Carl Zeiss Meditec AG (FRA:AFX) Days Inventory: 189.04 (As of Dec. 2025) — 21% Above Median


FRA:AFX Carl Zeiss Meditec AG FRA:AFX
68 GF Score
Price €26.68
GF Value €73.27
Valuation Significantly Undervalued
! 4 Warning Signs
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What is Carl Zeiss Meditec AG Days Inventory?

Carl Zeiss Meditec AG FRA:AFX -0.45% 68 Days Inventory is 189.04 as of Dec. 2025, which is 21% above its 10-year median of 155.92. GuruFocus rates FRA:AFX with a GF Score™ of 68/100 and a GF Value™ of €73.27 (Significantly Undervalued). The stock has 4 warning signs investors should review. Among 786 Medical Devices & Instruments companies, Carl Zeiss Meditec AG ranks worse than 51.65% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Carl Zeiss Meditec AG's Average Total Inventories for the three months ended in Dec. 2025 was €497 Mil. Carl Zeiss Meditec AG's Cost of Goods Sold for the three months ended in Dec. 2025 was €240 Mil. Hence, Carl Zeiss Meditec AG's Days Inventory for the three months ended in Dec. 2025 was 189.04.

The historical rank and industry rank for Carl Zeiss Meditec AG's Days Inventory or its related term are showing as below:

FRA:AFX' s Days Inventory Range Over the Past 10 Years
Min: 142.65   Med: 155.92   Max: 197.12
Current: 182.87

During the past 13 years, Carl Zeiss Meditec AG's highest Days Inventory was 197.12. The lowest was 142.65. And the median was 155.92.

FRA:AFX's Days Inventory is ranked worse than
51.65% of 786 companies
in the Medical Devices & Instruments industry
Industry Median: 179.6 vs FRA:AFX: 182.87

Carl Zeiss Meditec AG's Days Inventory declined from Dec. 2024 (205.22) to Dec. 2025 (189.04).

Inventory Turnover measures how fast the company turns over its inventory within a year. Carl Zeiss Meditec AG's Inventory Turnover for the three months ended in Dec. 2025 was 0.48.

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. Carl Zeiss Meditec AG's Inventory-to-Revenue for the three months ended in Dec. 2025 was 1.06.


Carl Zeiss Meditec AG  (FRA:AFX) 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.

Carl Zeiss Meditec AG's Inventory Turnover for the three months ended in Dec. 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.

Carl Zeiss Meditec AG's Inventory to Revenue for the three months ended in Dec. 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.


Carl Zeiss Meditec AG Days Inventory Related Terms


Carl Zeiss Meditec AG Days Inventory Historical Data

* Premium members only.

The historical data trend for Carl Zeiss Meditec AG'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.

Carl Zeiss Meditec AG Days Inventory Chart

Carl Zeiss Meditec AG Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 153.81 157.52 186.39 197.12 179.15

Carl Zeiss Meditec AG Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 205.22 194.67 193.43 153.29 189.04

FRA:AFX vs ISRG, BDX, MDLN: Days Inventory Comparison

For the Medical Instruments & Supplies subindustry, Carl Zeiss Meditec AG'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.


Carl Zeiss Meditec AG Days Inventory vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Carl Zeiss Meditec AG's Days Inventory distribution charts can be found below:

* The bar in red indicates where Carl Zeiss Meditec AG's Days Inventory falls into.


FRA:AFX
68GF Score
Carl Zeiss Meditec AG FRA:AFX
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Carl Zeiss Meditec AG Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Carl Zeiss Meditec AG's Days Inventory for the fiscal year that ended in Sep. 2025 is calculated as

Days Inventory (A: Sep. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Sep. 2024 ) + Total Inventories (A: Sep. 2025 )) / count ) / Cost of Goods Sold (A: Sep. 2025 )*Days in Period
=( (536.163 + 496.982) / 2 ) / 1052.448*365
=516.5725 / 1052.448*365
=179.15

Carl Zeiss Meditec AG's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (496.982 + 0) / 1 ) / 239.9*365 / 4
=496.982 / 239.9*365 / 4
=189.04

