Is TTEK Worth Buying in 2026?

Tetra Tech Inc

STOCK SERVICES-ENGINEERING SERVICES Updated 2026-08-23

Here’s whether Tetra Tech Inc (TTEK) is worth buying in 2026 — based on weekly-updated price trend, RSI momentum, and return vs. the S&P 500. Our current read: Bullish.

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Bullish

Positives: trading above the 200-day MA (long-term uptrend intact); above the 50-day MA (medium-term momentum positive); 50-day MA is rising (+5.51% over 10 days); 3-month momentum positive (+33.8%). Concerns: RSI 70 — overbought, elevated pullback risk. Currently 14.2% off its 52-week high. Score: +4/7.

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TTEK is in a confirmed uptrend, trading above both its 50-day ($31.84) and 200-day ($32.83) moving averages. With an RSI of 70.5, momentum has stretched into overbought territory — short-term pullbacks are common from these levels. The 1-year return of +3.3% compares to +20.5% for SPY (trailed the market by 17.2%).

$10,000 invested 1 year ago → $10,332 today
vs. S&P 500 (SPY) — same period trailed market by 17.2%

1-Year Price Chart

Daily candles
MA-50 MA-200 Up Down

Signal Check

Above 200-day MA ($32.83)
Above 50-day MA ($31.84)
!RSI(14) neutral zone (30–70) — currently 70.5
Positive return (+3.3%)
!Within 10% of period high (−14.2%)
Period Range $37.00
$25.81 $43.14
RSI (14) 70.5
0 · OversoldOverbought · 100

Key Metrics

Price$37.00
Period Return+3.3%
Period High$43.14
Period Low$25.81
Drawdown−14.2%
MA-50$31.84
MA-200$32.83
RSI (14)70.5
Avg Volume (30d)2.9M
vs. SPYtrailed by 17.2%
Return Rank#550 of 999

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