The CooperCOO +0.48%89 Days Inventory is 233.70 as of Apr. 2026, which is 15% above its 10-year median of 203.67. GuruFocus rates COO with a GF Score™ of 89/100 and a GF Value™ of $100.88 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 786 Medical Devices & Instruments companies, The Cooper ranks worse than 63.49% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). The Cooper's Average Total Inventories for the
three
months ended in Apr. 2026 was $886 Mil. The Cooper's Cost of Goods Sold for the
three
months ended in Apr. 2026 was $346 Mil.
Hence, The Cooper's Days Inventory for the
three
months ended in Apr. 2026 was 233.70.
The historical rank and industry rank for The Cooper's Days Inventory or its related term are showing as below:
COO'
s Days Inventory Range Over the Past 10 Years
Min: 187.04 Med: 203.67 Max: 219.4
Current: 219.37
During the past 13 years, The Cooper's highest Days Inventory was 219.40. The lowest was 187.04. And the median was 203.67.
COO's Days Inventory is ranked worse than 63.49% of 786
companies
in the Medical Devices & Instruments industry
Industry Median: 179.86
vs COO: 219.37
The Cooper's Days Inventory
declined
from Apr. 2025 (243.26) to Apr. 2026 (233.70).
Inventory Turnover measures how fast the company turns over its inventory within a year.
The Cooper's Inventory Turnover for the
three
months ended in Apr. 2026 was 0.39.
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.
The Cooper's Inventory-to-Revenue for the
three
months ended in Apr. 2026 was 0.82.
The Cooper (NAS:COO) 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.
The Cooper's Inventory Turnover for the
three
months ended in Apr. 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.
The Cooper's Inventory to Revenue for the
three
months ended in Apr. 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.
The Cooper Days Inventory Related Terms
The Cooper Days Inventory Historical Data
* Premium members only.
The historical data trend for The Cooper'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.
For the Medical Instruments & Supplies subindustry, The Cooper'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.
The Cooper Days Inventory vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, The Cooper's Days Inventory distribution charts can be found below:
* The bar in red indicates where The Cooper'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.
The Cooper (COO) has a Days Inventory of 233.70 as of Apr. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on The Cooper and its competitors. This is 15% above median its historical median of 203.67. Over the past decade, The Cooper's Days Inventory has ranged from 187.04 to 219.40. According to the industry distribution chart, The Cooper ranks #499 out of 786 companies in the Medical Devices & Instruments industry, placing it in the top 63.5%.
Is The Cooper's Days Inventory too high?
The Cooper's current Days Inventory of 233.70 is 15% above median its 10-year median of 203.67. Over the past 10 years, this metric has ranged from a low of 187.04 to a high of 219.40. The Medical Devices & Instruments industry median Days Inventory is 179.86. The Cooper's value of 233.70 is 29.9% above this industry median. Based on the distribution chart, The Cooper ranks #499 out of 786 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, The Cooper has a GF Score™ of 89/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does The Cooper's Days Inventory compare to ALGN and SOLV?
According to the Medical Devices & Instruments industry distribution chart, The Cooper ranks #499 out of 786 companies for Days Inventory. This places The Cooper in the lower half of its industry. The industry median Days Inventory is 179.86. The Cooper's value of 233.70 is 29.9% above this benchmark. Historically, The Cooper's own Days Inventory has ranged from 187.04 to 219.40 over the past decade. While the company's 10-year median is 203.67 vs. the industry median of 179.86, The Cooper 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 179.86, 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. The Cooper's current Days Inventory of 233.70 is 29.9% 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 The Cooper and its competitors. For the Medical Devices & Instruments industry, the median Days Inventory is 179.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. The Cooper's current Days Inventory is 233.70, which is 15% above median its own 10-year median of 203.67. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is The Cooper stock overvalued right now?
Based on GuruFocus' analysis, The Cooper (COO) is currently considered Significantly Undervalued. The stock's GF Value™ is $100.88, compared to a current price of $71.02 — trading 29.6% below its estimated fair value. The current Days Inventory is 233.70, which is 15% above median its 10-year median of 203.67 and 29.9% above the Medical Devices & Instruments industry median of 179.86. The Cooper's overall GF Score™ is 89/100 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 The Cooper (COO), the current Days Inventory is 233.70 as of Apr. 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 The Cooper (COO) Overvalued in 2026?
Based on GuruFocus' analysis, The Cooper stock appears to be undervalued.
The current stock price of $71.02 is trading 29.6% below its estimated GF Value™ of $100.88.
GuruFocus considers The Cooper to be Significantly Undervalued.
Key valuation signals for COO:
Days Inventory: 233.70 (15% above median its 10-year median of 203.67)
GF Value™: $100.88 vs. price of $71.02 (29.6% below fair value)
Industry Position: 29.9% above the Medical Devices & Instruments median (#499 of 786)
No single metric tells the full story. See the COO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
CooperCompanies is one of the largest eyecare companies in the US. It operates in two segments: CooperVision and CooperSurgical. CooperVision is a pure-play contact lens business with a suite of spherical, multifocal, and toric contact lenses. The company also has one of the most comprehensive specialty lens portfolios in the world. With brands including Proclear, Biofinity, MyDay, and Clariti, Cooper controls roughly one fourth of the US contact lens market. CooperSurgical, founded in 1990, is made up of equipment related to reproductive care, fertility, and women's care. Cooper has the broadest medical device coverage of the entire IVF cycle. It also has Paragard, the only hormone-free IUD in the US, and controls 17% of the US IUD market.
89GF Score
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