REFR (Research Frontiers) Effective Interest Rate on Debt %: 0.00% (As of Jun. 2026)

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REFR Research Frontiers Inc REFR
28 GF Score
Price $0.44
GF Value $0.81
Valuation Possible Value Trap
! 5 Warning Signs
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What is Research Frontiers Effective Interest Rate on Debt %?

Research Frontiers REFR +0.96% 28 Effective Interest Rate on Debt % is 0.00% as of Jun. 2026. GuruFocus rates REFR with a GF Score™ of 28/100 and a GF Value™ of $0.81 (Possible Value Trap). The stock has 5 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. Research Frontiers's annualized positive value of Interest Expense for the quarter that ended in Jun. 2026 was $0.00 Mil. Research Frontiers's average total debt for the quarter that ended in Jun. 2026 was $1.11 Mil. Therefore, Research Frontiers's annualized Effective Interest Rate on Debt % for the quarter that ended in Jun. 2026 was 0.00%.


Research Frontiers  (NAS:REFR) Effective Interest Rate on Debt % Explanation

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


Research Frontiers Effective Interest Rate on Debt % Related Terms


Research Frontiers Effective Interest Rate on Debt % Historical Data

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The historical data trend for Research Frontiers'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.

Research Frontiers Effective Interest Rate on Debt % Chart

Research Frontiers Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Research Frontiers Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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

REFR vs WETH, NEON, MTEK: Effective Interest Rate on Debt % Comparison

For the Electronic Components subindustry, Research Frontiers'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.


Research Frontiers Effective Interest Rate on Debt % vs Hardware Industry

For the Hardware industry and Technology sector, Research Frontiers's Effective Interest Rate on Debt % distribution charts can be found below:

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


REFR
28GF Score
Research Frontiers Inc REFR
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Research Frontiers Effective Interest Rate on Debt % Calculation

Research Frontiers'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  *  0/( (1.296+1.166)/ 2 )
=-1  *  0/1.231
=0.00 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=1.166 + 0.13
=1.296

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=1.02 + 0.146
=1.166

Research Frontiers's annualized Effective Interest Rate on Debt % for the quarter that ended in Jun. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Mar. 2026 )+Total Debt  (Q: Jun. 2026 ))/ count )
=-1  *  0/( (1.13+1.095)/ 2 )
=-1  *  0/1.1125
=0.00 %

where

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.981 + 0.149
=1.13

Total Debt  (Q: Jun. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=0.942 + 0.153
=1.095

* 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 (Jun. 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?
Research Frontiers (REFR) has a Effective Interest Rate on Debt % of 0.00% as of Jun. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Research Frontiers and its competitors.
Is Research Frontiers' Effective Interest Rate on Debt % too high?
Research Frontiers' current Effective Interest Rate on Debt % is 0.00%. Overall, Research Frontiers has a GF Score™ of 28/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Research Frontiers' Effective Interest Rate on Debt % compare to WETH and NEON?
Research Frontiers' Effective Interest Rate on Debt % of 0.00% can be compared against companies in the Hardware 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 Hardware company?
A good Effective Interest Rate on Debt % depends on the Hardware 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 Research Frontiers and its competitors. Research Frontiers'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 Research Frontiers stock overvalued right now?
Based on GuruFocus' analysis, Research Frontiers (REFR) is currently considered Possible Value Trap. The stock's GF Value™ is $0.81, compared to a current price of $0.44 — trading 45.7% below its estimated fair value. The current Effective Interest Rate on Debt % is 0.00%. Research Frontiers' overall GF Score™ is 28/100 with 5 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 Research Frontiers (REFR), the current Effective Interest Rate on Debt % is 0.00% as of Jun. 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 Research Frontiers (REFR) Overvalued in 2026?

Based on GuruFocus' analysis, Research Frontiers stock appears to be undervalued. The current stock price of $0.44 is trading 45.7% below its estimated GF Value™ of $0.81. GuruFocus considers Research Frontiers to be Possible Value Trap.

Key valuation signals for REFR:

  • Effective Interest Rate on Debt %: 0.00%
  • GF Value™: $0.81 vs. price of $0.44 (45.7% below fair value)
  • GF Score™: 28/100 with 5 warning signs

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


Research Frontiers Business Description

Address 240 Crossways Park Drive, Woodbury, NY, USA, 11797-2033
Research Frontiers Inc is engaged in the development and marketing of technology and devices to control the flow of light. The company develops and licenses its patented suspended particle device light-control technology to other companies that manufacture and market the SPD-Smart chemical emulsion, the light-control film made from the chemical emulsion, the light-control panels made by laminating the film, electronics to power end-products incorporating the film, or lamination services for, and the end-products. The company's revenue source comes from the licensing of technology.
28GF 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.

$0.44
Price
$0.81
GF Value