SDI GroupFRA:SD0 -0.97%69 Days Inventory is 190.23 as of Oct. 2025, which is 30% above its 10-year median of 145.99. GuruFocus rates FRA:SD0 with a GF Score™ of 69/100 and a GF Value™ of €0.97 (Fairly Valued). The stock has 7 warning signs investors should review. Among 2,413 Hardware companies, SDI Group ranks worse than 80.61% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). SDI Group's Average Total Inventories for the
six
months ended in Oct. 2025 was €13.69 Mil. SDI Group's Cost of Goods Sold for the
six
months ended in Oct. 2025 was €13.14 Mil.
Hence, SDI Group's Days Inventory for the
six
months ended in Oct. 2025 was 190.23.
The historical rank and industry rank for SDI Group's Days Inventory or its related term are showing as below:
FRA:SD0'
s Days Inventory Range Over the Past 10 Years
Min: 130.59 Med: 145.99 Max: 180.88
Current: 178.85
During the past 13 years, SDI Group's highest Days Inventory was 180.88. The lowest was 130.59. And the median was 145.99.
FRA:SD0's Days Inventory is ranked worse than 80.61% of 2413
companies
in the Hardware industry
Industry Median: 94.29
vs FRA:SD0: 178.85
SDI Group's Days Inventory
increased
from Oct. 2024 (187.10) to Oct. 2025 (190.23).
It might indicate that SDI Group's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
SDI Group's Inventory Turnover for the
six
months ended in Oct. 2025 was 0.96.
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.
SDI Group's Inventory-to-Revenue for the
six
months ended in Oct. 2025 was 0.35.
SDI Group (FRA:SD0) 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.
SDI Group's Inventory Turnover for the
six
months ended in Oct. 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.
SDI Group's Inventory to Revenue for the
six
months ended in Oct. 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.
SDI Group Days Inventory Related Terms
SDI Group Days Inventory Historical Data
* Premium members only.
The historical data trend for SDI Group'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.
FRA:SD0 vs COHR, KEYS, GRMN: Days Inventory Comparison
For the Scientific & Technical Instruments subindustry, SDI Group'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.
SDI Group Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, SDI Group's Days Inventory distribution charts can be found below:
* The bar in red indicates where SDI Group'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.
SDI Group (FRA:SD0) has a Days Inventory of 190.23 as of Oct. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SDI Group and its competitors. This is 30% above median its historical median of 145.99. Over the past decade, SDI Group's Days Inventory has ranged from 130.59 to 180.88. According to the industry distribution chart, SDI Group ranks #1945 out of 2413 companies in the Hardware industry, placing it in the top 80.6%.
Is SDI Group's Days Inventory too high?
SDI Group's current Days Inventory of 190.23 is 30% above median its 10-year median of 145.99. Over the past 10 years, this metric has ranged from a low of 130.59 to a high of 180.88. The Hardware industry median Days Inventory is 94.29. SDI Group's value of 190.23 is 101.7% above this industry median. Based on the distribution chart, SDI Group ranks #1945 out of 2413 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, SDI Group has a GF Score™ of 69/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does SDI Group's Days Inventory compare to COHR and KEYS?
According to the Hardware industry distribution chart, SDI Group ranks #1945 out of 2413 companies for Days Inventory. This places SDI Group in the lower half of its industry. The industry median Days Inventory is 94.29. SDI Group's value of 190.23 is 101.7% above this benchmark. Historically, SDI Group's own Days Inventory has ranged from 130.59 to 180.88 over the past decade. While the company's 10-year median is 145.99 vs. the industry median of 94.29, SDI Group 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 Hardware company?
The median Days Inventory among Hardware companies is 94.29, based on 2,413 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. SDI Group's current Days Inventory of 190.23 is 101.7% 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 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 SDI Group and its competitors. For the Hardware industry, the median Days Inventory is 94.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SDI Group's current Days Inventory is 190.23, which is 30% above median its own 10-year median of 145.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SDI Group stock overvalued right now?
Based on GuruFocus' analysis, SDI Group (FRA:SD0) is currently considered Fairly Valued. The stock's GF Value™ is €0.97, compared to a current price of €1.02 — trading 5.2% above its estimated fair value. The current Days Inventory is 190.23, which is 30% above median its 10-year median of 145.99 and 101.7% above the Hardware industry median of 94.29. SDI Group's overall GF Score™ is 69/100 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 SDI Group (FRA:SD0), the current Days Inventory is 190.23 as of Oct. 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 SDI Group (FRA:SD0) Overvalued in 2026?
Based on GuruFocus' analysis, SDI Group stock appears to be overvalued.
The current stock price of €1.02 is trading 5.2% above its estimated GF Value™ of €0.97.
GuruFocus considers SDI Group to be Fairly Valued.
Key valuation signals for FRA:SD0:
Days Inventory: 190.23 (30% above median its 10-year median of 145.99)
GF Value™: €0.97 vs. price of €1.02 (5.2% above fair value)
Industry Position: 101.7% above the Hardware median (#1945 of 2413)
No single metric tells the full story. See the FRA:SD0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SDI Group PLC designs and manufactures scientific and technology products for use by the life science, healthcare, astronomy, consumer manufacturing, and art conservation markets through Synoptics, the Artemis, the Opus instruments, and Astles Control systems brands. The Digital Imaging segment incorporates the Synoptics brands Syngene, Synbiosis, Synoptics Health and Fistreem, the Atik brands Atik Cameras, Opus, and Quantum Scientific Imaging, and the Graticules Optics business. The Sensors & Control segment combines Sentek, Astles Control Systems, Applied Thermal Control, Thermal Exchange, MPB Industries, and Chell Instruments businesses. It operates in the UK, Europe, America, Rest of Asia, and Rest of the world segments. It derives majority of its revenues from the United Kingdom.
69GF Score
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