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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.
Theon InternationalSTU:W8C -3.08%47 Days Inventory is 119.80 as of Jun. 2026, which is 13% above its 10-year median of 106.04. GuruFocus rates STU:W8C with a GF Score™ of 47/100 and a GF Value™ of €33.59 (Fairly Valued). The stock has 3 warning signs investors should review. Among 333 Aerospace & Defense companies, Theon International ranks better than 63.36% on this metric.
The historical rank and industry rank for Theon International's Days Inventory or its related term are showing as below:
STU:W8C'
s Days Inventory Range Over the Past 10 Years
Min: 95.05 Med: 106.04 Max: 132.41
Current: 104.74
During the past 6 years, Theon International's highest Days Inventory was 132.41. The lowest was 95.05. And the median was 106.04.
STU:W8C's Days Inventory is ranked better than 63.36% of 333
companies
in the Aerospace & Defense industry
Industry Median: 146.2
vs STU:W8C: 104.74
Theon International's Days Inventory
declined
from Jun. 2025 (125.46) to Jun. 2026 (119.80).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Theon International's Inventory Turnover for the
six
months ended in Jun. 2026 was 1.52.
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.
Theon International's Inventory-to-Revenue for the
six
months ended in Jun. 2026 was 0.43.
Theon International (STU:W8C) 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.
Theon International's Inventory Turnover for the
six
months ended in Jun. 2026 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.
Theon International's Inventory to Revenue for the
six
months ended in Jun. 2026 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.
Theon International Days Inventory Related Terms
Theon International Days Inventory Historical Data
* Premium members only.
The historical data trend for Theon International's Days Inventory 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.
STU:W8C vs SPCX, GE, RTX: Days Inventory Comparison
For the Aerospace & Defense subindustry, Theon International'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.
Theon International Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Theon International's Days Inventory distribution charts can be found below:
* The bar in red indicates where Theon International'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.
Theon International (STU:W8C) has a Days Inventory of 119.80 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Theon International and its competitors. This is 13% above median its historical median of 106.04. Over the past decade, Theon International's Days Inventory has ranged from 95.05 to 132.41. According to the industry distribution chart, Theon International ranks #122 out of 333 companies in the Aerospace & Defense industry, placing it in the top 36.6%.
Is Theon International's Days Inventory too high?
Theon International's current Days Inventory of 119.80 is 13% above median its 10-year median of 106.04. Over the past 10 years, this metric has ranged from a low of 95.05 to a high of 132.41. The Aerospace & Defense industry median Days Inventory is 146.20. Theon International's value of 119.80 is 18.1% below this industry median. Based on the distribution chart, Theon International ranks #122 out of 333 companies in the Aerospace & Defense industry, which is above the industry midpoint. Overall, Theon International has a GF Score™ of 47/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Theon International's Days Inventory compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, Theon International ranks #122 out of 333 companies for Days Inventory. This puts Theon International in the upper half of its industry. The industry median Days Inventory is 146.20. Theon International's value of 119.80 is 18.1% below this benchmark. Historically, Theon International's own Days Inventory has ranged from 95.05 to 132.41 over the past decade. While the company's 10-year median is 106.04 vs. the industry median of 146.20, Theon International 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 Days Inventory for an Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 146.20, based on 333 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. Theon International's current Days Inventory of 119.80 is 18.1% 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 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 Theon International and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 146.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Theon International's current Days Inventory is 119.80, which is 13% above median its own 10-year median of 106.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Theon International stock overvalued right now?
Based on GuruFocus' analysis, Theon International (STU:W8C) is currently considered Fairly Valued. The stock's GF Value™ is €33.59, compared to a current price of €32.08 — trading 4.5% below its estimated fair value. The current Days Inventory is 119.80, which is 13% above median its 10-year median of 106.04 and 18.1% below the Aerospace & Defense industry median of 146.20. Theon International's overall GF Score™ is 47/100 with 3 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 Theon International (STU:W8C), the current Days Inventory is 119.80 as of Jun. 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 Theon International (STU:W8C) Overvalued in 2026?
Based on GuruFocus' analysis, Theon International stock appears to be undervalued.
The current stock price of €32.08 is trading 4.5% below its estimated GF Value™ of €33.59.
GuruFocus considers Theon International to be Fairly Valued.
Key valuation signals for STU:W8C:
Days Inventory: 119.80 (13% above median its 10-year median of 106.04)
GF Value™: €33.59 vs. price of €32.08 (4.5% below fair value)
Industry Position: 18.1% below the Aerospace & Defense median (#122 of 333)
No single metric tells the full story. See the STU:W8C stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Theon International PLC is a defense and security technology company specializing in electro-optical systems and integrated solutions for military and security applications. It develops and manufactures night vision and thermal imaging systems used by defense and security organizations. The company operates internationally through subsidiaries and production facilities across multiple regions. Its products are used by armed forces and security agencies in various countries. In addition to electro-optical systems, it develops integrated soldier systems, ISR optronics, and platform solutions for land and maritime environments.
47GF Score
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