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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.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
The historical rank and industry rank for Knowledge Tower Trading Co's Median PS Value or its related term are showing as below:
SAU:9551's Price-to-Median-PS-Value is not ranked *
in the Retail - Cyclical industry.
Industry Median: 0.9 * Ranked among companies with meaningful Price-to-Median-PS-Value only.
Knowledge Tower Trading Co (SAU:9551) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
Knowledge Tower Trading Co's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
5.89
/
0.00
=
* 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.
Knowledge Tower Trading Co Median PS Value Related Terms
Knowledge Tower Trading Co Median PS Value 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.
SAU:9551 vs CASY, WSM, ULTA: Median PS Value Comparison
For the Specialty Retail subindustry, Knowledge Tower Trading Co's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value 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 Price-to-Median-PS-Value vs Retail - Cyclical Industry
For the Retail - Cyclical industry and Consumer Cyclical sector, Knowledge Tower Trading Co's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where Knowledge Tower Trading Co's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 0.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Knowledge Tower Trading Co's Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 was ﷼1.421.
* 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.
Knowledge Tower Trading Co (SAU:9551) has a Median PS Value of ﷼0.00 as of Aug. 11, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Knowledge Tower Trading Co and its competitors. According to the industry distribution chart, Knowledge Tower Trading Co ranks #999999 out of 642 companies in the Retail - Cyclical industry.
Is Knowledge Tower Trading Co's Median PS Value too high?
Knowledge Tower Trading Co's current Median PS Value is ﷼0.00. Based on the distribution chart, Knowledge Tower Trading Co ranks #999999 out of 642 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 Median PS Value compare to CASY and WSM?
According to the Retail - Cyclical industry distribution chart, Knowledge Tower Trading Co ranks #999999 out of 642 companies for Median PS Value. This places Knowledge Tower Trading Co in the lower half of its industry. The industry median Median PS Value is 0.90. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Median PS Value for a Retail - Cyclical company?
The median Median PS Value among Retail - Cyclical companies is 0.90, based on 642 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value 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 Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Knowledge Tower Trading Co and its competitors. For the Retail - Cyclical industry, the median Median PS Value is 0.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Knowledge Tower Trading Co's current Median PS Value is ﷼0.00. 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 ﷼5.89 — trading 14% below its estimated fair value. The current Median PS Value is ﷼0.00. 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 Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For Knowledge Tower Trading Co (SAU:9551), the current Median PS Value is ﷼0.00 as of Aug. 11, 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 ﷼5.89 is trading 14% below its estimated GF Value™ of ﷼6.85.
GuruFocus considers Knowledge Tower Trading Co to be Modestly Undervalued.
Key valuation signals for SAU:9551:
Median PS Value: ﷼0.00
GF Value™: ﷼6.85 vs. price of ﷼5.89 (14% below fair value)
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
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