IST (NSE:ISTLTD) Effective Interest Rate on Debt %: 66.92% (As of Mar. 2026)

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NSE:ISTLTD IST Ltd NSE:ISTLTD
61 GF Score
Price ₹667.10
GF Value ₹954.24
Valuation Significantly Undervalued
! 3 Warning Signs
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What is IST Effective Interest Rate on Debt %?

IST NSE:ISTLTD +4.71% 61 Effective Interest Rate on Debt % is 66.92% as of Mar. 2026. GuruFocus rates NSE:ISTLTD with a GF Score™ of 61/100 and a GF Value™ of ₹954.24 (Significantly Undervalued). The stock has 3 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. IST's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was ₹29 Mil. IST's average total debt for the quarter that ended in Mar. 2026 was ₹44 Mil. Therefore, IST's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 66.92%.


IST  (NSE:ISTLTD) Effective Interest Rate on Debt % Explanation

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


IST Effective Interest Rate on Debt % Related Terms


IST Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for IST'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.

IST Effective Interest Rate on Debt % Chart

IST Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 56.86 25.11 31.33 117.24 57.41

IST 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 89.27 48.68 59.84 57.98 66.92

NSE:ISTLTD vs : Effective Interest Rate on Debt % Comparison

For the Auto Parts subindustry, IST'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.


IST Effective Interest Rate on Debt % vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, IST's Effective Interest Rate on Debt % distribution charts can be found below:

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


NSE:ISTLTD
61GF Score
IST Ltd NSE:ISTLTD
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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IST Effective Interest Rate on Debt % Calculation

IST'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  *  -29.719/( (59.627+43.9)/ 2 )
=-1  *  -29.719/51.7635
=57.41 %

where

Total Debt  (A: Mar. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=42.789 + 16.838
=59.627

Total Debt  (A: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=25.002 + 18.898
=43.9

IST'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  *  -29.38/( (0+43.9)/ 1 )
=-1  *  -29.38/43.9
=66.92 %

where

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=25.002 + 18.898
=43.9

* 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 66.92% mean?
IST (NSE:ISTLTD) has a Effective Interest Rate on Debt % of 66.92% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on IST and its competitors.
Is IST's Effective Interest Rate on Debt % too high?
IST's current Effective Interest Rate on Debt % is 66.92%. Overall, IST has a GF Score™ of 61/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does IST's Effective Interest Rate on Debt % compare to ?
IST's Effective Interest Rate on Debt % of 66.92% can be compared against companies in the Vehicles & Parts 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 a Vehicles & Parts company?
A good Effective Interest Rate on Debt % depends on the Vehicles & Parts 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 IST and its competitors. IST's current Effective Interest Rate on Debt % is 66.92%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is IST stock overvalued right now?
Based on GuruFocus' analysis, IST (NSE:ISTLTD) is currently considered Significantly Undervalued. The stock's GF Value™ is ₹954.24, compared to a current price of ₹667.10 — trading 30.1% below its estimated fair value. The current Effective Interest Rate on Debt % is 66.92%. IST's overall GF Score™ is 61/100 with 3 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 IST (NSE:ISTLTD), the current Effective Interest Rate on Debt % is 66.92% 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 IST (NSE:ISTLTD) Overvalued in 2026?

Based on GuruFocus' analysis, IST stock appears to be undervalued. The current stock price of ₹667.10 is trading 30.1% below its estimated GF Value™ of ₹954.24. GuruFocus considers IST to be Significantly Undervalued.

Key valuation signals for NSE:ISTLTD:

  • Effective Interest Rate on Debt %: 66.92%
  • GF Value™: ₹954.24 vs. price of ₹667.10 (30.1% below fair value)
  • GF Score™: 61/100 with 3 warning signs

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


IST Business Description

Comparable Companies
Other Exchanges 508807:India
Address A-23, New Office Complex, Defence Colony, New Delhi, IND, 110024
IST Ltd manufactures high-precision auto components. The company's business segments are based on its principal activities in precision engineering components and assemblies, SEZ development, and trading. Its products include Piston Cooling Nozzles Assembly, Throttle Shaft and Throttle Valve, Carburetor and Automotive Assembly Components, CNG Kit Components, and Tractor and Automotive Assembly Components. The company produces precision turned, milled, and drilled components, as well as stampings for various industries. IST Ltd operates both in India and internationally, with the majority of its revenue generated from the Indian market.
61GF Score

Get the complete analysis for NSE:ISTLTD

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

₹667.10
Price
₹954.24
GF Value