DXCM (DexCom) Days Inventory: 136.66 (As of Mar. 2026) — 27% Above Median


DXCM DexCom Inc DXCM
90 GF Score
Price $70.14
GF Value $103.58
Valuation Significantly Undervalued
! 3 Warning Signs
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What is DexCom Days Inventory?

DexCom DXCM +2.17% 90 Days Inventory is 136.66 as of Mar. 2026, which is 27% above its 10-year median of 107.51. GuruFocus rates DXCM with a GF Score™ of 90/100 and a GF Value™ of $103.58 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 786 Medical Devices & Instruments companies, DexCom ranks better than 73.28% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). DexCom's Average Total Inventories for the three months ended in Mar. 2026 was $661 Mil. DexCom's Cost of Goods Sold for the three months ended in Mar. 2026 was $442 Mil. Hence, DexCom's Days Inventory for the three months ended in Mar. 2026 was 136.66.

The historical rank and industry rank for DexCom's Days Inventory or its related term are showing as below:

DXCM' s Days Inventory Range Over the Past 10 Years
Min: 57.52   Med: 107.51   Max: 140.68
Current: 119.48

During the past 13 years, DexCom's highest Days Inventory was 140.68. The lowest was 57.52. And the median was 107.51.

DXCM's Days Inventory is ranked better than
73.28% of 786 companies
in the Medical Devices & Instruments industry
Industry Median: 179.86 vs DXCM: 119.48

DexCom's Days Inventory increased from Mar. 2025 (110.32) to Mar. 2026 (136.66). It might indicate that DexCom's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. DexCom's Inventory Turnover for the three months ended in Mar. 2026 was 0.67.

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. DexCom's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.55.


DexCom  (NAS:DXCM) 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.

DexCom'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.

DexCom'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.


DexCom Days Inventory Related Terms


DexCom Days Inventory Historical Data

* Premium members only.

The historical data trend for DexCom'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.

DexCom Days Inventory Chart

DexCom Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 140.68 118.03 118.57 126.13 114.96

DexCom Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 110.32 108.04 112.16 120.51 136.66

DXCM vs GEHC, STE, ZBH: Days Inventory Comparison

For the Medical Devices subindustry, DexCom'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.


DexCom Days Inventory vs Medical Devices & Instruments Industry

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

* The bar in red indicates where DexCom's Days Inventory falls into.


DXCM
90GF Score
DexCom Inc DXCM
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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DexCom Days Inventory Calculation

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

DexCom's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (542.6 + 629.1) / 2 ) / 1860.1*365
=585.85 / 1860.1*365
=114.96

DexCom's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (629.1 + 693.6) / 2 ) / 441.6*365 / 4
=661.35 / 441.6*365 / 4
=136.66

* 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 136.66 mean?
DexCom (DXCM) has a Days Inventory of 136.66 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on DexCom and its competitors. This is 27% above median its historical median of 107.51. Over the past decade, DexCom's Days Inventory has ranged from 57.52 to 140.68. According to the industry distribution chart, DexCom ranks #210 out of 786 companies in the Medical Devices & Instruments industry, placing it in the top 26.7%.
Is DexCom's Days Inventory too high?
DexCom's current Days Inventory of 136.66 is 27% above median its 10-year median of 107.51. Over the past 10 years, this metric has ranged from a low of 57.52 to a high of 140.68. The Medical Devices & Instruments industry median Days Inventory is 179.86. DexCom's value of 136.66 is 24% below this industry median. Based on the distribution chart, DexCom ranks #210 out of 786 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, DexCom has a GF Score™ of 90/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does DexCom's Days Inventory compare to GEHC and STE?
According to the Medical Devices & Instruments industry distribution chart, DexCom ranks #210 out of 786 companies for Days Inventory. This puts DexCom in the upper half of its industry. The industry median Days Inventory is 179.86. DexCom's value of 136.66 is 24% below this benchmark. Historically, DexCom's own Days Inventory has ranged from 57.52 to 140.68 over the past decade. While the company's 10-year median is 107.51 vs. the industry median of 179.86, DexCom 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 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. DexCom's current Days Inventory of 136.66 is 24% 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 DexCom 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. DexCom's current Days Inventory is 136.66, which is 27% above median its own 10-year median of 107.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is DexCom stock overvalued right now?
Based on GuruFocus' analysis, DexCom (DXCM) is currently considered Significantly Undervalued. The stock's GF Value™ is $103.58, compared to a current price of $70.14 — trading 32.3% below its estimated fair value. The current Days Inventory is 136.66, which is 27% above median its 10-year median of 107.51 and 24% below the Medical Devices & Instruments industry median of 179.86. DexCom's overall GF Score™ is 90/100 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 DexCom (DXCM), the current Days Inventory is 136.66 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 DexCom (DXCM) Overvalued in 2026?

Based on GuruFocus' analysis, DexCom stock appears to be undervalued. The current stock price of $70.14 is trading 32.3% below its estimated GF Value™ of $103.58. GuruFocus considers DexCom to be Significantly Undervalued.

Key valuation signals for DXCM:

  • Days Inventory: 136.66 (27% above median its 10-year median of 107.51)
  • GF Value™: $103.58 vs. price of $70.14 (32.3% below fair value)
  • GF Score™: 90/100 with 3 warning signs
  • Industry Position: 24% below the Medical Devices & Instruments median (#210 of 786)

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


DexCom Business Description

Address 6340 Sequence Drive, San Diego, CA, USA, 92121
DexCom designs and commercializes continuous glucose monitoring systems for diabetic patients. CGM systems serve as an alternative to the traditional blood glucose meter process, and the company is evolving its CGM systems to provide integration with insulin pumps from Insulet and Tandem for automatic insulin delivery. DexCom's CGMs are available through medical equipment distributors as well as retail pharmacies.
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$70.14
Price
$103.58
GF Value