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 189.04 mean?
Carl Zeiss Meditec AG (FRA:AFX) has a Days Inventory of 189.04 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Carl Zeiss Meditec AG and its competitors. This is 21% above median its historical median of 155.92. Over the past decade, Carl Zeiss Meditec AG's Days Inventory has ranged from 142.65 to 197.12. According to the industry distribution chart, Carl Zeiss Meditec AG ranks #406 out of 786 companies in the Medical Devices & Instruments industry, placing it in the top 51.7%.
Is Carl Zeiss Meditec AG's Days Inventory too high?
Carl Zeiss Meditec AG's current Days Inventory of 189.04 is 21% above median its 10-year median of 155.92. Over the past 10 years, this metric has ranged from a low of 142.65 to a high of 197.12. The Medical Devices & Instruments industry median Days Inventory is 179.60. Carl Zeiss Meditec AG's value of 189.04 is 5.3% above this industry median. Based on the distribution chart, Carl Zeiss Meditec AG ranks #406 out of 786 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Carl Zeiss Meditec AG has a GF Score™ of 68/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Carl Zeiss Meditec AG's Days Inventory compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Carl Zeiss Meditec AG ranks #406 out of 786 companies for Days Inventory. This places Carl Zeiss Meditec AG in the lower half of its industry. The industry median Days Inventory is 179.60. Carl Zeiss Meditec AG's value of 189.04 is 5.3% above this benchmark. Historically, Carl Zeiss Meditec AG's own Days Inventory has ranged from 142.65 to 197.12 over the past decade. While the company's 10-year median is 155.92 vs. the industry median of 179.60, Carl Zeiss Meditec AG 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 Devices & Instruments company?
The median Days Inventory among Medical Devices & Instruments companies is 179.60, based on 786 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. Carl Zeiss Meditec AG's current Days Inventory of 189.04 is 5.3% 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 Carl Zeiss Meditec AG and its competitors. For the Medical Devices & Instruments industry, the median Days Inventory is 179.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Carl Zeiss Meditec AG's current Days Inventory is 189.04, which is 21% above median its own 10-year median of 155.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Carl Zeiss Meditec AG stock overvalued right now?
Based on GuruFocus' analysis, Carl Zeiss Meditec AG (FRA:AFX) is currently considered Significantly Undervalued. The stock's GF Value™ is €73.27, compared to a current price of €26.68 — trading 63.6% below its estimated fair value. The current Days Inventory is 189.04, which is 21% above median its 10-year median of 155.92 and 5.3% above the Medical Devices & Instruments industry median of 179.60. Carl Zeiss Meditec AG's overall GF Score™ is 68/100 with 4 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 Carl Zeiss Meditec AG (FRA:AFX), the current Days Inventory is 189.04 as of Dec. 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 Carl Zeiss Meditec AG (FRA:AFX) Overvalued in 2026?

Based on GuruFocus' analysis, Carl Zeiss Meditec AG stock appears to be undervalued. The current stock price of €26.68 is trading 63.6% below its estimated GF Value™ of €73.27. GuruFocus considers Carl Zeiss Meditec AG to be Significantly Undervalued.

Key valuation signals for FRA:AFX:

  • Days Inventory: 189.04 (21% above median its 10-year median of 155.92)
  • GF Value™: €73.27 vs. price of €26.68 (63.6% below fair value)
  • GF Score™: 68/100 with 4 warning signs
  • Industry Position: 5.3% above the Medical Devices & Instruments median (#406 of 786)

No single metric tells the full story. See the FRA:AFX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Carl Zeiss Meditec AG Business Description

Address Goschwitzer Strasse 51-52, Jena, TH, DEU, 07745
Carl Zeiss Meditec is one of the largest visioncare technology companies in the world, and it operates in two segments: ophthalmic devices and microsurgery. OPT, which made up about 75% of sales in 2025, includes refractive lasers, surgical ophthalmic devices, equipment for ophthalmic diagnostics, as well as a portfolio of intraocular lenses and disposable medical instruments. With a low-teens share of the market, Zeiss is the second-largest player in the space. MCS is composed of implants, surgical instruments, and visualization devices used during neurosurgery, spine surgery, and otolaryngology surgery. With over 60% market share, Zeiss is the clear leader in the microsurgery space.
68GF Score

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Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€26.68
Price
€73.27
GF Value