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ArrayROCO:3664 +2.99%38 PB Ratio is 4.43 as of Jul. 20, 2026, which is 249% above its 10-year median of 1.27. 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. Among 2,419 Hardware companies, Array ranks worse than 75.11% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-20), Array's share price is NT$6.20. Array's Book Value per Share for the quarter that ended in Dec. 2025 was NT$1.40. Hence, Array's PB Ratio of today is 4.43.
The historical rank and industry rank for Array's PB Ratio or its related term are showing as below:
ROCO:3664'
s PB Ratio Range Over the Past 10 Years
Min: 0.54 Med: 1.27 Max: 13.25
Current: 4.43
During the past 13 years, Array's highest PB Ratio was 13.25. The lowest was 0.54. And the median was 1.27.
ROCO:3664's PB Ratio is ranked worse than 75.11% of 2419
companies
in the Hardware industry
Industry Median: 2.18
vs ROCO:3664: 4.43
During the past 12 months, Array's average Book Value Per Share Growth Rate was -75.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -34.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -26.90% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -18.30% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Array was 5.60% per year. The lowest was -34.80% per year. And the median was -4.50% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Array PB Ratio Related Terms
Array PB Ratio Historical Data
* Premium members only.
The historical data trend for Array's 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.
For the Communication Equipment subindustry, Array's PB Ratio, along with its competitors' market caps and 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 PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Array's PB Ratio distribution charts can be found below:
* The bar in red indicates where Array's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Array's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Array (ROCO:3664) has a PB Ratio of 4.43 as of Jul. 20, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Array and its competitors. This is 249% above median its historical median of 1.27. Over the past decade, Array's PB Ratio has ranged from 0.54 to 13.25. According to the industry distribution chart, Array ranks #1817 out of 2419 companies in the Hardware industry, placing it in the top 75.1%.
Is Array's PB Ratio too high?
Array's current PB Ratio of 4.43 is 249% above median its 10-year median of 1.27. Over the past 10 years, this metric has ranged from a low of 0.54 to a high of 13.25. The Hardware industry median PB Ratio is 2.18. Array's value of 4.43 is 103.2% above this industry median. Based on the distribution chart, Array ranks #1817 out of 2419 companies in the Hardware industry, which is in the bottom quartile relative to peers. 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 PB Ratio compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Array ranks #1817 out of 2419 companies for PB Ratio. This places Array in the lower half of its industry. The industry median PB Ratio is 2.18. Array's value of 4.43 is 103.2% above this benchmark. Historically, Array's own PB Ratio has ranged from 0.54 to 13.25 over the past decade. While the company's 10-year median is 1.27 vs. the industry median of 2.18, Array 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 PB Ratio for a Hardware company?
The median PB Ratio among Hardware companies is 2.18, based on 2,419 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Array's current PB Ratio of 4.43 is 103.2% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Array and its competitors. For the Hardware industry, the median PB Ratio is 2.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Array's current PB Ratio is 4.43, which is 249% above median its own 10-year median of 1.27. 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 PB Ratio is 4.43, which is 249% above median its 10-year median of 1.27 and 103.2% above the Hardware industry median of 2.18. 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 PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Array (ROCO:3664), the current PB Ratio is 4.43 as of Jul. 20, 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 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:
PB Ratio: 4.43 (249% above median its 10-year median of 1.27)
GF Value™: NT$19.64 vs. price of NT$6.20 (68.4% below fair value)
Industry Position: 103.2% above the Hardware median (#1817 of 2419)
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 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
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