STRL vs TTEK
As of Sep 20, 2026, Sterling Infrastructure (STRL) scores 6.3/10 and Tetra Tech (TTEK) 6.8/10 on AlphaStocks' five-model composite, so TTEK scores higher. STRL trades 87% above its model fair value; TTEK trades 47% above its model fair value.
STRL
STERLING INFRASTRUCTURE, INC.
6.3
Consider Buy
$518.84
TTEK
TETRA TECH INC
6.8
Consider Buy
$35.69
STRL vs TTEK: Which is the Better Investment?
STERLING INFRASTRUCTURE, INC. (STRL) scores 6.3/10 while TETRA TECH INC (TTEK) scores 6.8/10 on AlphaStocks' composite model. TETRA TECH INC has the higher composite rating of Consider Buy. On a P/E basis, TETRA TECH INC trades at 38.5x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | STRL | TTEK |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 6.3/10 | 6.8/10▲ |
| Rating | Consider Buy | Consider Buy▲ |
| Price | $518.84 | $35.69 |
| P/E Ratio | 55.3 | 38.5▲ |
| ROE | 26.9%▲ | 14.1% |
| Market Cap | $16B | $9B |
| Fair Value | $276.83 | $24.30 |
| Dividend Yield | — | 0.8% |
| Sector Rank | #31 of 265 | #15 of 265▲ |
| Model Verdicts | ||
| Piotroski | Attractive | Strong▲ |
| Buffett | Strong | Strong |
| Graham | Caution | Neutral▲ |
| Lynch | Attractive▲ | Neutral |
| Greenblatt | Caution | Attractive▲ |
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STRL vs TTEK: Which Stock Scores Higher?
STERLING INFRASTRUCTURE, INC. (STRL) and TETRA TECH INC (TTEK) are both in the Industrials sector. TTEK currently leads with a composite score of 6.8/10 (Consider Buy) compared to STRL's 6.3/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer