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ProbeLeader CoROCO:5246 -11.47%45 PB Ratio is 7.75 as of Jul. 29, 2026, which is 231% above its 10-year median of 2.34. GuruFocus rates ROCO:5246 with a GF Score™ of 45/100 and a GF Value™ of NT$17.85 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 999 Semiconductors companies, ProbeLeader Co ranks worse than 85.39% 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 (2026-07-29), ProbeLeader Co's share price is NT$71.00. ProbeLeader Co's Book Value per Share for the quarter that ended in Dec. 2025 was NT$9.17. Hence, ProbeLeader Co's PB Ratio of today is 7.75.
The historical rank and industry rank for ProbeLeader Co's PB Ratio or its related term are showing as below:
ROCO:5246'
s PB Ratio Range Over the Past 10 Years
Min: 1.3 Med: 2.34 Max: 35.45
Current: 7.75
During the past 8 years, ProbeLeader Co's highest PB Ratio was 35.45. The lowest was 1.30. And the median was 2.34.
ROCO:5246's PB Ratio is ranked worse than 85.39% of 999
companies
in the Semiconductors industry
Industry Median: 2.99
vs ROCO:5246: 7.75
During the past 12 months, ProbeLeader Co's average Book Value Per Share Growth Rate was -6.90% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -7.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -1.20% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of ProbeLeader Co was 9.70% per year. The lowest was -7.90% per year. And the median was 5.30% 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.
ProbeLeader Co PB Ratio Related Terms
ProbeLeader Co PB Ratio Historical Data
* Premium members only.
The historical data trend for ProbeLeader Co'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.
ROCO:5246 vs AMAT, LRCX, KLAC: PB Ratio Comparison
For the Semiconductor Equipment & Materials subindustry, ProbeLeader Co'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.
ProbeLeader Co PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, ProbeLeader Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where ProbeLeader Co'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.
ProbeLeader Co'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.
ProbeLeader Co (ROCO:5246) has a PB Ratio of 7.75 as of Jul. 29, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on ProbeLeader Co and its competitors. This is 231% above median its historical median of 2.34. Over the past decade, ProbeLeader Co's PB Ratio has ranged from 1.30 to 35.45. According to the industry distribution chart, ProbeLeader Co ranks #853 out of 999 companies in the Semiconductors industry, placing it in the top 85.4%.
Is ProbeLeader Co's PB Ratio too high?
ProbeLeader Co's current PB Ratio of 7.75 is 231% above median its 10-year median of 2.34. Over the past 10 years, this metric has ranged from a low of 1.30 to a high of 35.45. The Semiconductors industry median PB Ratio is 2.99. ProbeLeader Co's value of 7.75 is 159.2% above this industry median. Based on the distribution chart, ProbeLeader Co ranks #853 out of 999 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, ProbeLeader Co has a GF Score™ of 45/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does ProbeLeader Co's PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, ProbeLeader Co ranks #853 out of 999 companies for PB Ratio. This places ProbeLeader Co in the lower half of its industry. The industry median PB Ratio is 2.99. ProbeLeader Co's value of 7.75 is 159.2% above this benchmark. Historically, ProbeLeader Co's own PB Ratio has ranged from 1.30 to 35.45 over the past decade. While the company's 10-year median is 2.34 vs. the industry median of 2.99, ProbeLeader Co 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 Semiconductors company?
The median PB Ratio among Semiconductors companies is 2.99, based on 999 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. ProbeLeader Co's current PB Ratio of 7.75 is 159.2% 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 ProbeLeader Co and its competitors. For the Semiconductors industry, the median PB Ratio is 2.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ProbeLeader Co's current PB Ratio is 7.75, which is 231% 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 ProbeLeader Co stock overvalued right now?
Based on GuruFocus' analysis, ProbeLeader Co (ROCO:5246) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$17.85, compared to a current price of NT$71.00 — trading 297.8% above its estimated fair value. The current PB Ratio is 7.75, which is 231% above median its 10-year median of 2.34 and 159.2% above the Semiconductors industry median of 2.99. ProbeLeader Co's overall GF Score™ is 45/100 with 5 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 ProbeLeader Co (ROCO:5246), the current PB Ratio is 7.75 as of Jul. 29, 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 ProbeLeader Co (ROCO:5246) Overvalued in 2026?
Based on GuruFocus' analysis, ProbeLeader Co stock appears to be overvalued.
The current stock price of NT$71.00 is trading 297.8% above its estimated GF Value™ of NT$17.85.
GuruFocus considers ProbeLeader Co to be Significantly Overvalued.
Key valuation signals for ROCO:5246:
PB Ratio: 7.75 (231% above median its 10-year median of 2.34)
GF Value™: NT$17.85 vs. price of NT$71.00 (297.8% above fair value)
Industry Position: 159.2% above the Semiconductors median (#853 of 999)
No single metric tells the full story. See the ROCO:5246 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ProbeLeader Co Ltd is engaged in designing and manufacturing of testing solutions for semiconductor and LCD panel industries. Its products include probe cards, Load-Boards, IC sockets for logic & DRAM ICs. Other than providing testing solutions for semiconductor and LCD panel industries, the company has also extended its business to testing solutions for optoelectronics and passive components. It does not only design, manufactures customized testing tools but also deal with sales, relocation, refurbishment and after-services of used-equipments.
45GF Score
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