Productive Technologies CoSTU:SUT -5.71%30 Days Inventory is 1,265.94 as of Sep. 2025, which is 4968% above its 10-year median of 24.98. GuruFocus rates STU:SUT with a GF Score™ of 30/100 and a GF Value™ of €0.02 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 980 Semiconductors companies, Productive Technologies Co ranks worse than 98.88% on this metric.
If a company builds up inventory, it may mean it is having difficulties selling its goods.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Productive Technologies Co's Inventory Turnover for the
six
months ended in Sep. 2025 was 0.14.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Productive Technologies Co's Inventory-to-Revenue for the
six
months ended in Sep. 2025 was 6.06.
Productive Technologies Co (STU:SUT) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Productive Technologies Co's Inventory Turnover for the
six
months ended in Sep. 2025 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Productive Technologies Co's Inventory to Revenue for the
six
months ended in Sep. 2025 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Productive Technologies Co Days Inventory Related Terms
Productive Technologies Co Days Inventory 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.
STU:SUT vs AMAT, LRCX, KLAC: Days Inventory Comparison
For the Semiconductor Equipment & Materials subindustry, Productive Technologies Co's Days Inventory, along with its competitors' market caps and Days Inventory 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.
Productive Technologies Co Days Inventory vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Productive Technologies Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Productive Technologies Co's Days Inventory falls into.
* 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.
Productive Technologies Co (STU:SUT) has a Days Inventory of 1,265.94 as of Sep. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Productive Technologies Co and its competitors. This is 4968% above median its historical median of 24.98. Over the past decade, Productive Technologies Co's Days Inventory has ranged from 10.28 to 1,069.12. According to the industry distribution chart, Productive Technologies Co ranks #969 out of 980 companies in the Semiconductors industry, placing it in the top 98.9%.
Is Productive Technologies Co's Days Inventory too high?
Productive Technologies Co's current Days Inventory of 1,265.94 is 4968% above median its 10-year median of 24.98. Over the past 10 years, this metric has ranged from a low of 10.28 to a high of 1,069.12. The Semiconductors industry median Days Inventory is 111.93. Productive Technologies Co's value of 1,265.94 is 1031% above this industry median. Based on the distribution chart, Productive Technologies Co ranks #969 out of 980 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Productive Technologies Co has a GF Score™ of 30/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Productive Technologies Co's Days Inventory compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Productive Technologies Co ranks #969 out of 980 companies for Days Inventory. This places Productive Technologies Co in the lower half of its industry. The industry median Days Inventory is 111.93. Productive Technologies Co's value of 1,265.94 is 1031% above this benchmark. Historically, Productive Technologies Co's own Days Inventory has ranged from 10.28 to 1,069.12 over the past decade. While the company's 10-year median is 24.98 vs. the industry median of 111.93, Productive Technologies 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 Days Inventory for a Semiconductors company?
The median Days Inventory among Semiconductors companies is 111.93, based on 980 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Productive Technologies Co's current Days Inventory of 1,265.94 is 1031% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Productive Technologies Co and its competitors. For the Semiconductors industry, the median Days Inventory is 111.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Productive Technologies Co's current Days Inventory is 1,265.94, which is 4968% above median its own 10-year median of 24.98. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Productive Technologies Co stock overvalued right now?
Based on GuruFocus' analysis, Productive Technologies Co (STU:SUT) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.02, compared to a current price of €0.03 — trading 65% above its estimated fair value. The current Days Inventory is 1,265.94, which is 4968% above median its 10-year median of 24.98 and 1031% above the Semiconductors industry median of 111.93. Productive Technologies Co's overall GF Score™ is 30/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Productive Technologies Co (STU:SUT), the current Days Inventory is 1,265.94 as of Sep. 2025. 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 Productive Technologies Co (STU:SUT) Overvalued in 2026?
Based on GuruFocus' analysis, Productive Technologies Co stock appears to be overvalued.
The current stock price of €0.03 is trading 65% above its estimated GF Value™ of €0.02.
GuruFocus considers Productive Technologies Co to be Significantly Overvalued.
Key valuation signals for STU:SUT:
Days Inventory: 1,265.94 (4968% above median its 10-year median of 24.98)
GF Value™: €0.02 vs. price of €0.03 (65% above fair value)
Industry Position: 1031% above the Semiconductors median (#969 of 980)
No single metric tells the full story. See the STU:SUT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Productive Technologies Co Ltd is engaged in the business of productivity-driven equipment applied in semiconductor and solar cell businesses. It also operates an oil and gas production project in the PRC. It offers sustainable growth and supply chain re-optimization of the semiconductor and solar power market and is committed to high-productivity solutions to industrial manufacturers. It has two segments, including semiconductor and solar cells, and Oil and gas and others segments. It generates the majority of its revenue from the Oil and gas and others: this segment invests in and operates an upstream oil and gas business, LNG business, and generates income from the processing of oil and gas and LNG, as well as investing and managing energy-related and other industries and businesses.
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