ATS (ATS) Shiller PE Ratio: (As of Aug. 26, 2026)

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ATS ATS Corp ATS
80 GF Score
Price $19.93
GF Value $31.07
Valuation Significantly Undervalued
! 4 Warning Signs
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What is ATS Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


ATS  (NYSE:ATS) 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.


ATS Shiller PE Ratio Related Terms


ATS Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for ATS'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.

ATS Shiller PE Ratio Chart

ATS Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 66.15 68.24 47.36 40.84 42.81

ATS Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 48.58 39.90 41.00 42.81 0.00

ATS vs GEV, ETN, PH: Shiller PE Ratio Comparison

For the Specialty Industrial Machinery subindustry, ATS'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.


ATS Shiller PE Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, ATS's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where ATS's Shiller PE Ratio falls into.


ATS
80GF Score
ATS Corp ATS
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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ATS 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.

ATS's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, ATS's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=0/133.5265*133.5265
=0.000

Current CPI (Jun. 2026) = 133.5265.

ATS Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 0.069 101.765 0.091
201612 0.052 101.449 0.068
201703 0.067 102.634 0.087
201706 0.090 103.029 0.117
201709 0.122 103.345 0.158
201712 0.055 103.345 0.071
201803 0.124 105.004 0.158
201806 0.137 105.557 0.173
201809 0.084 105.636 0.106
201812 0.201 105.399 0.255
201903 0.142 106.979 0.177
201906 0.135 107.690 0.167
201909 0.159 107.611 0.197
201912 0.030 107.769 0.037
202003 0.100 107.927 0.124
202006 0.081 108.401 0.100
202009 0.098 108.164 0.121
202012 0.156 108.559 0.192
202103 0.199 110.298 0.241
202106 0.245 111.720 0.293
202109 0.253 112.905 0.299
202112 0.203 113.774 0.238
202203 0.348 117.646 0.395
202206 0.328 120.806 0.363
202209 0.240 120.648 0.266
202212 0.236 120.964 0.261
202303 0.234 122.702 0.255
202306 0.376 124.203 0.404
202309 0.377 125.230 0.402
202312 0.350 125.072 0.374
202403 0.362 126.258 0.383
202406 0.263 127.522 0.275
202409 -0.007 127.285 -0.007
202412 0.049 127.364 0.051
202503 -0.495 129.181 -0.512
202506 0.183 129.892 0.188
202509 0.246 130.287 0.252
202512 0.217 130.366 0.222
202603 -0.124 132.262 -0.125
202606 0.000 133.527 0.000

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.

Is ATS (ATS) Overvalued in 2026?

Based on GuruFocus' analysis, ATS stock appears to be undervalued. The current stock price of $19.93 is trading 35.9% below its estimated GF Value™ of $31.07. GuruFocus considers ATS to be Significantly Undervalued.

Key valuation signals for ATS:

  • Shiller PE Ratio:
  • GF Value™: $31.07 vs. price of $19.93 (35.9% below fair value)
  • GF Score™: 80/100 with 4 warning signs

No single metric tells the full story. See the ATS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


ATS Business Description

Other Exchanges ATO0:GermanyATS:Canada
Address 730 Fountain Street North, Building 3, Cambridge, ON, CAN, N3H 4R7
ATS Corp is an industry leader in planning, designing, building, commissioning and servicing automated manufacturing systems - including automation products and test solutions - for a broadly diversified base of customers. The Company's operations are reported as one operating segment, Automation Systems, which plans, allocates resources, builds capabilities and implements practices on a world'wide basis. The company has presence in Canada, United States, Germany, Italy, Other Europe, and Other.
80GF Score

Get the complete analysis for ATS

Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$19.93
Price
$31.07
GF Value