at GuruFocus
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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:3664 Array Inc ROCO:3664
38 GF Score
Price NT$6.20
GF Value NT$19.64
Valuation Possible Value Trap
! 8 Warning Signs
View Full Analysis

What is Array Cyclically Adjusted Book per Share?

Array ROCO:3664 +2.99% 38 Cyclically Adjusted Book per Share is NT$12.25 as of Dec. 2025. GuruFocus rates ROCO:3664 with a GF Score™ of 38/100 and a GF Value™ of NT$19.64 (Possible Value Trap). The stock has 8 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

Array's adjusted book value per share for the three months ended in Dec. 2025 was NT$1.400. 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$12.25 for the trailing ten years ended in Dec. 2025.

During the past 12 months, Array's average Cyclically Adjusted Book Growth Rate was -11.20% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was -8.30% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was -5.70% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Array was -2.30% per year. The lowest was -8.30% per year. And the median was -4.40% per year.

As of today (2026-07-20), Array's current stock price is NT$6.20. Array's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was NT$12.25. Array's Cyclically Adjusted PB Ratio of today is 0.51.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Array was 2.65. The lowest was 0.40. And the median was 0.77.


Array  (ROCO:3664) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.

Array's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=6.20/12.25
=0.51

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Array was 2.65. The lowest was 0.40. And the median was 0.77.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Array Cyclically Adjusted Book per Share Related Terms


Array Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Array's Cyclically Adjusted Book per Share 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.

Array Cyclically Adjusted Book per Share Chart

Array Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 16.33 15.88 14.97 13.79 12.25

Array Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Cyclically Adjusted Book per Share 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 13.79 13.58 13.24 12.85 12.25

ROCO:3664 vs CSCO, CIEN, MSI: Cyclically Adjusted Book per Share Comparison

For the Communication Equipment subindustry, Array'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.


Array Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


ROCO:3664
38GF Score
Array Inc ROCO:3664
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Array Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

For example, Array's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book= Book Value per Share /CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=1.4/324.0540*324.0540
=1.400

Current CPI (Dec. 2025) = 324.0540.

Array Quarterly Data

Book Value per Share CPI Adj_Book
201603 16.668 238.132 22.682
201606 14.991 241.018 20.156
201609 14.252 241.428 19.130
201612 14.722 241.432 19.760
201703 13.376 243.801 17.779
201706 12.611 244.955 16.683
201709 15.302 246.819 20.090
201712 15.532 246.524 20.417
201803 14.879 249.554 19.321
201806 14.809 251.989 19.044
201809 14.845 252.439 19.056
201812 15.360 251.233 19.812
201903 14.667 254.202 18.697
201906 13.791 256.143 17.447
201909 13.242 256.759 16.713
201912 12.996 256.974 16.388
202003 12.153 258.115 15.258
202006 11.295 257.797 14.198
202009 10.715 260.280 13.340
202012 10.392 260.474 12.929
202103 9.677 264.877 11.839
202106 8.925 271.696 10.645
202109 8.590 274.310 10.148
202112 8.115 278.802 9.432
202203 6.802 287.504 7.667
202206 6.887 296.311 7.532
202209 6.291 296.808 6.868
202212 5.043 296.797 5.506
202303 5.383 301.836 5.779
202306 5.481 305.109 5.821
202309 5.081 307.789 5.350
202312 5.534 306.746 5.846
202403 5.027 312.332 5.216
202406 5.056 314.175 5.215
202409 5.024 315.301 5.163
202412 5.711 315.605 5.864
202503 5.788 319.799 5.865
202506 5.136 322.561 5.160
202509 4.895 324.800 4.884
202512 1.400 324.054 1.400

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of NT$12.25 mean?
Array (ROCO:3664) has a Cyclically Adjusted Book per Share of NT$12.25 as of Dec. 2025. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Array and its competitors.
Is Array's Cyclically Adjusted Book per Share too high?
Array's current Cyclically Adjusted Book per Share is NT$12.25. Overall, Array has a GF Score™ of 38/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Array's Cyclically Adjusted Book per Share compare to CSCO and CIEN?
Array's Cyclically Adjusted Book per Share of NT$12.25 can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Hardware company?
A good Cyclically Adjusted Book per Share depends on the Hardware industry context. However, Cyclically Adjusted Book per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Array and its competitors. Array's current Cyclically Adjusted Book per Share is NT$12.25. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Array stock overvalued right now?
Based on GuruFocus' analysis, Array (ROCO:3664) is currently considered Possible Value Trap. The stock's GF Value™ is NT$19.64, compared to a current price of NT$6.20 — trading 68.4% below its estimated fair value. The current Cyclically Adjusted Book per Share is NT$12.25. Array's overall GF Score™ is 38/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Array (ROCO:3664), the current Cyclically Adjusted Book per Share is NT$12.25 as of Dec. 2025. 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 Array (ROCO:3664) Overvalued in 2026?

Based on GuruFocus' analysis, Array stock appears to be undervalued. The current stock price of NT$6.20 is trading 68.4% below its estimated GF Value™ of NT$19.64. GuruFocus considers Array to be Possible Value Trap.

Key valuation signals for ROCO:3664:

  • Cyclically Adjusted Book per Share: NT$12.25
  • GF Value™: NT$19.64 vs. price of NT$6.20 (68.4% below fair value)
  • GF Score™: 38/100 with 8 warning signs

No single metric tells the full story. See the ROCO:3664 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Array Business Description

Address 1371 McCarthy Boulverad, Milpitas, CA, USA, 95035
Array Inc and its subsidiaries are engaged in the research and development, manufacturing and sales of network function platform products, network connectivity security systems and network traffic acceleration equipment. The Group provides network function platform solutions, application delivery controllers, virtual private networks, remote desktop connection solutions and application accelerators, along with related after-sales support and services. Its products include cybersecurity solutions such as Web App Firewall & DDoS Protection, SSL Intercept and Deep-AI Data Loss Prevention, and data center solutions such as Load Balancing & App Delivery, Network Traffic Broker and Network Functions Virtualization.
38GF Score

Get the complete analysis for ROCO:3664

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

NT$6.20
Price
NT$19.64
GF Value