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TAT TechnologiesTATT +1.75%68 Shiller PE Ratio is 139.25 as of Sep. 14, 2026, which is 54% below its 10-year median of 303.17. GuruFocus rates TATT with a GF Score™ of 68/100 and a GF Value™ of $33.92 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 162 Aerospace & Defense companies, TAT Technologies ranks worse than 86.42% on this metric.
As of today (2026-09-14), TAT Technologies's current share price is $38.99. TAT Technologies's E10 for the quarter that ended in Jun. 2026 was $0.28. TAT Technologies's Shiller PE Ratio for today is 139.25.
The historical rank and industry rank for TAT Technologies's Shiller PE Ratio or its related term are showing as below:
TATT'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 20.22 Med: 303.17 Max: 2177
Current: 144.41
During the past years, TAT Technologies's highest Shiller PE Ratio was 2177.00. The lowest was 20.22. And the median was 303.17.
TATT's Shiller PE Ratio is ranked worse than 86.42% of 162
companies
in the Aerospace & Defense industry
Industry Median: 57.125
vs TATT: 144.41
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.
TAT Technologies's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.610. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.28 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
TAT Technologies (NAS:TATT) 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.
TAT Technologies Shiller PE Ratio Related Terms
TAT Technologies Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for TAT Technologies'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.
TATT vs SPCX, GE, RTX: Shiller PE Ratio Comparison
For the Aerospace & Defense subindustry, TAT Technologies'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.
TAT Technologies Shiller PE Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, TAT Technologies's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where TAT Technologies'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.
TAT Technologies's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, TAT Technologies's adjusted earnings per share data for the three months ended in Jun. 2026 was:
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.
TAT Technologies (TATT) has a Shiller PE Ratio of 139.25 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 TAT Technologies and its competitors. This is 54% below median its historical median of 303.17. Over the past decade, TAT Technologies' Shiller PE Ratio has ranged from 20.22 to 2,177.00. According to the industry distribution chart, TAT Technologies ranks #140 out of 162 companies in the Aerospace & Defense industry, placing it in the top 86.4%.
Is TAT Technologies' Shiller PE Ratio too high?
TAT Technologies' current Shiller PE Ratio of 139.25 is 54% below median its 10-year median of 303.17. Over the past 10 years, this metric has ranged from a low of 20.22 to a high of 2,177.00. The Aerospace & Defense industry median Shiller PE Ratio is 57.13. TAT Technologies' value of 139.25 is 143.8% above this industry median. Based on the distribution chart, TAT Technologies ranks #140 out of 162 companies in the Aerospace & Defense industry, which is in the bottom quartile relative to peers. Overall, TAT Technologies has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TAT Technologies' Shiller PE Ratio compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, TAT Technologies ranks #140 out of 162 companies for Shiller PE Ratio. This places TAT Technologies in the lower half of its industry. The industry median Shiller PE Ratio is 57.13. TAT Technologies' value of 139.25 is 143.8% above this benchmark. Historically, TAT Technologies' own Shiller PE Ratio has ranged from 20.22 to 2,177.00 over the past decade. While the company's 10-year median is 303.17 vs. the industry median of 57.13, TAT Technologies 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 an Aerospace & Defense company?
The median Shiller PE Ratio among Aerospace & Defense companies is 57.13, based on 162 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. TAT Technologies's current Shiller PE Ratio of 139.25 is 143.8% 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 TAT Technologies and its competitors. For the Aerospace & Defense industry, the median Shiller PE Ratio is 57.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TAT Technologies's current Shiller PE Ratio is 139.25, which is 54% below median its own 10-year median of 303.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TAT Technologies stock overvalued right now?
Based on GuruFocus' analysis, TAT Technologies (TATT) is currently considered Modestly Overvalued. The stock's GF Value™ is $33.92, compared to a current price of $38.99 — trading 14.9% above its estimated fair value. The current Shiller PE Ratio is 139.25, which is 54% below median its 10-year median of 303.17 and 143.8% above the Aerospace & Defense industry median of 57.13. TAT Technologies' 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 Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For TAT Technologies (TATT), the current Shiller PE Ratio is 139.25 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 TAT Technologies (TATT) Overvalued in 2026?
Based on GuruFocus' analysis, TAT Technologies stock appears to be overvalued.
The current stock price of $38.99 is trading 14.9% above its estimated GF Value™ of $33.92.
GuruFocus considers TAT Technologies to be Modestly Overvalued.
Key valuation signals for TATT:
Shiller PE Ratio: 139.25 (54% below median its 10-year median of 303.17)
GF Value™: $33.92 vs. price of $38.99 (14.9% above fair value)
Industry Position: 143.8% above the Aerospace & Defense median (#140 of 162)
No single metric tells the full story. See the TATT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
TAT Technologies Ltd provides solutions and services to the commercial and military aerospace and ground defense industries, focused mainly on three product areas and services: Thermal Management, Power and Actuation, and Maintenance, Repair and Overhaul (MRO). Its product portfolio includes heat exchangers, cooling systems, and mechanical aircraft accessories and systems such as pumps, valves, and turbine power units. Its operating segments are MRO services for aviation components, which derive key revenue, Original equipment manufacturing (OEM) of heat transfer solutions and aviation accessories, MRO services for heat transfer components and OEM of heat transfer solutions, and Overhaul and coating of jet engine components. Geographically, it derives key revenue from the United States.
68GF Score
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