Tetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.

What symbol and exchange does Tetra Tech shares trade?

Tetra Tech trades on the NASDAQ stock market under the symbol TTEK.

What is Tetra Tech stock price doing today?

As of October 23, 2026, TTEK stock price climbed to $36.98 with 1,662,880 million shares trading.

What is Tetra Tech's Beta?

TTEK has a beta of 0.61, meaning it tends to be less sensitive to market movements. TTEK has a correlation of 0.04 to the broad based SPY ETF.

How much is Tetra Tech worth?

TTEK has a market cap of $9.65 billion. This is considered a Mid Cap stock.

How much money does Tetra Tech make?

Last quarter Tetra Tech reported $1 billion in Revenue and $.42 earnings per share. This beat revenue expectation by $31 million and exceeded earnings estimates by $.02.

What is the highest and lowest price Tetra Tech traded in the last 3 year period?

In the last 3 years, TTEK traded as high as $51.20 and as low as $25.81.

What are the top ETFs holding Tetra Tech?

The top ETF exchange traded funds that TTEK belongs to (by Net Assets): IJH, VTI, VB, VBR, VXF.

Is Tetra Tech (TTEK) a good investment?

TTEK has underperformed the market in the last year with a return of +10.3%, while SPY returned +14.3%. This shows that you would have done better investing in the overall market (through SPY) over the last year than in TTEK shares. However, TTEK has outperformed the market in the last 3 month and 2 week periods, returning +21.2% and +10.9%, while SPY returned +3.2% and -2.4%, respectively. This indicates TTEK has been having a stronger performance recently.

What are the support and resistance levels for Tetra Tech (TTEK)?

TTEK support price is $36.16 and resistance is $37.46 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that TTEK shares will trade within this expected range on the day.