AMSC (American Superconductor) Effective Interest Rate on Debt %: 0.00% (As of Mar. 2026)


AMSC American Superconductor Corp AMSC
78 GF Score
Price $39.73
GF Value $30.88
Valuation Modestly Overvalued
! 7 Warning Signs
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What is American Superconductor Effective Interest Rate on Debt %?

American Superconductor AMSC -1.37% 78 Effective Interest Rate on Debt % is 0.00% as of Mar. 2026. GuruFocus rates AMSC with a GF Score™ of 78/100 and a GF Value™ of $30.88 (Modestly Overvalued). The stock has 7 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. American Superconductor's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was $0.0 Mil. American Superconductor's average total debt for the quarter that ended in Mar. 2026 was $7.7 Mil. Therefore, American Superconductor's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 0.00%.


American Superconductor  (NAS:AMSC) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


American Superconductor Effective Interest Rate on Debt % Related Terms


American Superconductor Effective Interest Rate on Debt % Historical Data

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The historical data trend for American Superconductor's Effective Interest Rate on Debt % 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.

American Superconductor Effective Interest Rate on Debt % Chart

American Superconductor Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Effective Interest Rate on Debt %
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American Superconductor Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Effective Interest Rate on Debt % 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 0.00 0.00 0.00 0.00 0.00

AMSC vs CXT, HLIO, BW: Effective Interest Rate on Debt % Comparison

For the Specialty Industrial Machinery subindustry, American Superconductor's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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.


American Superconductor Effective Interest Rate on Debt % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, American Superconductor's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where American Superconductor's Effective Interest Rate on Debt % falls into.


AMSC
78GF Score
American Superconductor Corp AMSC
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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American Superconductor Effective Interest Rate on Debt % Calculation

American Superconductor's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Mar. 2025 )+Total Debt  (A: Mar. 2026 ))/ count )
=-1  *  0/( (3.369+4)/ 2 )
=-1  *  0/3.6845
=0.00 %

where

Total Debt  (A: Mar. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=2.684 + 0.685
=3.369

American Superconductor's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Dec. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  0/( (11.383+4)/ 2 )
=-1  *  0/7.6915
=0.00 %

where

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=8.684 + 2.699
=11.383

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is four times the quarterly (Mar. 2026) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 0.00% mean?
American Superconductor (AMSC) has a Effective Interest Rate on Debt % of 0.00% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on American Superconductor and its competitors.
Is American Superconductor's Effective Interest Rate on Debt % too high?
American Superconductor's current Effective Interest Rate on Debt % is 0.00%. Overall, American Superconductor has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does American Superconductor's Effective Interest Rate on Debt % compare to CXT and HLIO?
American Superconductor's Effective Interest Rate on Debt % of 0.00% can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Effective Interest Rate on Debt % for an Industrial Products company?
A good Effective Interest Rate on Debt % depends on the Industrial Products industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on American Superconductor and its competitors. American Superconductor's current Effective Interest Rate on Debt % is 0.00%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is American Superconductor stock overvalued right now?
Based on GuruFocus' analysis, American Superconductor (AMSC) is currently considered Modestly Overvalued. The stock's GF Value™ is $30.88, compared to a current price of $39.73 — trading 28.7% above its estimated fair value. The current Effective Interest Rate on Debt % is 0.00%. American Superconductor's overall GF Score™ is 78/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For American Superconductor (AMSC), the current Effective Interest Rate on Debt % is 0.00% 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 American Superconductor (AMSC) Overvalued in 2026?

Based on GuruFocus' analysis, American Superconductor stock appears to be overvalued. The current stock price of $39.73 is trading 28.7% above its estimated GF Value™ of $30.88. GuruFocus considers American Superconductor to be Modestly Overvalued.

Key valuation signals for AMSC:

  • Effective Interest Rate on Debt %: 0.00%
  • GF Value™: $30.88 vs. price of $39.73 (28.7% above fair value)
  • GF Score™: 78/100 with 7 warning signs

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


American Superconductor Business Description

Address 114 East Main Street, Ayer, MA, USA, 01432
American Superconductor Corp generates the ideas, technologies, and solutions that meet the world's demand for smarter, cleaner, and energy. Through its Windtec Solutions, the company enables manufacturers to launch wind turbines quickly, effectively, and profitably. Through its Gridtec Solutions, the company provides engineering planning services and grid systems that optimize network reliability, efficiency, and performance. The company's segment includes Grid and Wind. It generates maximum revenue from the Grid segment.
78GF Score

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Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$39.73
Price
$30.88
GF Value