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Quanta StorageROCO:6188 +0.28%65 PB Ratio is 1.60 as of Jul. 22, 2026, which is 8% above its 10-year median of 1.48. GuruFocus rates ROCO:6188 with a GF Score™ of 65/100 and a GF Value™ of NT$93.27 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 2,418 Hardware companies, Quanta Storage ranks better than 64.31% 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 (2026-07-22), Quanta Storage's share price is NT$71.70. Quanta Storage's Book Value per Share for the quarter that ended in Mar. 2026 was NT$44.94. Hence, Quanta Storage's PB Ratio of today is 1.60.
Good Sign:
Quanta Storage Inc stock PB Ratio (=1.59) is close to 3-year low of 1.55.
The historical rank and industry rank for Quanta Storage's PB Ratio or its related term are showing as below:
ROCO:6188'
s PB Ratio Range Over the Past 10 Years
Min: 0.74 Med: 1.48 Max: 3.97
Current: 1.59
During the past 13 years, Quanta Storage's highest PB Ratio was 3.97. The lowest was 0.74. And the median was 1.48.
ROCO:6188's PB Ratio is ranked better than 64.31% of 2418
companies
in the Hardware industry
Industry Median: 2.205
vs ROCO:6188: 1.59
During the past 12 months, Quanta Storage's average Book Value Per Share Growth Rate was 34.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 12.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 9.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Quanta Storage was 12.40% per year. The lowest was -4.50% per year. And the median was 1.70% 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.
Quanta Storage PB Ratio Related Terms
Quanta Storage PB Ratio Historical Data
* Premium members only.
The historical data trend for Quanta Storage'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 Computer Hardware subindustry, Quanta Storage'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.
Quanta Storage PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Quanta Storage's PB Ratio distribution charts can be found below:
* The bar in red indicates where Quanta Storage'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.
Quanta Storage'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.
Quanta Storage (ROCO:6188) has a PB Ratio of 1.60 as of Jul. 22, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Quanta Storage and its competitors. This is near median its historical median of 1.48. Over the past decade, Quanta Storage's PB Ratio has ranged from 0.74 to 3.97. According to the industry distribution chart, Quanta Storage ranks #863 out of 2418 companies in the Hardware industry, placing it in the top 35.7%.
Is Quanta Storage's PB Ratio too high?
Quanta Storage's current PB Ratio of 1.60 is near median its 10-year median of 1.48. Over the past 10 years, this metric has ranged from a low of 0.74 to a high of 3.97. The Hardware industry median PB Ratio is 2.21. Quanta Storage's value of 1.60 is 27.4% below this industry median. Based on the distribution chart, Quanta Storage ranks #863 out of 2418 companies in the Hardware industry, which is above the industry midpoint. Overall, Quanta Storage has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Quanta Storage's PB Ratio compare to SNDK and DELL?
According to the Hardware industry distribution chart, Quanta Storage ranks #863 out of 2418 companies for PB Ratio. This puts Quanta Storage in the upper half of its industry. The industry median PB Ratio is 2.21. Quanta Storage's value of 1.60 is 27.4% below this benchmark. Historically, Quanta Storage's own PB Ratio has ranged from 0.74 to 3.97 over the past decade. While the company's 10-year median is 1.48 vs. the industry median of 2.21, Quanta Storage 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 PB Ratio for a Hardware company?
The median PB Ratio among Hardware companies is 2.21, based on 2,418 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. Quanta Storage's current PB Ratio of 1.60 is 27.4% 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 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 Quanta Storage and its competitors. For the Hardware industry, the median PB Ratio is 2.21 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Quanta Storage's current PB Ratio is 1.60, which is near median its own 10-year median of 1.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quanta Storage stock overvalued right now?
Based on GuruFocus' analysis, Quanta Storage (ROCO:6188) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$93.27, compared to a current price of NT$71.70 — trading 23.1% below its estimated fair value. The current PB Ratio is 1.60, which is near median its 10-year median of 1.48 and 27.4% below the Hardware industry median of 2.21. Quanta Storage'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 PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Quanta Storage (ROCO:6188), the current PB Ratio is 1.60 as of Jul. 22, 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 Quanta Storage (ROCO:6188) Overvalued in 2026?
Based on GuruFocus' analysis, Quanta Storage stock appears to be undervalued.
The current stock price of NT$71.70 is trading 23.1% below its estimated GF Value™ of NT$93.27.
GuruFocus considers Quanta Storage to be Modestly Undervalued.
Key valuation signals for ROCO:6188:
PB Ratio: 1.60 (near median its 10-year median of 1.48)
GF Value™: NT$93.27 vs. price of NT$71.70 (23.1% below fair value)
Industry Position: 27.4% below the Hardware median (#863 of 2418)
No single metric tells the full story. See the ROCO:6188 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Quanta Storage Inc is engaged in the research, development, production, manufacturing, & selling of data storage and processing equipment, electronic components, & optical instruments. The Group has three reportable segments: The Mainland China Operation center, the Southeast Asia Operation center, & the Taiwan Operation center. The Mainland China Operation Center includes OEM, production, & sales of computer peripherals to computer companies. The Southeast Asia Operation Center is engaged in the OEM, production, & sales of consumer electronic products. The Taiwan Operation Center's main activities include the sales & trading of electronic products & raw materials. Other segments are mainly engaged in activities pertaining to investment, including strategic investment & fund investment.
65GF Score
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