NASDAQ: TTEK · Engineering & Construction
Tetra Tech (TTEK) fair value: undervalued or overvalued?
As of 4 Nov 2026, Faircurve's model values Tetra Tech (TTEK) at $37.71 a share. The stock last closed at $39.41, which puts the model's fair value 4.3% below the price. On the model's bands that reads as Fairly valued.
Revalued . Price is the close of 3 Nov 2026. Tetra Tech, Inc.
The report adds the live price, the price chart, the next earnings date and the analysts' consensus. No account needed.
This week, in three parts
What happenedThe run of 4 Nov 2026 moved the fair value from $37.11 to $37.71 (+1.6%).
What the model makes of itThe price of $39.41 is 4.3% above it: Fairly valued, on a medium evidence grade.
What's nextReports on 11 Nov 2026. The next weekly run is on Saturday 7 Nov 2026.
What price range does the model give TTEK?
The calibrated range for TTEK over 63 trading days is $30.55 to $45.04. There is no live options data for this stock, so the range is built from the fair value and calibrated weekly against realised prices (n = 10,454 past valuations, refreshed 31 Oct 2026). Ranges built this way held the price 60% of the time at this horizon.
The model's own simulated range, from the 20th to the 80th percentile of its runs, is $29.40 to $47.68. In 44% of the simulations the fair value came out above the price the model ran on.
Faircurve Insights · 4 Nov 2026
Tetra Tech, Inc. is a global provider of specialised consulting and engineering services. It runs two divisions: the Government Services Group (GSG) and the Commercial/International Services Group (CIG).
Faircurve's model puts the fair value at $37.71 a share, the midpoint of 2,000 simulations, on 4 Nov 2026. The previous run, on 31 Oct 2026, gave $37.11, so the fair value moved +1.6%. The calibrated range over 63 trading days is $30.55 to $45.04. It is built from the fair value, since there is no live options data for the stock. Ranges built this way held the price 60% of the time at this horizon. Faircurve's model grades the evidence Medium. The grade looks at how complete the inputs are, how many comparable companies there are and how closely they agree, and how wide the range of outcomes is. It does not say whether the fair value is right.
Faircurve's model gives the company an overall quality score of 57 out of 100 against comparable companies. Earnings quality scores highest at 87, with FCF / net income at 1.26x against a peer median of 1.12x. Balance sheet scores 77, with net debt / EBITDA at 1.16x against a peer median of 2.09x. Growth quality scores 30, with trailing revenue growth at 4.7% against a peer median of 5.3%. Stability scores 33, with five-year EBITDA margin downside volatility at 1.1 pts against a peer median of 0.7 pts. The model compares the company with Sterling Infrastructure, Inc. (STRL), Dycom Industries, Inc. (DY), MasTec, Inc. (MTZ), Fluor Corporation (FLR), Jacobs Solutions Inc. (J), Granite Construction Incorporated (GVA), Everus Construction Group, Inc. (ECG) and APi Group Corporation (APG).
Written from the figures on this page for the 4 Nov 2026 valuation and checked by rule before publishing: every number is one printed here, no forecast, no instruction. The price, the gap and the verdict are the page's own and change daily. Not a recommendation.
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When does TTEK report earnings, and how has the stock reacted?
Tetra Tech's next earnings report is scheduled for 11 Nov 2026. Companies can move their dates.
Around its last 8 reports: what the options market priced, and what followed
Each move runs from the last close before the report to the first close after it, so it covers companies that report before the open and after the close. The median size across TTEK's last 8 reports, ignoring direction, was 4.4%.
How does TTEK score on business quality?
Tetra Tech's overall quality score is 57 out of 100. Each factor below is a score against comparable companies, not a percentile of the metric beside it.
| Factor | Score (0 to 100) | Headline measure | Peer median |
|---|---|---|---|
| ProfitabilityReturn on invested capital against the peer group, with a bonus for an improving trend. | 50 | 16.7%ROIC | 14.5% |
| Earnings qualityHow much of reported profit is cash: free cash flow to net income, and the accrual ratio (the share of earnings that is not cash). | 87 | 1.26xFCF / net income | 1.12x |
| Growth qualityTrailing revenue growth, forward growth from consensus, and the direction of analysts' rating changes. | 30 | 4.7%Revenue growth, trailing | 5.3% |
| Capital disciplineReinvestment efficiency (capital spending per unit of revenue) and net buybacks. | 75 | 2.5%Net buybacks / market value | 2.5% |
| Balance sheetNet debt to EBITDA and interest coverage. | 77 | 1.16xNet debt / EBITDA | 2.09x |
| StabilityDownside volatility of the EBITDA margin over the last five years. | 33 | 1.1 ptsEBITDA margin downside volatility, 5y | 0.7 pts |
How does TTEK compare with similar companies?
