Insider buying last 90 days
No open-market insider purchases were filed for TTEK in the last 90 days.
From Form 4 filings, dated to when each was filed.
Every TTEK insider filing, plotted on the chart in Gekko.Open TTEK in Gekko
NASDAQ: TTEK
Tetra Tech (TTEK) Stock Analysis & Forecast
Sep 28 close
$33.89−0.02 (−0.1%)
Gekko Brief
AI summaryTetra Tech shares slipped 3.6% to $33.64, with the stock described as trading 5.2% above a $31.98 value estimate despite a GF Score of 89/100 tied to strong profitability and momentum ratings. A separate item offered a general financial overview of the company's price history and analyst ratings, without new catalysts. No deal, guidance or regulatory news accompanied these items this week.
TTEK closed at $33.89, down 0.1%, sitting between its 50-day average of $34.99 and 200-day average of $33.05, reflecting a mixed short-term trend. The GekkoIndex reads 66.7, placing the stock in the Accumulation zone. Shares trade 4.2% below Gekko Fair Value of $35.36. Over the past month the stock is down 7.5%, though it remains up 17.3% over three months and 13.8% over six months, within a 52-week range of $25.81 to $43.14.
The next earnings report is scheduled for 11 November 2026, 43 days out and beyond a typical 20-day holding window; the prior quarter showed EPS of $0.42 against a $0.40 estimate, with a -3.2% reaction. No insider, Congress or unusual options activity appears in the current windows, though one trailblazer holder is noted. Seasonally, the next 20 trading days have averaged a 3.5% gain over five years, rising in three of them. Analyst coverage from 5 firms shows 3 buy and 2 hold ratings, with a consensus target of $40.33.
Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.
Tetra Tech price vs fair value
Close $33.89200-day averageGekko Fair Value $35.36
Tetra Tech quick facts
- Market cap
- $8.80B
- P/E ratio
- 20.3
- Forward P/E
- 19.9
- EPS, TTM
- $1.66
- Revenue, TTM
- $4.36B
- Profit margin
- 10%
- Dividend yield
- 0.77%
- Beta
- 0.90
- Volume
- 1.91M avg 2.10M
- 1-year return
- +2.4%
- Typical daily move
- ±2.8%
- Typical 20-day move
- ±5.9%
- 50-day average
- $34.99
- 200-day average
- $33.05
- Next earnings
- Nov 11
- Shares outstanding
- 256.0M
Tetra Tech swing-trade checklist
Tetra Tech scores 3 supportive, 2 mixed and 0 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
3 supportive2 mixed0 headwinds
- Trendmixed
Averages disagree
Close $33.89 sits between the 50-day ($34.99) and 200-day ($33.05) averages, or the averages disagree.
See the chart - GekkoIndexsupportive
66.7, Accumulation
Reading 66.7 is in the Accumulation zone.
See the GekkoIndex - Fair valuemixed
4.2% below
Price is within 5% of Gekko Fair Value (4.2% below).
See fair value - Smart moneyno data
No data
No insider, Congress or unusual options activity in the window.
See smart money - Earnings risksupportive
Reports in 43 days
Next report Nov 11, 2026, 43 days away — outside a typical 20-trading-day hold.
See earnings - Seasonalitysupportive
+3.5% on average
From this point in the calendar, the next 20 trading days averaged +3.5% over 5 years, rising in 3 of them.
See seasonality
A description of current data, not a recommendation. How this page works
Tetra Tech stock chart and price history
Tetra Tech closed at $33.89 on Sep 28, 2026, +2.4% over the past year, inside a 52-week range of $25.81 to $43.14.
Close50-day average200-day averageVolume
Use the left and right arrow keys to read daily values.
Performance Breakdown
- 1 month
- −7.5%
- 3 months
- +17.3%
- 6 months
- +13.8%
- 1 year
- +2.4%
The full TTEK chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open TTEK in Gekko
Follow Tetra Tech through every session
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About Tetra Tech
Tetra Tech provides consulting and engineering services to clients around the world, with particular focus on water resources, environmental monitoring, data analysis, and infrastructure planning and design. It is known for combining scientific and engineering expertise with services related to climate change, energy efficiency, and greenhouse gas evaluation and management.
The company runs its work through two groups. One serves government clients, including federal, state, and local agencies as well as development organizations, covering tasks from data collection and monitoring to engineering design, project management, and ongoing operations support. The other group serves commercial and international clients in natural resources, energy, and utilities, along with sustainable infrastructure markets, offering similar services such as data gathering, feasibility studies, engineering design, and project oversight.
