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Motorcar Parts of AmericaMPAA +1.90%74 Shiller PE Ratio is 1,177.00 as of Sep. 03, 2026, which is 1434% above its 10-year median of 76.73. GuruFocus rates MPAA with a GF Score™ of 74/100 and a GF Value™ of $10.38 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 851 Vehicles & Parts companies, Motorcar Parts of America ranks worse than 99.76% on this metric.
The historical rank and industry rank for Motorcar Parts of America's Shiller PE Ratio or its related term are showing as below:
MPAA'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 2.99 Med: 76.73 Max: 1467
Current: 1177
During the past years, Motorcar Parts of America's highest Shiller PE Ratio was 1467.00. The lowest was 2.99. And the median was 76.73.
MPAA's Shiller PE Ratio is ranked worse than 99.76% of 851
companies
in the Vehicles & Parts industry
Industry Median: 19.54
vs MPAA: 1177.00
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Motorcar Parts of America's adjusted earnings per share data for the three months ended in Jun. 2026 was $-0.710. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.01 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Motorcar Parts of America (NAS:MPAA) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Motorcar Parts of America Shiller PE Ratio Related Terms
Motorcar Parts of America Shiller PE Ratio Historical Data
* 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.
MPAA vs SRI, SES, MVST: Shiller PE Ratio Comparison
For the Auto Parts subindustry, Motorcar Parts of America's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio 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.
Motorcar Parts of America Shiller PE Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Motorcar Parts of America's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Motorcar Parts of America's Shiller PE Ratio falls into.
Motorcar Parts of America Shiller PE Ratio Calculation
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
Motorcar Parts of America (MPAA) has a Shiller PE Ratio of 1,177.00 as of Sep. 03, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Motorcar Parts of America and its competitors. This is 1434% above median its historical median of 76.73. Over the past decade, Motorcar Parts of America's Shiller PE Ratio has ranged from 2.99 to 1,467.00. According to the industry distribution chart, Motorcar Parts of America ranks #849 out of 851 companies in the Vehicles & Parts industry, placing it in the top 99.8%.
Is Motorcar Parts of America's Shiller PE Ratio too high?
Motorcar Parts of America's current Shiller PE Ratio of 1,177.00 is 1434% above median its 10-year median of 76.73. Over the past 10 years, this metric has ranged from a low of 2.99 to a high of 1,467.00. The Vehicles & Parts industry median Shiller PE Ratio is 19.54. Motorcar Parts of America's value of 1,177.00 is 5923.5% above this industry median. Based on the distribution chart, Motorcar Parts of America ranks #849 out of 851 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Motorcar Parts of America has a GF Score™ of 74/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Motorcar Parts of America's Shiller PE Ratio compare to SRI and SES?
According to the Vehicles & Parts industry distribution chart, Motorcar Parts of America ranks #849 out of 851 companies for Shiller PE Ratio. This places Motorcar Parts of America in the lower half of its industry. The industry median Shiller PE Ratio is 19.54. Motorcar Parts of America's value of 1,177.00 is 5923.5% above this benchmark. Historically, Motorcar Parts of America's own Shiller PE Ratio has ranged from 2.99 to 1,467.00 over the past decade. While the company's 10-year median is 76.73 vs. the industry median of 19.54, Motorcar Parts of America has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shiller PE Ratio for a Vehicles & Parts company?
The median Shiller PE Ratio among Vehicles & Parts companies is 19.54, based on 851 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Motorcar Parts of America's current Shiller PE Ratio of 1,177.00 is 5923.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Motorcar Parts of America and its competitors. For the Vehicles & Parts industry, the median Shiller PE Ratio is 19.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Motorcar Parts of America's current Shiller PE Ratio is 1,177.00, which is 1434% above median its own 10-year median of 76.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Motorcar Parts of America stock overvalued right now?
Based on GuruFocus' analysis, Motorcar Parts of America (MPAA) is currently considered Modestly Overvalued. The stock's GF Value™ is $10.38, compared to a current price of $11.77 — trading 13.4% above its estimated fair value. The current Shiller PE Ratio is 1,177.00, which is 1434% above median its 10-year median of 76.73 and 5923.5% above the Vehicles & Parts industry median of 19.54. Motorcar Parts of America's overall GF Score™ is 74/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Motorcar Parts of America (MPAA), the current Shiller PE Ratio is 1,177.00 as of Sep. 03, 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 Motorcar Parts of America (MPAA) Overvalued in 2026?
Based on GuruFocus' analysis, Motorcar Parts of America stock appears to be overvalued.
The current stock price of $11.77 is trading 13.4% above its estimated GF Value™ of $10.38.
GuruFocus considers Motorcar Parts of America to be Modestly Overvalued.
Key valuation signals for MPAA:
Shiller PE Ratio: 1,177.00 (1434% above median its 10-year median of 76.73)
GF Value™: $10.38 vs. price of $11.77 (13.4% above fair value)
Industry Position: 5923.5% above the Vehicles & Parts median (#849 of 851)
No single metric tells the full story. See the MPAA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Motorcar Parts of America Inc is a supplier of automotive aftermarket non-discretionary replacement parts, test solutions, and diagnostic equipment. Its replacement parts are mainly sold to automotive retail chain stores, warehouse distributors across North America, and automobile manufacturers for aftermarket and warranty replacement programs. The Company's test solutions and diagnostic equipment serve the automotive component and powertrain testing market. Its product portfolio includes rotating electrical products such as alternators and starters; brake-related products including brake calipers, brake rotors, brake pads, brake master cylinders, and wheel hub assemblies and bearings; and other products. Its segments are Hard Parts, Test Solutions and Diagnostic Equipment, and Heavy Duty.
74GF Score
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