TTEK
$34.96+0.95%
Tetra Tech Inc.Stock · IndustrialsNasdaq Composite · 0.02% of ONEQRussell 1000 · 0.01% of IWBRussell 3000 · 0.01% of IWVUS Stock Market · 0.01% of VTI
Tetra Tech Inc. monthly returns
Tetra Tech Inc. has averaged 1.76% per month, positive in 57% of months. Month-by-month returns for Tetra Tech Inc. (TTEK) below, through October 20, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.8%
418 months
Best month
+69.9%
Feb 2000
Worst month
-40.7%
Jul 2002
Positive months
57%
of all months
Tetra Tech Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | +6.1% | |
| Sep 2026 | -8.8% | |
| Aug 2026 | +9.2% | |
| Jul 2026 | +14.8% | |
| Jun 2026 | +5.1% | |
| May 2026 | -14.7% | |
| Apr 2026 | +7.3% | |
| Mar 2026 | -16.0% | |
| Feb 2026 | -4.7% | |
| Jan 2026 | +12.3% | |
| Dec 2025 | -3.3% | |
| Nov 2025 | +8.6% | |
| Oct 2025 | -4.2% | |
| Sep 2025 | -8.3% | |
| Aug 2025 | -0.7% | |
| Jul 2025 | +2.2% | |
| Jun 2025 | +2.9% | |
| May 2025 | +12.2% | |
| Apr 2025 | +6.6% | |
| Mar 2025 | +0.2% | |
| Feb 2025 | -20.5% | |
| Jan 2025 | -7.6% | |
| Dec 2024 | -4.0% | |
| Nov 2024 | -15.0% | |
| Oct 2024 | +3.6% | |
| Sep 2024 | -0.8% | |
| Aug 2024 | +12.2% | |
| Jul 2024 | +4.3% | |
| Jun 2024 | -2.4% | |
| May 2024 | +8.3% | |
| Apr 2024 | +5.4% | |
| Mar 2024 | +4.2% | |
| Feb 2024 | +12.9% | |
| Jan 2024 | -5.2% | |
| Dec 2023 | +5.6% | |
| Nov 2023 | +5.6% | |
| Oct 2023 | -0.7% | |
| Sep 2023 | -3.4% | |
| Aug 2023 | -6.2% | |
| Jul 2023 | +3.3% | |
| Jun 2023 | +19.1% | |
| May 2023 | +0.3% | |
| Apr 2023 | -5.8% | |
| Mar 2023 | +7.3% | |
| Feb 2023 | -11.3% | |
| Jan 2023 | +7.1% | |
| Dec 2022 | -6.1% | |
| Nov 2022 | +10.2% | |
| Oct 2022 | +9.9% | |
| Sep 2022 | -5.4% | |
| Aug 2022 | -10.7% | |
| Jul 2022 | +12.2% | |
| Jun 2022 | +1.2% | |
| May 2022 | -2.2% | |
| Apr 2022 | -15.6% | |
| Mar 2022 | +3.9% | |
| Feb 2022 | +14.8% | |
| Jan 2022 | -18.0% | |
| Dec 2021 | -7.6% | |
| Nov 2021 | +5.1% | |
| Oct 2021 | +17.6% | |
| Sep 2021 | +3.8% | |
| Aug 2021 | +8.5% | |
| Jul 2021 | +9.4% | |
| Jun 2021 | +2.2% | |
| May 2021 | -5.6% | |
| Apr 2021 | -6.0% | |
| Mar 2021 | -1.9% | |
| Feb 2021 | +14.5% | |
| Jan 2021 | +5.0% | |
| Dec 2020 | -2.9% | |
| Nov 2020 | +19.0% | |
| Oct 2020 | +5.7% | |
| Sep 2020 | +3.5% | |
| Aug 2020 | +5.1% | |
| Jul 2020 | +12.0% | |
| Jun 2020 | +0.3% | |
| May 2020 | +6.1% | |
| Apr 2020 | +6.6% | |
| Mar 2020 | -12.7% | |
| Feb 2020 | -4.8% | |
| Jan 2020 | -0.7% | |
| Dec 2019 | -2.4% | |
| Nov 2019 | +1.8% | |
| Oct 2019 | +0.8% | |
| Sep 2019 | +7.0% | |
| Aug 2019 | +3.4% | |
| Jul 2019 | +0.8% | |
| Jun 2019 | +16.3% | |
| May 2019 | +5.5% | |
| Apr 2019 | +8.6% | |
| Mar 2019 | -0.7% | |
| Feb 2019 | +9.9% | |
| Jan 2019 | +6.6% | |
| Dec 2018 | -15.1% | |
| Nov 2018 | -6.8% | |
| Oct 2018 | -3.3% | |
| Sep 2018 | -2.1% | |