Tetra Tech was founded in 1966 and is headquartered in Pasadena, California. Its shares are listed on the NASDAQ under the ticker TTEK.
- Listed
- NASDAQ
- Sector
- Industrial services
- Industry
- Engineering & construction
- Website
- tetratech.com
Tetra Tech GekkoIndex: the smart money zone
Tetra Tech’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 66.7, in the Accumulation zone, up 10.4 points over five sessions.
66.7Accumulation
Up 10.4 points over five sessions, from the Neutral zone.
Reading for Sep 28, 2026
What followed past readings in each zone
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 47 | −2.2% | −4.9% | ||
| Accumulation (current zone) | 195 | +0.5% | +0.4% | ||
| Neutral | 376 | +0.4% | +1.7% | ||
| Distribution | 49 | −0.7% | −1.2% | ||
| Selling | 5 | Too few readings yet | |||
Average TTEK share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.
Accumulation zone: Institutional interest building. About the five zones →
See every daily GekkoIndex reading plotted over the TTEK price, zone by zone.Track TTEK in Gekko
Is Tetra Tech stock overvalued? Gekko Fair Value
Tetra Tech trades 4.2% below Gekko Fair Value of $35.36, so the shares are about fair value on Gekko’s estimate.
Gekko’s own estimate of what Tetra Tech shares are worth, recalculated every trading day.
$35.36
Gekko Fair Value, Sep 26, 2026
4.2% below fair value · About fair value
Gekko Fair Value on every chart, with the gap to price updating daily.Open TTEK in Gekko
Tetra Tech insider and Congress trading
No open-market insider purchases were filed for Tetra Tech, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
Congress trades last 90 days
No trades in TTEK were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Congress disclosures for TTEK, plotted on the chart in Gekko.Open TTEK in Gekko
Buybacks
Tetra Tech has been buying back its own shares.
- Latest authorization
- $500.0M, Sep 10, 2026
- Bought back, quarter ended Jun 28, 2026
- $100.0M
- As a share of market cap
- 1.14%
- Trailing four quarters
- $252.0M
From company filings.
Hedge funds and billionaires quarter ended Dec 31
1of the funds Gekko tracks holds TTEK.
0added1opened0trimmed0sold out
Which funds are on each side, name by name.Unlock in Gekko
Tetra Tech earnings: next date and track record
Tetra Tech reports on Nov 11, 2026 (43 days away), and beat the EPS estimate in 8 of its last 8 reports.
Next earnings report
Nov 11, 2026
43 days away
- EPS estimate
- $0.47
- Revenue estimate
- $1.15B
8 of 8reports beat the EPS estimate
±7.8%average move across the report
4 of 8reports followed by a gain
Share-price move across each report
Last earnings call, Jul 29, 2026 AI summary
- What they said
- Tetra Tech reported Q3 FY2026 net revenue of $1.1 billion, exceeding guidance upper end, with EPS of $0.42 also above guidance. GSG grew 7% YoY with 17.5% margins; CIG grew 9% with 15.1% margins. Record YTD operating cash flow of $467 million was achieved. Backlog increased 5% sequentially to ~$4.5 billion, supported by $300 million in Army Corps contracts and new commercial wins in data centers and PFAS treatment.
- Guidance
- Management raised full fiscal year 2026 guidance following strong Q3 performance. Backlog growth for two consecutive quarters provides visibility into Q4 and year-end. No specific revised revenue or EPS targets were disclosed in this excerpt.
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Jul 29, 2026 | $0.42 est $0.40 | $1.11B est $1.08B | −3.2% |
| Apr 29, 2026 | $0.34 est $0.32 | $1.05B est $1.00B | +3.0% |
| Jan 28, 2026 | $0.35 est $0.31 | $1.04B est $975.6M | +2.4% |
| Nov 12, 2025 | $0.45 est $0.40 | $1.33B est $1.06B | +16.9% |
| Jul 30, 2025 | $0.43 est $0.37 | $1.37B est $1.07B | −2.1% |
| May 7, 2025 | $0.33 est $0.30 | $1.32B est $1.04B | +14.1% |
| Jan 29, 2025 | $0.35 est $0.33 | $1.42B est $1.10B | −5.7% |
| Nov 13, 2024 | $0.38 est $0.37 | $1.37B est $1.13B | −15.1% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Tetra Tech stock forecast and analyst price targets
Analysts’ average 12-month price target for Tetra Tech is $40.33, +19.0% from the last close, from 5 firms rating the stock in the last 90 days.
$40.33consensus 12-month target, +19.0% from the last close
Now $33.89Avg $40.33
Low $37High $43
Each firm’s latest rating in the last 90 days: 5 firms.
Latest analyst actions
| Date | Firm | Target | vs price |
|---|---|---|---|
| Jul 31 | Maxim Group | — | — |
| Jul 31 | KeyBanc | $43 | +26.9% |
| Jul 30 | William Blair | — | — |
| Jul 30 | Robert W. Baird | $37 | +9.2% |
| Jul 22 | RBC Capital | $43 | +26.9% |
+0.4%average 20-day move after past Accumulation readings
+3.5%average move over the next 20 trading days in the last 5 years
±2.8%typical daily move, from the 14-day average range
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Tetra Tech seasonality: the next 20 trading days
Over the next 20 trading days from Sep 29, Tetra Tech averaged +3.5% across the last 5 years, rising in 3 of them.
Next 20 trading days, by year
Average move and hit rate
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +2.7% | 5 of 5 |
| Next 10 trading days | +4.4% | 5 of 5 |
| Next 15 trading days | +3.9% | 4 of 5 |
| Next 20 trading days | +3.5% | 3 of 5 |
| Next 30 trading days | +8.4% | 4 of 5 |
For scale, TTEK’s typical 20-trading-day move in either direction is about 5.9%.
Tetra Tech market cap and key statistics
Tetra Tech’s market cap is $8.80B, with a P/E ratio of 20.3 and revenue of $4.36B over the last twelve months.
Valuation
- Market cap
- $8.80B
- P/E ratio
- 20.3
- Forward P/E
- 19.9
- EPS, TTM
- $1.66
- Gekko Fair Value
- $35.36
Trading
- Volume
- 1.91M
- Avg volume, 20 days
- 2.10M
- 52-week high
- $43.14
- 52-week low
- $25.81
- Shares outstanding
- 256.0M
Financials
- Revenue, TTM
- $4.36B
- Profit margin
- 10%
- Return on equity
- 24.3%
- Quarterly earnings growth, YoY
- −2.3%
Risk and income
- Beta
- 0.90
- Typical daily move
- ±2.8%
- Typical 20-day move
- ±5.9%
- Dividend yield
- 0.77%
Tetra Tech stock news this week
2 headlines about Tetra Tech from the past week, newest first, each linking to the publisher.
- Tetra Tech Inc (TTEK) Stock Down 3.6% but Still Overvalued -- GF Score: 89/100GuruFocus, Sep 25
- Tetra Tech, Inc. (TTEK) Stock Price, News, Quote & HistoryYahoo! Finance Canada, Sep 22
Tetra Tech peers
Tetra Tech’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| PWRQuanta Services | Neutral | 6.5% above |
| FIXComfort Systems USA | Neutral | 5.6% above |
| FERFerrovial | Accumulation | 20.0% below |
| EMEEMCOR | Neutral | 5.7% above |
| OTISOtis Worldwide | Accumulation | 16.5% below |
| APGAPi | Neutral | 1.2% above |
A peer links to its own page where one exists.
Tetra Tech stock FAQ
What is Tetra Tech’s market cap?
Tetra Tech’s market cap is $8.80B at the Sep 28, 2026 close of $33.89, with 256.0M shares outstanding. The shares trade on a P/E ratio of 20.3.
What is the Tetra Tech stock forecast?
The consensus analyst 12-month price target for Tetra Tech is $40.33, +19.0% from the last close. Of the 5 firms that rated the stock in the last 90 days, 3 rate it a buy, 2 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
Is Tetra Tech stock overvalued or undervalued?
On Gekko’s estimate Tetra Tech is about fair value: the Sep 28, 2026 close of $33.89 is 4.2% below Gekko Fair Value of $35.36. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
When does Tetra Tech report earnings next?
Tetra Tech is expected to report on Nov 11, 2026 (43 days away). Analysts expect earnings of $0.47 per share on revenue of $1.15B. Tetra Tech beat the earnings estimate in 8 of its last 8 reports, moving 7.8% on average across the report.
What is Tetra Tech’s 52-week high and low?
Tetra Tech’s 52-week high is $43.14 and its 52-week low is $25.81; it closed at $33.89 on Sep 28, 2026, +2.4% over the past year. Over the last five years the shares peaked at $51.20 on Nov 6, 2024.
Is Tetra Tech stock a buy right now?
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 3 of the 5 items with data read as supportive (gekkoindex, earnings risk and seasonality), 2 as mixed (trend and fair value). The checklist is a description of current data, not a recommendation.
How this page works
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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