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Spectral MedicalSTU:SD4 +1.23%14 Days Inventory is 451.18 as of Mar. 2026, which is 216% above its 10-year median of 142.96. GuruFocus rates STU:SD4 with a GF Score™ of 14/100 and a GF Value™ of €0.56 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 179 Medical Diagnostics & Research companies, Spectral Medical ranks worse than 59.22% on this metric.
The historical rank and industry rank for Spectral Medical's Days Inventory or its related term are showing as below:
STU:SD4'
s Days Inventory Range Over the Past 10 Years
Min: 69.03 Med: 142.96 Max: 192.42
Current: 82.88
During the past 13 years, Spectral Medical's highest Days Inventory was 192.42. The lowest was 69.03. And the median was 142.96.
STU:SD4's Days Inventory is ranked worse than 59.22% of 179
companies
in the Medical Diagnostics & Research industry
Industry Median: 65.04
vs STU:SD4: 82.88
Spectral Medical's Days Inventory
increased
from Mar. 2025 (0.00) to Mar. 2026 (451.18).
It might indicate that Spectral Medical's sales slowed down.
Warning Sign:
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.
Spectral Medical's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.20.
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.
Spectral Medical's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.48.
Spectral Medical (STU:SD4) 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.
Spectral Medical's Inventory Turnover for the
three
months ended in Mar. 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.
Spectral Medical's Inventory to Revenue for the
three
months ended in Mar. 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.
Spectral Medical Days Inventory Related Terms
Spectral Medical Days Inventory Historical Data
* Premium members only.
The historical data trend for Spectral Medical'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:SD4 vs TMO, DHR, IDXX: Days Inventory Comparison
For the Diagnostics & Research subindustry, Spectral Medical'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.
Spectral Medical Days Inventory vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Spectral Medical's Days Inventory distribution charts can be found below:
* The bar in red indicates where Spectral Medical'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.
Spectral Medical (STU:SD4) has a Days Inventory of 451.18 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Spectral Medical and its competitors. This is 216% above median its historical median of 142.96. Over the past decade, Spectral Medical's Days Inventory has ranged from 69.03 to 192.42. According to the industry distribution chart, Spectral Medical ranks #106 out of 179 companies in the Medical Diagnostics & Research industry, placing it in the top 59.2%.
Is Spectral Medical's Days Inventory too high?
Spectral Medical's current Days Inventory of 451.18 is 216% above median its 10-year median of 142.96. Over the past 10 years, this metric has ranged from a low of 69.03 to a high of 192.42. The Medical Diagnostics & Research industry median Days Inventory is 65.04. Spectral Medical's value of 451.18 is 593.7% above this industry median. Based on the distribution chart, Spectral Medical ranks #106 out of 179 companies in the Medical Diagnostics & Research industry, which is below the industry midpoint. Overall, Spectral Medical has a GF Score™ of 14/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Spectral Medical's Days Inventory compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Spectral Medical ranks #106 out of 179 companies for Days Inventory. This places Spectral Medical in the lower half of its industry. The industry median Days Inventory is 65.04. Spectral Medical's value of 451.18 is 593.7% above this benchmark. Historically, Spectral Medical's own Days Inventory has ranged from 69.03 to 192.42 over the past decade. While the company's 10-year median is 142.96 vs. the industry median of 65.04, Spectral Medical 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 Medical Diagnostics & Research company?
The median Days Inventory among Medical Diagnostics & Research companies is 65.04, based on 179 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. Spectral Medical's current Days Inventory of 451.18 is 593.7% 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 Spectral Medical and its competitors. For the Medical Diagnostics & Research industry, the median Days Inventory is 65.04 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Spectral Medical's current Days Inventory is 451.18, which is 216% above median its own 10-year median of 142.96. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Spectral Medical stock overvalued right now?
Based on GuruFocus' analysis, Spectral Medical (STU:SD4) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.56, compared to a current price of €0.83 — trading 47.3% above its estimated fair value. The current Days Inventory is 451.18, which is 216% above median its 10-year median of 142.96 and 593.7% above the Medical Diagnostics & Research industry median of 65.04. Spectral Medical's overall GF Score™ is 14/100 with 9 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 Spectral Medical (STU:SD4), the current Days Inventory is 451.18 as of Mar. 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 Spectral Medical (STU:SD4) Overvalued in 2026?
Based on GuruFocus' analysis, Spectral Medical stock appears to be overvalued.
The current stock price of €0.83 is trading 47.3% above its estimated GF Value™ of €0.56.
GuruFocus considers Spectral Medical to be Significantly Overvalued.
Key valuation signals for STU:SD4:
Days Inventory: 451.18 (216% above median its 10-year median of 142.96)
GF Value™: €0.56 vs. price of €0.83 (47.3% above fair value)
Industry Position: 593.7% above the Medical Diagnostics & Research median (#106 of 179)
No single metric tells the full story. See the STU:SD4 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Spectral Medical Inc is focused on the development and commercialization of a treatment for septic shock utilizing its endotoxin activity assay (EAA) diagnostic and the Toraymyxin therapeutic. The company also manufactures and sells proprietary reagents. The product line of the company consists of proprietary biochemical, EAA, and instrumentation. Its products include an endotoxin activity assay, a rapid in-vitro diagnostic test used to measure endotoxin levels in blood, and a polymyxin B hemoperfusion device designed to remove endotoxin from the bloodstream. The company's proprietary reagents include recombinant proteins, antibodies, and calibrators used in research and diagnostic applications.
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