TDS (Telephone and Data Systems) Days Inventory: 2.86 (As of Mar. 2026) — 88% Below Median


TDS Telephone and Data Systems Inc TDS
64 GF Score
Price $38.45
GF Value $32.81
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Telephone and Data Systems Days Inventory?

Telephone and Data Systems TDS +3.25% 64 Days Inventory is 2.86 as of Mar. 2026, which is 88% below its 10-year median of 24.71. GuruFocus rates TDS with a GF Score™ of 64/100 and a GF Value™ of $32.81 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 296 Telecommunication Services companies, Telephone and Data Systems ranks worse than 64.53% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Telephone and Data Systems's Average Total Inventories for the three months ended in Mar. 2026 was $4 Mil. Telephone and Data Systems's Cost of Goods Sold for the three months ended in Mar. 2026 was $124 Mil. Hence, Telephone and Data Systems's Days Inventory for the three months ended in Mar. 2026 was 2.86.

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

TDS' s Days Inventory Range Over the Past 10 Years
Min: 2.94   Med: 24.71   Max: 126.13
Current: 27.05

During the past 13 years, Telephone and Data Systems's highest Days Inventory was 126.13. The lowest was 2.94. And the median was 24.71.

TDS's Days Inventory is ranked worse than
64.53% of 296 companies
in the Telecommunication Services industry
Industry Median: 18.49 vs TDS: 27.05

Telephone and Data Systems's Days Inventory declined from Mar. 2025 (68.55) to Mar. 2026 (2.86).

Inventory Turnover measures how fast the company turns over its inventory within a year. Telephone and Data Systems's Inventory Turnover for the three months ended in Mar. 2026 was 31.89.

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. Telephone and Data Systems's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.01.


Telephone and Data Systems  (NYSE:TDS) 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.

Telephone and Data Systems'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.

Telephone and Data Systems'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.


Telephone and Data Systems Days Inventory Related Terms


Telephone and Data Systems Days Inventory Historical Data

* Premium members only.

The historical data trend for Telephone and Data Systems'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.

Telephone and Data Systems Days Inventory Chart

Telephone and Data Systems 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 24.51 31.73 126.13 65.56 2.94

Telephone and Data Systems 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 68.55 28.93 47.54 2.87 2.86

TDS vs LBRDA, IRDM, LBTYA: Days Inventory Comparison

For the Telecom Services subindustry, Telephone and Data Systems'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.


Telephone and Data Systems Days Inventory vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, Telephone and Data Systems's Days Inventory distribution charts can be found below:

* The bar in red indicates where Telephone and Data Systems's Days Inventory falls into.


TDS
64GF Score
Telephone and Data Systems Inc TDS
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Telephone and Data Systems Days Inventory Calculation

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

Telephone and Data Systems'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
=( (4.052 + 4.062) / 2 ) / 503.26*365
=4.057 / 503.26*365
=2.94

Telephone and Data Systems'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
=( (4.062 + 3.746) / 2 ) / 124.487*365 / 4
=3.904 / 124.487*365 / 4
=2.86

* 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 2.86 mean?
Telephone and Data Systems (TDS) has a Days Inventory of 2.86 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Telephone and Data Systems and its competitors. This is 88% below median its historical median of 24.71. Over the past decade, Telephone and Data Systems' Days Inventory has ranged from 2.94 to 126.13. According to the industry distribution chart, Telephone and Data Systems ranks #191 out of 296 companies in the Telecommunication Services industry, placing it in the top 64.5%.
Is Telephone and Data Systems' Days Inventory too high?
Telephone and Data Systems' current Days Inventory of 2.86 is 88% below median its 10-year median of 24.71. Over the past 10 years, this metric has ranged from a low of 2.94 to a high of 126.13. The Telecommunication Services industry median Days Inventory is 18.49. Telephone and Data Systems' value of 2.86 is 84.5% below this industry median. Based on the distribution chart, Telephone and Data Systems ranks #191 out of 296 companies in the Telecommunication Services industry, which is below the industry midpoint. Overall, Telephone and Data Systems has a GF Score™ of 64/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Telephone and Data Systems' Days Inventory compare to LBRDA and IRDM?
According to the Telecommunication Services industry distribution chart, Telephone and Data Systems ranks #191 out of 296 companies for Days Inventory. This places Telephone and Data Systems in the lower half of its industry. The industry median Days Inventory is 18.49. Telephone and Data Systems' value of 2.86 is 84.5% below this benchmark. Historically, Telephone and Data Systems' own Days Inventory has ranged from 2.94 to 126.13 over the past decade. While the company's 10-year median is 24.71 vs. the industry median of 18.49, Telephone and Data Systems 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 Telecommunication Services company?
The median Days Inventory among Telecommunication Services companies is 18.49, based on 296 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. Telephone and Data Systems's current Days Inventory of 2.86 is 84.5% 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 Telephone and Data Systems and its competitors. For the Telecommunication Services industry, the median Days Inventory is 18.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Telephone and Data Systems's current Days Inventory is 2.86, which is 88% below median its own 10-year median of 24.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Telephone and Data Systems stock overvalued right now?
Based on GuruFocus' analysis, Telephone and Data Systems (TDS) is currently considered Modestly Overvalued. The stock's GF Value™ is $32.81, compared to a current price of $38.45 — trading 17.2% above its estimated fair value. The current Days Inventory is 2.86, which is 88% below median its 10-year median of 24.71 and 84.5% below the Telecommunication Services industry median of 18.49. Telephone and Data Systems' overall GF Score™ is 64/100 with 5 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 Telephone and Data Systems (TDS), the current Days Inventory is 2.86 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 Telephone and Data Systems (TDS) Overvalued in 2026?

Based on GuruFocus' analysis, Telephone and Data Systems stock appears to be overvalued. The current stock price of $38.45 is trading 17.2% above its estimated GF Value™ of $32.81. GuruFocus considers Telephone and Data Systems to be Modestly Overvalued.

Key valuation signals for TDS:

  • Days Inventory: 2.86 (88% below median its 10-year median of 24.71)
  • GF Value™: $32.81 vs. price of $38.45 (17.2% above fair value)
  • GF Score™: 64/100 with 5 warning signs
  • Industry Position: 84.5% below the Telecommunication Services median (#191 of 296)

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


Telephone and Data Systems Business Description

Other Exchanges TDSpU.PFD:USA
Address 30 North LaSalle Street, Suite 4000, Chicago, IL, USA, 60602
Telephone and Data Systems Inc is a diversified telecommunications operator that provides communications services to customers through broadband, video, voice, and wireless connections. The company has two reportable segments: TDS Telecom and Array. The majority of its revenue is generated from the TDS Telecom segment, which generates revenue by providing broadband, video, voice, and wireless services. The Array segment generates its revenue mainly by leasing tower space on Array-owned towers to customers.
64GF Score

Get the complete analysis for TDS

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

$38.45
Price
$32.81
GF Value