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. MP Materials's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was $39.4 Mil. MP Materials's average total debt for the quarter that ended in Mar. 2026 was $1,003.8 Mil. Therefore, MP Materials's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 3.92%.
MP Materials (NYSE:MP) Effective Interest Rate on Debt % Explanation
Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.
MP Materials Effective Interest Rate on Debt % Related Terms
MP Materials Effective Interest Rate on Debt % Historical Data
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The historical data trend for MP Materials'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.
MP Materials Effective Interest Rate on Debt % Chart
MP vs MTRN, USAR, EMAT: Effective Interest Rate on Debt % Comparison
For the Other Industrial Metals & Mining subindustry, MP Materials'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.
MP Materials Effective Interest Rate on Debt % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, MP Materials's Effective Interest Rate on Debt % distribution charts can be found below:
* The bar in red indicates where MP Materials's Effective Interest Rate on Debt % falls into.
* 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 3.92% mean?
MP Materials (MP) has a Effective Interest Rate on Debt % of 3.92% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on MP Materials and its competitors.
Is MP Materials' Effective Interest Rate on Debt % too high?
MP Materials' current Effective Interest Rate on Debt % is 3.92%. Overall, MP Materials has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does MP Materials' Effective Interest Rate on Debt % compare to MTRN and USAR?
MP Materials' Effective Interest Rate on Debt % of 3.92% can be compared against companies in the Metals & Mining 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 Metals & Mining company?
A good Effective Interest Rate on Debt % depends on the Metals & Mining 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 MP Materials and its competitors. MP Materials's current Effective Interest Rate on Debt % is 3.92%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MP Materials stock overvalued right now?
Based on GuruFocus' analysis, MP Materials (MP) is currently considered Significantly Overvalued. The stock's GF Value™ is $32.16, compared to a current price of $54.74 — trading 70.2% above its estimated fair value. The current Effective Interest Rate on Debt % is 3.92%. MP Materials' overall GF Score™ is 68/100 with 2 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 MP Materials (MP), the current Effective Interest Rate on Debt % is 3.92% 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 MP Materials (MP) Overvalued in 2026?
Based on GuruFocus' analysis, MP Materials stock appears to be overvalued.
The current stock price of $54.74 is trading 70.2% above its estimated GF Value™ of $32.16.
GuruFocus considers MP Materials to be Significantly Overvalued.
Key valuation signals for MP:
Effective Interest Rate on Debt %: 3.92%
GF Value™: $32.16 vs. price of $54.74 (70.2% above fair value)
No single metric tells the full story. See the MP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
MP Materials Corp is the producer of rare earth materials in the Western Hemisphere. The company owns and operates the Mountain Pass Rare Earth Mine and Processing Facility, the only rare earth mining and processing site of scale in North America. The company is also developing a rare earth metal, alloy, and magnet manufacturing facility in Fort Worth, Texas. The company's operations are organized into two reportable segments: Materials and Magnetics.
68GF Score
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