ATS Corporation (ATS) P/E Ratio History
ExpensiveTrading at 55.4x vs 5Y avg 33.3x · 95th percentile · Material premium to history · Data 2010–2026
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P/E Ratio Analysis
As of July 7, 2026, ATS Corporation (ATS) trades at a price-to-earnings ratio of 55.4x, with a stock price of $28.47 and trailing twelve-month earnings per share of $0.74.
The current P/E is 67% above its 5-year average of 33.3x. Over the past five years, ATS's P/E has ranged from a low of 17.1x to a high of 153.0x, placing the current valuation at the 95th percentile of its historical range.
Compared to the Industrials sector median P/E of 26.1x, ATS trades at a 112% premium to its sector peers. The sector includes 399 companies with P/E ratios ranging from 0.0x to 185.1x.
The PEG ratio of 48.90 (P/E divided by 352% EPS growth) suggests the stock may be expensive relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, ATS commands a significant premium over the S&P 500 median P/E of 25.6x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our ATS DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
ATS Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
ATS P/E vs Peers
Robotics and factory automation peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $37B | 25.7 | 2.68Best | -1% | |
| $4B | 13.3Lowest | - | +26% | |
| $6B | 112.2 | 34.04 | -17% | |
| $25B | 84.2 | - | +56% | |
| $12B | 30.0 | 12.20 | -71% | |
| $55B | 65.5 | 8.18 | +39% | |
| $12B | 80.9 | 43.25 | +169%Best | |
| $15B | 109.3 | 3.16 | -32% | |
| $54B | 63.0 | - | -7% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
ATS Historical P/E Data (2010–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q4 | - | $28.20 | $0.73 | 38.6x | +30% |
| FY2026 Q3 | Dec 31 2025 | $27.54 | $0.18 | 153.0x | +414% |
| FY2025 Q3 | - | $30.48 | $0.91 | 33.6x | +13% |
| FY2025 Q2 | Sep 30 2024 | $29.05 | $1.31 | 22.2x | -26% |
| FY2025 Q1 | Jun 30 2024 | $32.31 | $1.83 | 17.7x | -41% |
| FY2024 Q4 | Mar 31 2024 | $33.72 | $1.97 | 17.1x | -42% |
| FY2024 Q3 | Dec 31 2023 | $43.07 | $1.80 | 23.9x | -20% |
| FY2024 Q2 | Sep 30 2023 | $42.62 | $1.65 | 25.8x | -13% |
| FY2024 Q1 | Jun 30 2023 | $46.09 | $1.46 | 31.6x | +6% |
| FY2023 Q4 | Mar 31 2023 | $41.64 | $1.38 | 30.2x | +1% |
| FY2023 Q3 | Jan 01 2023 | $30.93 | $1.50 | 20.6x | -31% |
| FY2023 Q2 | Oct 02 2022 | $26.23 | $1.44 | 18.2x | -39% |
| FY2023 Q1 | - | $27.25 | $1.44 | 18.9x | -36% |
| FY2022 Q4 | - | $35.95 | $1.32 | 27.2x | -8% |
| FY2022 Q3 | Dec 31 2021 | $39.73 | $1.14 | 34.9x | +17% |
| FY2022 Q2 | - | $31.71 | $1.08 | 29.4x | -1% |
| FY2022 Q1 | Jun 30 2021 | $28.55 | $0.89 | 32.1x | +8% |
| FY2021 Q4 | Mar 31 2021 | $21.17 | $0.70 | 30.2x | +2% |
| FY2021 Q3 | - | $17.42 | $0.58 | 30.0x | +1% |
| FY2021 Q2 | Sep 30 2020 | $12.64 | $0.42 | 30.1x | +1% |
| FY2021 Q1 | - | $14.09 | $0.50 | 28.2x | -5% |
| FY2020 Q4 | - | $10.33 | $0.57 | 18.1x | -39% |
| FY2020 Q3 | - | $16.50 | $0.63 | 26.2x | -12% |
| FY2020 Q2 | Sep 30 2019 | $13.69 | $0.86 | 15.9x | -46% |
| FY2020 Q1 | Jun 30 2019 | $16.23 | $0.76 | 21.4x | -28% |
| FY2019 Q4 | Mar 31 2019 | $14.49 | $0.76 | 19.1x | -36% |
| FY2019 Q3 | Dec 31 2018 | $10.62 | $0.72 | 14.8x | -50% |
| FY2019 Q2 | Sep 30 2018 | $18.53 | $0.52 | 35.6x | +20% |
| FY2019 Q1 | Jun 30 2018 | $14.72 | $0.56 | 26.3x | -12% |
| FY2018 Q4 | Mar 31 2018 | $13.56 | $0.50 | 27.1x | -9% |