The companies in engineering & construction closest to Tetra Tech in market value, each on the same model and the same date.
| Company | Last close | Model fair value | Gap | Model verdict |
|---|---|---|---|---|
| STRL Sterling Infrastructure, Inc. | $361.15 | $379.93 | +5.2% | Fairly valued |
| DY Dycom Industries, Inc. | $228.21 | $264.75 | +16.0% | Undervalued |
| MTZ MasTec, Inc. | $198.10 | $188.00 | -5.1% | Fairly valued |
| FLR Fluor Corporation | $47.99 | $54.10 | +12.7% | Fairly valued |
| J Jacobs Solutions Inc. | $159.85 | $139.83 | -12.5% | Fairly valued |
| GVA Granite Construction Incorporated | $133.31 | $143.02 | +7.3% | Fairly valued |
| ECG Everus Construction Group, Inc. | $112.73 | $105.07 | -6.8% | Fairly valued |
| APG APi Group Corporation | $46.37 | $40.68 | -12.3% | Fairly valued |
What the comparable companies' multiples alone would give for TTEK, the peer-implied price, is $33.99 a share on this run. The fair value weighs that against the company's own multiple.
All engineering & construction stocks ranked by gap to fair value
Tetra Tech at a glance
Tetra Tech, Inc. operates as a global provider of specialized consulting and engineering services. The firm organizes its activities into two primary divisions: the Government Services Group (GSG) and the Commercial/International Services Group (CIG).
- Market value
- $9.9B
- Sector
- Industrials
- Industry
- Engineering & Construction
- Revenue expected, next twelve months
- $4.5B
- Consensus revenue growth, next fiscal year
- -20.0%
- Analysts with estimates
- 4
- Beta to the US market
- 0.12
- First valued by Faircurve
- 11 Jul 2026
At the close of 3 Nov 2026, 52.1% of the 1,081 graded US stocks the model covers traded below the model's fair value. TTEK was not among them.
How the fair value is worked out: the model prices Tetra Tech on the value of the whole business, debt included, against the operating profit analysts expect next year (forward EV/EBITDA), runs 2,000 simulations across its inputs and takes the midpoint. The full method is documented here.
What changed in the latest valuation?
On 31 Oct 2026 the model's fair value for TTEK was $37.11. As of 4 Nov 2026 it is $37.71, a change of +1.6%. The model revalues every stock it covers each week, and again after an earnings report.
Questions about Tetra Tech's valuation
Is Tetra Tech stock undervalued or overvalued?
On Faircurve's model, TTEK reads as Fairly valued as of 4 Nov 2026. The model's fair value is $37.71 a share against a last close of $39.41, a gap of -4.3%.
What is TTEK's fair value?
$37.71 a share as of 4 Nov 2026, the midpoint of 2,000 simulations. The model's own 20th to 80th percentile range is $29.40 to $47.68.
What price range does the model give TTEK?
$30.55 to $45.04 over 63 trading days. Ranges built this way held the price 60% of the time across 10,454 past valuations, refreshed 31 Oct 2026.
When does Tetra Tech report earnings next?
The next report is scheduled for 11 Nov 2026. Companies can move their dates.
How much has TTEK moved on past earnings reports?
Across its last 8 reports the median two session move was 4.4%, ignoring direction. The largest was +16.9% around the report of 12 Nov 2025.
How confident is the model in this valuation?
The model's evidence grade for TTEK is medium. The grade looks at how complete the inputs are, how many comparable companies there are and how closely they agree, and how wide the range of outcomes is. It is not a probability that the fair value is right, or that the price reaches it.
The model's own ideas on TTEK
The model holds no idea open on TTEK today. Signed-in readers see the rule each idea runs on, the floor and the exit level the model set and its time limit, and the model's closed ideas on TTEK with their outcomes. A free account is enough.