TTEK Tetra Tech PE ratio, current and historical analysis
- Stocks
- Industrials
- NASDAQ: TTEK
- PE Ratio
As of Nov 5, 2025, the TTEK stock has a P/E ratio of 40.22. The calculation is based on the latest EPS of $0.81 and the stock price of $32.58 per share. The PE ratio currently is comparable to its last 4-quarter average.
TTEK PE ratio history
The mean historical PE ratio of Tetra Tech over the last ten years is 33.0. The current 40.22 price-to-earnings ratio is 22% more than the historical average. Analyzing the last ten years, TTEK's PE ratio reached its highest point in the Jun 2016 quarter at 86.6, with a price of $6.06 and an EPS of $0.07. The Apr 2018 quarter saw the lowest point at 19.98, with a price of $9.79 and an EPS of $0.49.
Tetra Tech PE ratio by year
Maximum annual increase: 158.7% in 2015
Maximum annual decrease: -36.2% in 2016
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 37.12 | 25.75% | $46.4 | $1.25 |
| 2023 | 29.52 | 12.54% | $30.41 | $1.03 |
| 2022 | 26.23 | -25.74% | $25.71 | $0.98 |
| 2021 | 35.32 | 23.84% | $30.37 | $0.86 |
| 2020 | 28.52 | -2.63% | $18.25 | $0.64 |
| 2019 | 29.29 | 5.06% | $16.99 | $0.58 |
| 2018 | 27.88 | 22.77% | $13.66 | $0.49 |
| 2017 | 22.71 | -7.15% | $9.31 | $0.41 |
| 2016 | 24.46 | -36.2% | $7.09 | $0.29 |
| 2015 | 38.34 | 158.7% | $4.98 | $0.13 |
| 2014 | 14.82 | N/A | $5.04 | $0.34 |
| 2013 | N/A | N/A | $5.2 | -$0.01 |
| 2012 | 15.92 | 23.22% | $5.25 | $0.33 |
| 2011 | 12.92 | -23.78% | $3.75 | $0.29 |
| 2010 | 16.95 | -4.45% | $4.24 | $0.25 |
Tetra Tech PE ratio by quarter (TTM)
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| Jun 2025 | 44 | 5.67% | $35.64 | $0.81 |
| Mar 2025 | 41.64 | 1.41% | $29.15 | $0.7 |
| Dec 2024 | 41.06 | 10.61% | $39.83 | $0.97 |
| Sep 2024 | 37.12 | -1.07% | $46.4 | $1.25 |
| Jun 2024 | 37.52 | 1.57% | $40.9 | $1.09 |
| Mar 2024 | 36.94 | -3.73% | $36.94 | $1 |
| Dec 2023 | 38.37 | 29.98% | $33.39 | $0.87 |
| Oct 2023 | 29.52 | 2.75% | $30.41 | $1.03 |
| Jul 2023 | 28.73 | 10.5% | $32.75 | $1.14 |
| Apr 2023 | 26 | 4.75% | $29.38 | $1.13 |
| Jan 2023 | 24.82 | -5.38% | $29.04 | $1.17 |
| Oct 2022 | 26.23 | -7.38% | $25.71 | $0.98 |
| Jul 2022 | 28.32 | -19.55% | $27.76 | $0.98 |
| Apr 2022 | 35.2 | -4.63% | $33.44 | $0.95 |
| Jan 2022 | 36.91 | 4.5% | $33.96 | $0.92 |
TTEK Price vs fair value
TTEK average PE ratio chart
TTEK's current PE ratio is higher than the 3, 5 and 10-year averages.
PE comparison
Tetra Tech's price to earnings (P/E) of 40.22 is higher than the Industrials sector, the industry and its peers average. Looking at the Industrials sector average of 25.78, Tetra Tech's price to earnings (P/E) is 56% higher.
TTEK PE vs peers
When compared to its peer stocks WM and ACM, TTEK's PE ratio is higher. Tetra Tech's PE ratio is trading above the peer average of 25.68.
| Stock name | PE ratio | Market cap |
|---|---|---|
| GLDD Great Lakes Dredge & Dock CORP | 11.52 | $838.38M |
| ICFI ICF International Inc | 15.22 | $1.5B |
| ACM Aecom | 28.21 | $17.22B |
| CLH Clean Harbors Inc | 28.22 | $10.92B |
| WM Waste Management Inc | 31.41 | $80.61B |
| MYRG Myr Group Inc | 37.6 | $3.62B |
| TTEK Tetra Tech Inc | 39.54 | $8.42B |
Frequently asked questions
What is Tetra Tech's PE ratio?
TTEK's price to earnings ratio is 40.22 as of Nov 5, 2025.
What is the 3-year average PE ratio for Tetra Tech (TTEK)?
The 3-year average PE ratio for TTEK stock is 35.07.
What is the 5-year average PE ratio for Tetra Tech (TTEK)?
The 5-year average PE ratio for TTEK stock is 34.47.
What is the highest PE ratio for TTEK?
Over the last ten years, the quarterly PE ratio reached its highest level at 86.6 in the Jun 2016 quarter.
How does the current PE ratio for TTEK compare to its historical average?
TTEK's current price to earnings ratio is 22% above its 10-year historical average.
How is TTEK's PE ratio calculated (Tetra Tech PE ratio formula)?
The P/E ratio is calculated by dividing the latest price of a stock by its trailing twelve months EPS. As of today (Nov 5, 2025), Tetra Tech's share price is $32.58. The company's earnings per share for the trailing twelve months (TTM) ending Jun 2025 is $0.81. Therefore, Tetra Tech's price to earnings ratio for today is 40.22. PE RATIO(40.22) = STOCK PRICE($32.58) / TTM EPS($0.81)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified.