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Magna InternationalMGA -1.81%79 Shiller PE Ratio is 13.56 as of Sep. 14, 2026, which is 8% above its 10-year median of 12.59. GuruFocus rates MGA with a GF Score™ of 79/100 and a GF Value™ of $48.90 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 857 Vehicles & Parts companies, Magna International ranks better than 63.01% on this metric.
The historical rank and industry rank for Magna International's Shiller PE Ratio or its related term are showing as below:
MGA'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 6.43 Med: 12.59 Max: 22.14
Current: 13.22
During the past years, Magna International's highest Shiller PE Ratio was 22.14. The lowest was 6.43. And the median was 12.59.
MGA's Shiller PE Ratio is ranked better than 63.01% of 857
companies
in the Vehicles & Parts industry
Industry Median: 18.71
vs MGA: 13.22
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.
Magna International's adjusted earnings per share data for the three months ended in Jun. 2026 was $1.720. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $4.79 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Magna International (NYSE:MGA) 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.
Magna International Shiller PE Ratio Related Terms
Magna International Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Magna International's Shiller PE Ratio 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.
MGA vs ORLY, AZO, GPC: Shiller PE Ratio Comparison
For the Auto Parts subindustry, Magna International'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.
Magna International Shiller PE Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Magna International's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Magna International's Shiller PE Ratio falls into.
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.
Magna International (MGA) has a Shiller PE Ratio of 13.56 as of Sep. 14, 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 Magna International and its competitors. This is near median its historical median of 12.59. Over the past decade, Magna International's Shiller PE Ratio has ranged from 6.43 to 22.14. According to the industry distribution chart, Magna International ranks #317 out of 857 companies in the Vehicles & Parts industry, placing it in the top 37%.
Is Magna International's Shiller PE Ratio too high?
Magna International's current Shiller PE Ratio of 13.56 is near median its 10-year median of 12.59. Over the past 10 years, this metric has ranged from a low of 6.43 to a high of 22.14. The Vehicles & Parts industry median Shiller PE Ratio is 18.71. Magna International's value of 13.56 is 27.5% below this industry median. Based on the distribution chart, Magna International ranks #317 out of 857 companies in the Vehicles & Parts industry, which is above the industry midpoint. Overall, Magna International has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Magna International's Shiller PE Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Magna International ranks #317 out of 857 companies for Shiller PE Ratio. This puts Magna International in the upper half of its industry. The industry median Shiller PE Ratio is 18.71. Magna International's value of 13.56 is 27.5% below this benchmark. Historically, Magna International's own Shiller PE Ratio has ranged from 6.43 to 22.14 over the past decade. While the company's 10-year median is 12.59 vs. the industry median of 18.71, Magna International has consistently been below 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 18.71, based on 857 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. Magna International's current Shiller PE Ratio of 13.56 is 27.5% below 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 Magna International and its competitors. For the Vehicles & Parts industry, the median Shiller PE Ratio is 18.71 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Magna International's current Shiller PE Ratio is 13.56, which is near median its own 10-year median of 12.59. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Magna International stock overvalued right now?
Based on GuruFocus' analysis, Magna International (MGA) is currently considered Significantly Overvalued. The stock's GF Value™ is $48.90, compared to a current price of $64.93 — trading 32.8% above its estimated fair value. The current Shiller PE Ratio is 13.56, which is near median its 10-year median of 12.59 and 27.5% below the Vehicles & Parts industry median of 18.71. Magna International's overall GF Score™ is 79/100 with 8 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 Magna International (MGA), the current Shiller PE Ratio is 13.56 as of Sep. 14, 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 Magna International (MGA) Overvalued in 2026?
Based on GuruFocus' analysis, Magna International stock appears to be overvalued.
The current stock price of $64.93 is trading 32.8% above its estimated GF Value™ of $48.90.
GuruFocus considers Magna International to be Significantly Overvalued.
Key valuation signals for MGA:
Shiller PE Ratio: 13.56 (near median its 10-year median of 12.59)
GF Value™: $48.90 vs. price of $64.93 (32.8% above fair value)
Industry Position: 27.5% below the Vehicles & Parts median (#317 of 857)
No single metric tells the full story. See the MGA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Magna International prides itself on an entrepreneurial culture and a corporate constitution that outlines the distribution of profits to various stakeholders. This automotive supplier's product groups include exteriors, interiors, seating, roof systems, body and chassis, powertrain, vision and electronic systems, closure systems, electric vehicle systems, tooling and engineering, and contract vehicle assembly. In 2025, 48.6% of Magna's USD 42 billion of revenue came from North America, while Europe accounted for approximately 38% and Asia the remainder. The firm's top six customers constituted 75.9% of revenue, with the top three being GM, Mercedes, and Ford. GM was the largest contributor at 15.6%. Magna was founded in 1957, has about 144,000 employees, and is based in Aurora, Ontario.
79GF Score
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