Lumen Technologies (STU:CYTH) Interest Expense: €-999 Mil (TTM As of Mar. 2026)

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STU:CYTH Lumen Technologies Inc STU:CYTH
56 GF Score
Price €5.63
GF Value €3.36
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Lumen Technologies Interest Expense?

Lumen Technologies STU:CYTH -4.09% 56 Interest Expense is €-999 Mil as of Mar. 2026. GuruFocus rates STU:CYTH with a GF Score™ of 56/100 and a GF Value™ of €3.36 (Significantly Overvalued). The stock has 5 warning signs investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. Lumen Technologies's interest expense for the three months ended in Mar. 2026 was € -195 Mil. Its interest expense for the trailing twelve months (TTM) ended in Mar. 2026 was €-999 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. Lumen Technologies's Operating Income for the three months ended in Mar. 2026 was € 5 Mil. Lumen Technologies's Interest Expense for the three months ended in Mar. 2026 was € -195 Mil. Lumen Technologies's Interest Coverage for the quarter that ended in Mar. 2026 was 0.03. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Lumen Technologies  (STU:CYTH) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Lumen Technologies's Interest Expense for the three months ended in Mar. 2026 was €-195 Mil. Its Operating Income for the three months ended in Mar. 2026 was €5 Mil. And its Long-Term Debt & Capital Lease Obligation for the three months ended in Mar. 2026 was €11,180 Mil.

Lumen Technologies's Interest Coverage for the quarter that ended in Mar. 2026 is calculated as

Interest Coverage=-1* Operating Income (Q: Mar. 2026 )/Interest Expense (Q: Mar. 2026 )
=-1*5.19/-194.625
=0.03

* 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 higher the ratio, the stronger the company's financial strength is.

Lumen Technologies Interest Expense Historical Data

* Premium members only.

The historical data trend for Lumen Technologies's Interest Expense 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.

Lumen Technologies Interest Expense Chart

Lumen Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1,346.97 -1,257.41 -1,061.89 -1,310.26 -1,096.54

Lumen Technologies Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Interest Expense 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 -320.98 -293.05 -271.79 -239.12 -194.63
STU:CYTH
56GF Score
Lumen Technologies Inc STU:CYTH
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
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Lumen Technologies Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest Expense for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €-999 Mil.

* 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 Interest Expense →
What does a Interest Expense of €-999 Mil mean?
Lumen Technologies (STU:CYTH) has a Interest Expense of €-999 Mil as of Mar. 2026. Interest Expense is the amount a company pays on its long-term debt. View historical data on Lumen Technologies and its competitors.
Is Lumen Technologies' Interest Expense too high?
Lumen Technologies' current Interest Expense is €-999 Mil. Overall, Lumen Technologies has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lumen Technologies' Interest Expense compare to GSAT and IRDM?
Lumen Technologies' Interest Expense of €-999 Mil can be compared against companies in the Telecommunication Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Expense for a Telecommunication Services company?
A good Interest Expense depends on the Telecommunication Services industry context. However, Interest Expense should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on Lumen Technologies and its competitors. Lumen Technologies's current Interest Expense is €-999 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lumen Technologies stock overvalued right now?
Based on GuruFocus' analysis, Lumen Technologies (STU:CYTH) is currently considered Significantly Overvalued. The stock's GF Value™ is €3.36, compared to a current price of €5.63 — trading 67.6% above its estimated fair value. The current Interest Expense is €-999 Mil. Lumen Technologies' overall GF Score™ is 56/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For Lumen Technologies (STU:CYTH), the current Interest Expense is €-999 Mil 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 Lumen Technologies (STU:CYTH) Overvalued in 2026?

Based on GuruFocus' analysis, Lumen Technologies stock appears to be overvalued. The current stock price of €5.63 is trading 67.6% above its estimated GF Value™ of €3.36. GuruFocus considers Lumen Technologies to be Significantly Overvalued.

Key valuation signals for STU:CYTH:

  • Interest Expense: €-999 Mil
  • GF Value™: €3.36 vs. price of €5.63 (67.6% above fair value)
  • GF Score™: 56/100 with 5 warning signs

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

Lumen Technologies Business Description

Address 100 CenturyLink Drive, Monroe, LA, USA, 71203
Lumen Technologies is one of the largest telecommunications carriers serving global enterprises. The merger with Level 3 in 2017, the 2022 divestiture of much of its local phone business in rural areas, and the 2026 sale of its remaining consumer fiber network to AT&T have shifted the company's operations away from the legacy consumer business and toward enterprise services, which account for about 85%-90% of revenue. Lumen offers businesses a full suite of communications services, providing colocation and data center services, data transportation, phone service, and internet access.
56GF Score

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

€5.63
Price
€3.36
GF Value