| FY2018 Q3 | Dec 31 2017 | $11.86 | $0.42 | 28.0x | -6% |
| FY2018 Q2 | Sep 30 2017 | $9.85 | $0.42 | 23.3x | -22% |
| FY2018 Q1 | Jun 30 2017 | $10.22 | $0.36 | 28.2x | -5% |
| FY2017 Q4 | Mar 31 2017 | $10.15 | $0.37 | 27.2x | -9% |
| FY2017 Q3 | Dec 31 2016 | $9.31 | $0.30 | 30.5x | +3% |
| FY2017 Q2 | Sep 30 2016 | $8.33 | $0.40 | 21.1x | -29% |
| FY2017 Q1 | - | $7.50 | $0.45 | 16.9x | -43% |
| FY2016 Q4 | - | $8.23 | $0.42 | 19.4x | -35% |
| FY2016 Q3 | - | $8.17 | $0.58 | 14.1x | -53% |
| FY2016 Q2 | Sep 30 2015 | $10.09 | $0.51 | 19.8x | -33% |
| FY2016 Q1 | - | $12.92 | $0.53 | 24.4x | -18% |
| FY2015 Q4 | - | $10.82 | $0.59 | 18.3x | -38% |
| FY2015 Q3 | Dec 31 2014 | $13.23 | $0.54 | 24.5x | -18% |
| FY2015 Q2 | - | $11.55 | $0.66 | 17.5x | -41% |
| FY2015 Q1 | Jun 30 2014 | $14.34 | $0.64 | 22.4x | -25% |
| FY2014 Q4 | Mar 31 2014 | $13.14 | $0.69 | 19.0x | -36% |
| FY2014 Q3 | - | $12.82 | $0.66 | 19.3x | -35% |
| FY2014 Q2 | Sep 30 2013 | $13.42 | $0.33 | 40.3x | +35% |
| FY2014 Q1 | Jun 30 2013 | $10.22 | $0.28 | 36.1x | +21% |
| FY2013 Q4 | Mar 31 2013 | $9.57 | $0.17 | 55.3x | +86% |
| FY2013 Q3 | Dec 31 2012 | $8.80 | $0.11 | 77.2x | +160% |
| FY2013 Q2 | Sep 30 2012 | $9.03 | $0.34 | 26.3x | -12% |
| FY2011 Q2 | - | $6.99 | $0.13 | 52.2x | +75% |
| FY2011 Q1 | Jun 30 2010 | $5.39 | $0.19 | 27.8x | -7% |
| FY2010 Q4 | Mar 31 2010 | $7.11 | $0.14 | 51.6x | +74% |
| FY2010 Q3 | - | $7.15 | $0.26 | 27.1x | -9% |
Average P/E for displayed period: 29.7x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
16+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ATS — Frequently Asked Questions
Quick answers to the most common questions about buying ATS stock.
What is ATS's P/E ratio?
ATS Corporation (ATS) trailing twelve-month P/E ratio is 55.4x, based on TTM diluted EPS of $0.74. The 5-year average P/E is 33.3x and the historical range spans 17.1x to 153.0x.
Is ATS stock overvalued or undervalued?
ATS trades at 55.4x P/E, above its 5-year average of 33.3x. The 95th percentile ranking within the 17.1x–153.0x historical range indicates a premium to historical valuation.
Is ATS stock expensive?
Yes, ATS is expensive relative to its own history. The current P/E of 55.4x is above the 5-year average of 33.3x and also above the Industrials sector median of 26.1x. The stock sits at the 95th percentile of its 5-year valuation range.
What is ATS's historical P/E range?
Over the past 5 years, ATS's P/E ratio has ranged from 17.1x to 153.0x, with a median of 30.0x and an average of 33.3x. The current P/E of 55.4x places the stock at the 95th percentile of this range. Full historical data spans 2010–2026.
How does ATS's P/E compare to the S&P 500?
ATS trades at 55.4x P/E versus the S&P 500 median of 25.6x. The 116% premium to the market typically reflects higher expected earnings growth or quality.
How does ATS's valuation compare to Industrials peers?
ATS Corporation P/E of 55.4x compares to the Industrials sector median of 26.1x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is ATS's PEG ratio?
ATS PEG ratio is 48.90, based on a P/E of 55.4x and EPS growth of 351.7%. A PEG above 2.0 indicates a premium valuation relative to earnings growth — typically considered expensive.
What is ATS's earnings yield?
ATS earnings yield is 1.80%, the inverse of its 55.4x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.