| Aug 2018 | +15.8% | |
| Jul 2018 | +3.9% | |
| Jun 2018 | +6.5% | |
| May 2018 | +14.8% | |
| Apr 2018 | -1.1% | |
| Mar 2018 | +0.0% | |
| Feb 2018 | -0.4% | |
| Jan 2018 | +3.2% | |
| Dec 2017 | -3.7% | |
| Nov 2017 | +2.5% | |
| Oct 2017 | +5.8% | |
| Sep 2017 | +9.3% | |
| Aug 2017 | -9.1% | |
| Jul 2017 | +3.7% | |
| Jun 2017 | -0.4% | |
| May 2017 | +5.7% | |
| Apr 2017 | +7.6% | |
| Mar 2017 | +1.5% | |
| Feb 2017 | -6.9% | |
| Jan 2017 | +1.3% | |
| Dec 2016 | +0.7% | |
| Nov 2016 | +12.6% |
Monthly total return (since Nov 2021)#
-20%-10%0%10%20%
Nov 2021+5.1%
Dec 2021-7.6%
Jan 2022-18%2022
Feb 2022+15%
Mar 2022+3.9%
Apr 2022-16%
May 2022-2.2%
Jun 2022+1.2%
Jul 2022+12%
Aug 2022-11%
Sep 2022-5.4%
Oct 2022+9.9%
Nov 2022+10%
Dec 2022-6.1%
Jan 2023+7.1%2023
Feb 2023-11%
Mar 2023+7.3%
Apr 2023-5.8%
May 2023+0.26%
Jun 2023+19%
Jul 2023+3.3%
Aug 2023-6.2%
Sep 2023-3.4%
Oct 2023-0.74%
Nov 2023+5.6%
Dec 2023+5.6%
Jan 2024-5.2%2024
Feb 2024+13%
Mar 2024+4.2%
Apr 2024+5.4%
May 2024+8.3%
Jun 2024-2.4%
Jul 2024+4.3%
Aug 2024+12%
Sep 2024-0.82%
Oct 2024+3.6%
Nov 2024-15%
Dec 2024-4.0%
Jan 2025-7.6%2025
Feb 2025-21%
Mar 2025+0.21%
Apr 2025+6.6%
May 2025+12%
Jun 2025+2.9%
Jul 2025+2.2%
Aug 2025-0.69%
Sep 2025-8.3%
Oct 2025-4.2%
Nov 2025+8.6%
Dec 2025-3.3%
Jan 2026+12%2026
Feb 2026-4.7%
Mar 2026-16%
Apr 2026+7.3%
May 2026-15%
Jun 2026+5.1%
Jul 2026+15%
Aug 2026+9.2%
Sep 2026-8.8%
Oct 2026+6.1%
Tetra Tech Inc. returns by calendar month#
Every month of every year since 1992, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: +6.10% — 13th of 35 Octobers since 1992 at the last close; the average October returned +3.7%.
| Month | −70%0+70% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | -1.9% | -0.6% | 46% | +21.0% 1993 | -27.6% 2001 | |
| Feb | +1.2% | +0.7% | 51% | +69.9% 2000 | -26.0% 1997 | |
| Mar | +0.7% | +2.6% | 63% | +17.0% 2001 | -23.9% 2005 | |
| Apr | +2.1% | +2.8% | 57% | +20.6% 2001 | -22.6% 2004 | |
| May | +3.6% | +3.0% | 63% | +40.4% 1997 | -14.7% 2026 | |
| Jun | +1.0% | +0.5% | 54% | +20.6% 1997 | -14.7% 2013 | |
| Jul | +1.8% | +3.3% | 63% | +27.0% 2008 | -40.7% 2002 | |
| Aug | +2.1% | +1.4% | 57% | +29.1% 1994 | -14.7% 1993 | |
| Sep | +2.3% | +2.8% | 57% | +34.7% 1998 | -28.7% 2004 | |
| Oct | +3.7% | +3.7% | 65% | +21.7% 2000 | -9.7% 1998 | |
| Nov | +2.7% | +2.6% | 68% | +39.6% 2002 | -28.3% 1999 | |
| Dec | +1.6% | -1.9% | 41% | +35.2% 1999 | -15.1% 2018 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from TTEK's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Tetra Tech Inc.'s average monthly return?
- Tetra Tech Inc. (TTEK) has averaged about 1.76% per month, positive in roughly 57% of months. The best month was Feb 2000 (+69.9%) and the worst was Jul 2002 (-40.7%).
More on Tetra Tech Inc.
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100