Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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.
Knowledge Tower Trading CoSAU:9551 -9.17%79 PB Ratio is 3.88 as of Aug. 12, 2026, which is 34% below its 10-year median of 5.88. GuruFocus rates SAU:9551 with a GF Score™ of 79/100 and a GF Value™ of ﷼6.85 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 1,083 Retail - Cyclical companies, Knowledge Tower Trading Co ranks worse than 80.52% on this metric.
Knowledge Tower Trading Co stock PB Ratio (=4.27) is close to 5-year low of 3.99.
The historical rank and industry rank for Knowledge Tower Trading Co's PB Ratio or its related term are showing as below:
SAU:9551'
s PB Ratio Range Over the Past 10 Years
Min: 3.88 Med: 5.88 Max: 17.89
Current: 3.88
During the past 6 years, Knowledge Tower Trading Co's highest PB Ratio was 17.89. The lowest was 3.88. And the median was 5.88.
SAU:9551's PB Ratio is ranked worse than 80.52% of 1083
companies
in the Retail - Cyclical industry
Industry Median: 1.5
vs SAU:9551: 3.88
During the past 12 months, Knowledge Tower Trading Co's average Book Value Per Share Growth Rate was 4.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -0.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 25.90% per year.
During the past 6 years, the highest 3-Year average Book Value Per Share Growth Rate of Knowledge Tower Trading Co was 59.40% per year. The lowest was -0.20% per year. And the median was 3.20% 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.
Knowledge Tower Trading Co PB Ratio Related Terms
Knowledge Tower Trading Co PB Ratio Historical Data
* 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 Specialty Retail subindustry, Knowledge Tower Trading 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.
Knowledge Tower Trading Co PB Ratio vs Retail - Cyclical Industry
For the Retail - Cyclical industry and Consumer Cyclical sector, Knowledge Tower Trading Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Knowledge Tower Trading 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.
* 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.
Knowledge Tower Trading Co (SAU:9551) has a PB Ratio of 3.88 as of Aug. 12, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Knowledge Tower Trading Co and its competitors. This is 34% below median its historical median of 5.88. Over the past decade, Knowledge Tower Trading Co's PB Ratio has ranged from 3.88 to 17.89. According to the industry distribution chart, Knowledge Tower Trading Co ranks #872 out of 1083 companies in the Retail - Cyclical industry, placing it in the top 80.5%.
Is Knowledge Tower Trading Co's PB Ratio too high?
Knowledge Tower Trading Co's current PB Ratio of 3.88 is 34% below median its 10-year median of 5.88. Over the past 10 years, this metric has ranged from a low of 3.88 to a high of 17.89. The Retail - Cyclical industry median PB Ratio is 1.50. Knowledge Tower Trading Co's value of 3.88 is 158.7% above this industry median. Based on the distribution chart, Knowledge Tower Trading Co ranks #872 out of 1083 companies in the Retail - Cyclical industry, which is in the bottom quartile relative to peers. Overall, Knowledge Tower Trading Co has a GF Score™ of 79/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Knowledge Tower Trading Co's PB Ratio compare to CASY and WSM?
According to the Retail - Cyclical industry distribution chart, Knowledge Tower Trading Co ranks #872 out of 1083 companies for PB Ratio. This places Knowledge Tower Trading Co in the lower half of its industry. The industry median PB Ratio is 1.50. Knowledge Tower Trading Co's value of 3.88 is 158.7% above this benchmark. Historically, Knowledge Tower Trading Co's own PB Ratio has ranged from 3.88 to 17.89 over the past decade. While the company's 10-year median is 5.88 vs. the industry median of 1.50, Knowledge Tower Trading 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 Retail - Cyclical company?
The median PB Ratio among Retail - Cyclical companies is 1.50, based on 1,083 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. Knowledge Tower Trading Co's current PB Ratio of 3.88 is 158.7% 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 Knowledge Tower Trading Co and its competitors. For the Retail - Cyclical industry, the median PB Ratio is 1.50 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Knowledge Tower Trading Co's current PB Ratio is 3.88, which is 34% below median its own 10-year median of 5.88. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Knowledge Tower Trading Co stock overvalued right now?
Based on GuruFocus' analysis, Knowledge Tower Trading Co (SAU:9551) is currently considered Modestly Undervalued. The stock's GF Value™ is ﷼6.85, compared to a current price of ﷼5.35 — trading 21.9% below its estimated fair value. The current PB Ratio is 3.88, which is 34% below median its 10-year median of 5.88 and 158.7% above the Retail - Cyclical industry median of 1.50. Knowledge Tower Trading Co's overall GF Score™ is 79/100 with 6 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 Knowledge Tower Trading Co (SAU:9551), the current PB Ratio is 3.88 as of Aug. 12, 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 Knowledge Tower Trading Co (SAU:9551) Overvalued in 2026?
Based on GuruFocus' analysis, Knowledge Tower Trading Co stock appears to be undervalued.
The current stock price of ﷼5.35 is trading 21.9% below its estimated GF Value™ of ﷼6.85.
GuruFocus considers Knowledge Tower Trading Co to be Modestly Undervalued.
Key valuation signals for SAU:9551:
PB Ratio: 3.88 (34% below median its 10-year median of 5.88)
GF Value™: ﷼6.85 vs. price of ﷼5.35 (21.9% below fair value)
Industry Position: 158.7% above the Retail - Cyclical median (#872 of 1083)
No single metric tells the full story. See the SAU:9551 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Knowledge Tower Trading Co is engaged in marketing and selling educational books for schools, universities, training institutes and government educational institutions. It develops educational programs for schools and provides electronic educational platforms, modern educational resources for training and designing their educational models.
79GF Score
Get the complete analysis for SAU:9551
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
SAU:9551 has been successfully added to your 
