TTEK Tetra Tech PEG ratio, current and historical analysis

?
Relative Growth: Rel. Growth: 84
Relative Strength: Rel. Strength: 19
Relative Valuation: Rel. Valuation: 88
Relative Profitability: Rel. Profitability: 80

Tetra Tech is trading with a PEG ratio of 0.12, based on Jun 22, 2026 data. Dividing the 16.16 PE ratio by the 140.0% earnings growth rate yields this valuation metric.

TTEK PEG ratio history

How has TTEK's PEG ratio performed in the past

Historically, Tetra Tech shows a PEG ratio averaging 1.33 across the past ten years. At 0.12, today's PEG ratio sits 91% below its historical average. The ten years high occurred in the Oct 2023 quarter at 5.79, reflecting maximum valuation relative to growth. The minimum was hit in the Apr 2017 quarter at 0.05, indicating optimal value relative to growth during that period.

Today
0.12
Average
1.33
Median
0.96
Minimum
0.05
Maximum
5.79

Tetra Tech PEG ratio by year

Year PEG ratio PE ratio Growth YoY
2025 N/A 35.46 -24.8%
2024 1.73 37.12 21.4%
2023 5.79 29.52 5.1%
2022 1.87 26.23 14%
2021 1.03 35.32 34.4%
2020 2.77 28.52 10.3%
2019 1.59 29.29 18.4%
2018 1.43 27.88 19.5%
2017 0.55 22.71 41.4%
2016 0.2 24.46 123.1%
2015 N/A 38.34 -61.8%
2014 0 14.82 3,500%
2013 N/A N/A -103%
2012 1.15 15.92 13.8%
2011 0.81 12.92 16%

Tetra Tech PEG ratio by quarter (TTM)

Year PEG ratio PE ratio Growth YoY
Mar 2026 0.13 17.73 140%
Dec 2025 0.67 25.4 38.1%
Sep 2025 N/A 35.46 -24.8%
Jun 2025 N/A 44 -25.7%
Mar 2025 N/A 41.64 -30%
Dec 2024 3.57 41.06 11.5%
Sep 2024 1.73 37.12 21.4%
Jun 2024 N/A 37.52 -4.4%
Mar 2024 N/A 36.94 -11.5%
Dec 2023 N/A 38.37 -25.6%
Oct 2023 5.79 29.52 5.1%
Jul 2023 1.76 28.73 16.3%
Apr 2023 1.38 26 18.9%
Jan 2023 0.91 24.82 27.2%
Oct 2022 1.87 26.23 14%

TTEK average PEG ratio chart

What is the average PEG ratio of TTEK for the past years

TTEK's PEG ratio today is below the 3, 5 and 10-year averages.

3-year avg
2.28
5-year avg
1.6
10-year avg
1.33
15-year avg
1.19

PEG comparison

Tetra Tech's PEG of 0.12 is below the Industrials sector and the industry average. Compared to its Industrials sector average of 1.13, Tetra Tech's PEG is 89% lower.

TTEK EPS growth

Earnings per share growth rates over time chart

TTEK Price vs fair value

How does TTEK's price compare to its estimated fair value based on its growth

TTEK PEG vs peers

What is TTEK's PEG ratio compared to its peers

TTEK has a PEG ratio below that of peer stocks WM and CLH.

Stock name PEG ratio Market cap
TTEK Tetra Tech Inc 0.12 $7.28B
MYRG Myr Group Inc 0.16 $7.36B
WM Waste Management Inc 7.67 $87.51B
CLH Clean Harbors Inc 16.96 $15.31B
ACM Aecom N/A $8.91B
ICFI ICF International Inc N/A $1.21B

Frequently asked questions

What is Tetra Tech's PEG ratio?

According to Jun 22, 2026 data, TTEK's PEG ratio sits at 0.12.

What is the 3-year average PEG ratio for Tetra Tech (TTEK)?

Over the last 3 years, TTEK's PEG ratio has settled near 2.28.

What is the 5-year average PEG ratio for Tetra Tech (TTEK)?

Over the last 5 years, TTEK's PEG ratio has settled near 1.6.

What is the highest PEG ratio for TTEK?

TTEK's PEG ratio peaked at 5.79 during the Oct 2023 quarter - the highest in ten years.

How does the current PEG ratio for TTEK compare to its historical average?

Compared to the 10-year average, TTEK's PEG ratio is 91% lower.

Why is Tetra Tech's PEG ratio so low?

The 0.12 PEG ratio for TTEK reflects strong earnings growth outpacing the current valuation.

How is TTEK's PEG ratio calculated (Tetra Tech PEG ratio formula)?

PEG equals PE divided by EPS growth (YoY TTM). As of Jun 22, 2026, Tetra Tech has a P/E ratio of 16.16. Earnings grew at 140.0% over the TTM period ending Mar 2026. Applying the formula, this produces a price to earnings growth ratio of 0.12. PEG RATIO(0.12) = PE RATIO(16.16) / EPS GROWTH(140.0%)

All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.