Tetra Tech Inc. (TTEK)
Showing Closing Date Range from Apr 23 to Oct 20, 2026 compared to Oct 24, 2025 to Apr 22, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:investor.tetratech.com
Current Period Close
$34.63
Apr 23, 2026 - Oct 20, 2026
Previous Period Close
$31.47
Oct 24, 2025 - Apr 22, 2026
Net Comparison Delta
+$3.16 (+10.04%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(118 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 19, 2026 | $34.63 | Apr 15, 2026 | $31.66 | +9.38% |
| Oct 16, 2026 | $34.72 | Apr 14, 2026 | $31.39 | +10.61% |
| Oct 15, 2026 | $34.78 | Apr 13, 2026 | $31.04 | +12.05% |
| Oct 14, 2026 | $33.61 | Apr 10, 2026 | $30.19 | +11.33% |
| Oct 13, 2026 | $33.54 | Apr 09, 2026 | $30.85 | +8.72% |
| Oct 12, 2026 | $33.49 | Apr 08, 2026 | $30.94 | +8.24% |
| Oct 09, 2026 | $33.34 | Apr 07, 2026 | $30.91 | +7.86% |
| Oct 08, 2026 | $33.41 | Apr 06, 2026 | $31.19 | +7.12% |
| Oct 07, 2026 | $32.72 | Apr 02, 2026 | $31.07 | +5.31% |
| Oct 06, 2026 | $33.38 | Apr 01, 2026 | $30.73 | +8.62% |
| Oct 05, 2026 | $33.33 | Mar 31, 2026 | $30.12 | +10.66% |
| Oct 02, 2026 | $33.12 | Mar 30, 2026 | $29.76 | +11.29% |
| Sep 24, 2026 | $34.06 | Mar 27, 2026 | $29.78 | +14.37% |
| Sep 23, 2026 | $34.90 | Mar 26, 2026 | $30.41 | +14.76% |
| Sep 21, 2026 | $35.96 | Mar 25, 2026 | $31.61 | +13.76% |
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