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Tachi-S CoTCISF 76 Shiller PE Ratio is 21.61 as of Sep. 07, 2026, which is 10% below its 10-year median of 24.04. GuruFocus rates TCISF with a GF Score™ of 76/100 and a GF Value™ of $11.38. The stock has 6 warning signs investors should review. Among 848 Vehicles & Parts companies, Tachi-S Co ranks worse than 61.2% on this metric.
As of today (2026-09-07), Tachi-S Co's current share price is $15.34. Tachi-S Co's E10 for the quarter that ended in Mar. 2026 was $0.71. Tachi-S Co's Shiller PE Ratio for today is 21.61.
The historical rank and industry rank for Tachi-S Co's Shiller PE Ratio or its related term are showing as below:
TCISF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 6.79 Med: 24.04 Max: 103.28
Current: 25.21
During the past years, Tachi-S Co's highest Shiller PE Ratio was 103.28. The lowest was 6.79. And the median was 24.04.
TCISF's Shiller PE Ratio is ranked worse than 61.2% of 848
companies
in the Vehicles & Parts industry
Industry Median: 19.46
vs TCISF: 25.21
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.
Tachi-S Co's adjusted earnings per share data for the three months ended in Mar. 2026 was $0.900. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.71 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Tachi-S Co (OTCPK:TCISF) 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.
Tachi-S Co Shiller PE Ratio Related Terms
Tachi-S Co Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Tachi-S Co'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.
TCISF vs ORLY, AZO, GPC: Shiller PE Ratio Comparison
For the Auto Parts subindustry, Tachi-S Co'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.
Tachi-S Co Shiller PE Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Tachi-S Co's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Tachi-S Co'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.
Tachi-S Co's Shiller PE Ratio for today is calculated as
* 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.
Tachi-S Co's E10 for the quarter that ended in Mar. 2026 is calculated as:
For example, Tachi-S Co's adjusted earnings per share data for the three months ended in Mar. 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.
Tachi-S Co (TCISF) has a Shiller PE Ratio of 21.61 as of Sep. 07, 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 Tachi-S Co and its competitors. This is 10% below median its historical median of 24.04. Over the past decade, Tachi-S Co's Shiller PE Ratio has ranged from 6.79 to 103.28. According to the industry distribution chart, Tachi-S Co ranks #519 out of 848 companies in the Vehicles & Parts industry, placing it in the top 61.2%.
Is Tachi-S Co's Shiller PE Ratio too high?
Tachi-S Co's current Shiller PE Ratio of 21.61 is 10% below median its 10-year median of 24.04. Over the past 10 years, this metric has ranged from a low of 6.79 to a high of 103.28. The Vehicles & Parts industry median Shiller PE Ratio is 19.46. Tachi-S Co's value of 21.61 is 11% above this industry median. Based on the distribution chart, Tachi-S Co ranks #519 out of 848 companies in the Vehicles & Parts industry, which is below the industry midpoint. Overall, Tachi-S Co has a GF Score™ of 76/100, reflecting its overall financial health beyond just this single metric.
How does Tachi-S Co's Shiller PE Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Tachi-S Co ranks #519 out of 848 companies for Shiller PE Ratio. This places Tachi-S Co in the lower half of its industry. The industry median Shiller PE Ratio is 19.46. Tachi-S Co's value of 21.61 is 11% above this benchmark. Historically, Tachi-S Co's own Shiller PE Ratio has ranged from 6.79 to 103.28 over the past decade. While the company's 10-year median is 24.04 vs. the industry median of 19.46, Tachi-S Co 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 19.46, based on 848 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. Tachi-S Co's current Shiller PE Ratio of 21.61 is 11% 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 Tachi-S Co and its competitors. For the Vehicles & Parts industry, the median Shiller PE Ratio is 19.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tachi-S Co's current Shiller PE Ratio is 21.61, which is 10% below median its own 10-year median of 24.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tachi-S Co stock overvalued right now?
Tachi-S Co (TCISF) has a current Shiller PE Ratio of 21.61. The stock's GF Value™ is $11.38, compared to a current price of $15.34 — trading 34.8% above its estimated fair value. The current Shiller PE Ratio is 21.61, which is 10% below median its 10-year median of 24.04 and 11% above the Vehicles & Parts industry median of 19.46. Tachi-S Co's overall GF Score™ is 76/100 with 6 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 Tachi-S Co (TCISF), the current Shiller PE Ratio is 21.61 as of Sep. 07, 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 Tachi-S Co (TCISF) Overvalued in 2026?
Based on GuruFocus' analysis, Tachi-S Co stock appears to be overvalued.
The current stock price of $15.34 is trading 34.8% above its estimated GF Value™ of $11.38.
Key valuation signals for TCISF:
Shiller PE Ratio: 21.61 (10% below median its 10-year median of 24.04)
GF Value™: $11.38 vs. price of $15.34 (34.8% above fair value)
Industry Position: 11% above the Vehicles & Parts median (#519 of 848)
No single metric tells the full story. See the TCISF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tachi-S Co Ltd is a seat systems manufacturer for automotive seats, originally from Japan. Its product portfolio includes springs, automotive seats, frames, mechanisms, foam, and soft trim. Tachi-S generates sales in Japan, China, Latin America, and North America. The company has joint ventures and technical collaborations with companies in Europe, Asia, Mexico, and North America.
76GF Score
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