Mister Spex SE (FRA:MRX) Effective Interest Rate on Debt %: 5.31% (As of Mar. 2026)

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FRA:MRX Mister Spex SE FRA:MRX
51 GF Score
Price €1.16
GF Value €3.70
Valuation Possible Value Trap
! 4 Warning Signs
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What is Mister Spex SE Effective Interest Rate on Debt %?

Mister Spex SE FRA:MRX -8.30% 51 Effective Interest Rate on Debt % is 5.31% as of Mar. 2026. GuruFocus rates FRA:MRX with a GF Score™ of 51/100 and a GF Value™ of €3.70 (Possible Value Trap). The stock has 4 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. Mister Spex SE's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was €3.2 Mil. Mister Spex SE's average total debt for the quarter that ended in Mar. 2026 was €59.6 Mil. Therefore, Mister Spex SE's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 5.31%.


Mister Spex SE  (FRA:MRX) Effective Interest Rate on Debt % Explanation

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


Mister Spex SE Effective Interest Rate on Debt % Related Terms


Mister Spex SE Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Mister Spex SE'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.

Mister Spex SE Effective Interest Rate on Debt % Chart

Mister Spex SE Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only 7.85 5.22 4.93 4.63 4.77

Mister Spex SE 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 6.06 3.38 5.00 3.07 5.31

FRA:MRX vs CASY, WSM, ULTA: Effective Interest Rate on Debt % Comparison

For the Specialty Retail subindustry, Mister Spex SE'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.


Mister Spex SE Effective Interest Rate on Debt % vs Retail - Cyclical Industry

For the Retail - Cyclical industry and Consumer Cyclical sector, Mister Spex SE's Effective Interest Rate on Debt % distribution charts can be found below:

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


FRA:MRX
51GF Score
Mister Spex SE FRA:MRX
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Mister Spex SE Effective Interest Rate on Debt % Calculation

Mister Spex SE's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Dec. 2024 )+Total Debt  (A: Dec. 2025 ))/ count )
=-1  *  -3.019/( (66.351+60.107)/ 2 )
=-1  *  -3.019/63.229
=4.77 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=53.548 + 12.803
=66.351

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=47.097 + 13.01
=60.107

Mister Spex SE'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  *  -3.164/( (60.107+59.047)/ 2 )
=-1  *  -3.164/59.577
=5.31 %

where

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=47.097 + 13.01
=60.107

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=45.968 + 13.079
=59.047

* 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 5.31% mean?
Mister Spex SE (FRA:MRX) has a Effective Interest Rate on Debt % of 5.31% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Mister Spex SE and its competitors.
Is Mister Spex SE's Effective Interest Rate on Debt % too high?
Mister Spex SE's current Effective Interest Rate on Debt % is 5.31%. Overall, Mister Spex SE has a GF Score™ of 51/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Mister Spex SE's Effective Interest Rate on Debt % compare to CASY and WSM?
Mister Spex SE's Effective Interest Rate on Debt % of 5.31% can be compared against companies in the Retail - Cyclical 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 Retail - Cyclical company?
A good Effective Interest Rate on Debt % depends on the Retail - Cyclical 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 Mister Spex SE and its competitors. Mister Spex SE's current Effective Interest Rate on Debt % is 5.31%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mister Spex SE stock overvalued right now?
Based on GuruFocus' analysis, Mister Spex SE (FRA:MRX) is currently considered Possible Value Trap. The stock's GF Value™ is €3.70, compared to a current price of €1.16 — trading 68.6% below its estimated fair value. The current Effective Interest Rate on Debt % is 5.31%. Mister Spex SE's overall GF Score™ is 51/100 with 4 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 Mister Spex SE (FRA:MRX), the current Effective Interest Rate on Debt % is 5.31% 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 Mister Spex SE (FRA:MRX) Overvalued in 2026?

Based on GuruFocus' analysis, Mister Spex SE stock appears to be undervalued. The current stock price of €1.16 is trading 68.6% below its estimated GF Value™ of €3.70. GuruFocus considers Mister Spex SE to be Possible Value Trap.

Key valuation signals for FRA:MRX:

  • Effective Interest Rate on Debt %: 5.31%
  • GF Value™: €3.70 vs. price of €1.16 (68.6% below fair value)
  • GF Score™: 51/100 with 4 warning signs

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


Mister Spex SE Business Description

Other Exchanges 0A9V:UKMRX:Germany
Address Hermann-Blankenstein-Strasse 24, Berlin, DEU, 10249
Mister Spex SE is a retail brand in the eyewear market in Europe engaged in the business of online opticians. The company offers products and additional services such as eye examinations for glasses and new adaptations, and annual checks of contact lenses. It has a regional segment, which is German and international, and the majority of the revenue comes from Germany. The products of the company are Sunglasses, Prescription Sunglasses, and Contact Lenses.
51GF Score

Get the complete analysis for FRA:MRX

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

€1.16
Price
€3.70
GF Value