Tetra Tech Inc. (TTEK)
Showing Closing Date Range from Oct 21, 2025 to Oct 21, 2026 compared to Oct 20, 2024 to Oct 20, 2025.
Compare Last 12 Months with Previous Period
Investor Relations:investor.tetratech.com
Current Period Close
$34.96
Oct 21, 2025 - Oct 21, 2026
Previous Period Close
$33.38
Oct 20, 2024 - Oct 20, 2025
Net Comparison Delta
+$1.58 (+4.73%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(245 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 20, 2026 | $34.96 | Oct 13, 2025 | $34.57 | +1.13% |
| Oct 19, 2026 | $34.63 | Oct 10, 2025 | $33.98 | +1.91% |
| Oct 16, 2026 | $34.72 | Oct 09, 2025 | $34.30 | +1.22% |
| Oct 15, 2026 | $34.78 | Oct 08, 2025 | $34.84 | -0.17% |
| Oct 14, 2026 | $33.61 | Oct 07, 2025 | $34.25 | -1.87% |
| Oct 13, 2026 | $33.54 | Oct 06, 2025 | $33.87 | -0.97% |
| Oct 12, 2026 | $33.49 | Oct 03, 2025 | $33.74 | -0.74% |
| Oct 09, 2026 | $33.34 | Oct 02, 2025 | $33.68 | -1.01% |
| Oct 08, 2026 | $33.41 | Oct 01, 2025 | $33.19 | +0.66% |
| Oct 07, 2026 | $32.72 | Sep 30, 2025 | $33.38 | -1.98% |
| Oct 06, 2026 | $33.38 | Sep 29, 2025 | $33.63 | -0.74% |
| Oct 05, 2026 | $33.33 | Sep 26, 2025 | $33.33 | +0.00% |
| Oct 02, 2026 | $33.12 | Sep 25, 2025 | $33.10 | +0.06% |
| Sep 24, 2026 | $34.06 | Sep 24, 2025 | $33.64 | +1.25% |
| Sep 23, 2026 | $34.90 | Sep 23, 2025 | $34.28 | +1.81% |
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