TER
$323.68+4.75%
as of close, Oct 27, 2026
☾ AH $323.68 +4.75%
Teradyne Inc. monthly returns
Teradyne Inc. has averaged 2.04% per month, positive in 55% of months. Month-by-month returns for Teradyne Inc. (TER) below, through October 27, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+2.0%
466 months
Best month
+78.1%
Oct 1998
Worst month
-46.0%
Sep 2000
Positive months
55%
of all months
Teradyne Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -19.3% | |
| Sep 2026 | +14.6% | |
| Aug 2026 | -4.9% | |
| Jul 2026 | -23.1% | |
| Jun 2026 | +27.8% | |
| May 2026 | +9.0% | |
| Apr 2026 | +15.9% | |
| Mar 2026 | -7.4% | |
| Feb 2026 | +32.8% | |
| Jan 2026 | +24.5% | |
| Dec 2025 | +6.4% | |
| Nov 2025 | +0.1% | |
| Oct 2025 | +32.1% | |
| Sep 2025 | +16.5% | |
| Aug 2025 | +10.1% | |
| Jul 2025 | +19.5% | |
| Jun 2025 | +14.4% | |
| May 2025 | +6.1% | |
| Apr 2025 | -10.2% | |
| Mar 2025 | -24.8% | |
| Feb 2025 | -5.0% | |
| Jan 2025 | -8.0% | |
| Dec 2024 | +14.5% | |
| Nov 2024 | +3.7% | |
| Oct 2024 | -20.7% | |
| Sep 2024 | -2.0% | |
| Aug 2024 | +4.2% | |
| Jul 2024 | -11.6% | |
| Jun 2024 | +5.2% | |
| May 2024 | +21.3% | |
| Apr 2024 | +3.1% | |
| Mar 2024 | +8.9% | |
| Feb 2024 | +7.4% | |
| Jan 2024 | -11.0% | |
| Dec 2023 | +17.7% | |
| Nov 2023 | +10.9% | |
| Oct 2023 | -17.1% | |
| Sep 2023 | -6.9% | |
| Aug 2023 | -4.4% | |
| Jul 2023 | +1.4% | |
| Jun 2023 | +11.1% | |
| May 2023 | +9.8% | |
| Apr 2023 | -15.0% | |
| Mar 2023 | +6.3% | |
| Feb 2023 | -0.4% | |
| Jan 2023 | +16.4% | |
| Dec 2022 | -6.5% | |
| Nov 2022 | +15.0% | |
| Oct 2022 | +8.3% | |
| Sep 2022 | -11.2% | |
| Aug 2022 | -16.0% | |
| Jul 2022 | +12.7% | |
| Jun 2022 | -18.0% | |
| May 2022 | +3.7% | |
| Apr 2022 | -10.8% | |
| Mar 2022 | +0.3% | |
| Feb 2022 | +0.5% | |
| Jan 2022 | -28.2% | |
| Dec 2021 | +7.0% | |
| Nov 2021 | +10.7% | |
| Oct 2021 | +26.6% | |
| Sep 2021 | -10.1% | |
| Aug 2021 | -4.3% | |
| Jul 2021 | -5.2% | |
| Jun 2021 | +1.2% | |
| May 2021 | +5.9% | |
| Apr 2021 | +2.8% | |
| Mar 2021 | -5.4% | |
| Feb 2021 | +13.4% | |
| Jan 2021 | -5.3% | |
| Dec 2020 | +8.7% | |
| Nov 2020 | +25.7% | |
| Oct 2020 | +10.6% | |
| Sep 2020 | -6.4% | |
| Aug 2020 | -4.5% | |
| Jul 2020 | +5.3% | |
| Jun 2020 | +26.1% | |
| May 2020 | +7.3% | |
| Apr 2020 | +15.5% | |
| Mar 2020 | -7.8% | |
| Feb 2020 | -10.8% | |
| Jan 2020 | -3.2% | |
| Dec 2019 | +8.9% | |
| Nov 2019 | +2.4% | |
| Oct 2019 | +5.7% | |
| Sep 2019 | +9.5% | |
| Aug 2019 | -5.0% | |
| Jul 2019 | +16.3% | |
| Jun 2019 | +13.7% | |
| May 2019 | -13.8% | |
| Apr 2019 | +23.0% | |
| Mar 2019 | -2.4% | |
| Feb 2019 | +13.7% | |
| Jan 2019 | +14.7% | |
| Dec 2018 | -12.1% | |
| Nov 2018 | +3.9% | |
| Oct 2018 | -6.8% | |
| Sep 2018 | -10.0% | |
| Aug 2018 | -4.8% | |
| Jul 2018 | +13.6% | |
| Jun 2018 | +0.4% | |
| May 2018 | +16.7% | |
| Apr 2018 | -28.8% | |
| Mar 2018 | +0.7% | |
| Feb 2018 | -0.8% | |
| Jan 2018 | +9.5% | |
| Dec 2017 | +3.5% | |
| Nov 2017 | -5.5% | |
| Oct 2017 | +15.0% | |
| Sep 2017 | +4.9% | |
| Aug 2017 | +2.9% | |
| Jul 2017 | +15.2% | |
| Jun 2017 | -15.5% | |
| May 2017 | +1.0% | |
| Apr 2017 | +13.4% | |
| Mar 2017 | +9.4% | |
| Feb 2017 | +0.5% | |
| Jan 2017 | +11.7% | |
| Dec 2016 | +4.2% | |
| Nov 2016 | +4.9% |
Monthly total return (since Nov 2021)#
-30%-20%-10%0%10%20%30%
Nov 2021+11%
Dec 2021+7.0%
Jan 2022-28%2022
Feb 2022+0.51%
Mar 2022+0.26%
Apr 2022-11%
May 2022+3.7%
Jun 2022-18%
Jul 2022+13%
Aug 2022-16%
Sep 2022-11%
Oct 2022+8.3%
Nov 2022+15%
Dec 2022-6.5%
Jan 2023+16%2023
Feb 2023-0.45%
Mar 2023+6.3%
Apr 2023-15%
May 2023+9.8%
Jun 2023+11%
Jul 2023+1.4%
Aug 2023-4.4%
Sep 2023-6.9%
Oct 2023-17%
Nov 2023+11%
Dec 2023+18%
Jan 2024-11%2024
Feb 2024+7.4%
Mar 2024+8.9%
Apr 2024+3.1%
May 2024+21%
Jun 2024+5.2%
Jul 2024-12%
Aug 2024+4.2%
Sep 2024-2.0%
Oct 2024-21%
Nov 2024+3.7%
Dec 2024+14%
Jan 2025-8.0%2025
Feb 2025-5.0%
Mar 2025-25%
Apr 2025-10%
May 2025+6.1%
Jun 2025+14%
Jul 2025+19%
Aug 2025+10%
Sep 2025+17%
Oct 2025+32%
Nov 2025+0.15%
Dec 2025+6.4%
Jan 2026+25%2026
Feb 2026+33%
Mar 2026-7.4%
Apr 2026+16%
May 2026+9.0%
Jun 2026+28%
Jul 2026-23%
Aug 2026-4.9%
Sep 2026+15%
Oct 2026-19%
Teradyne Inc. returns by calendar month#
Every month of every year since 1988, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -19.26% — 36th of 39 Octobers since 1988 at the last close; the average October returned +4.3%.
| Month | −80%0+80% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +3.8% | +4.1% | 51% | +53.4% 1999 | -28.2% 2022 | |
| Feb | +3.6% | +3.7% | 62% | +34.4% 2000 | -28.7% 2001 | |
| Mar | +0.2% | +0.4% | 54% | +18.3% 1990 | -24.8% 2025 | |
| Apr | +1.3% | +1.4% | 51% | +35.6% 2009 | -28.8% 2018 | |
| May | +4.7% | +5.9% | 67% | +47.8% 2003 | -21.8% 2000 | |
| Jun | +0.6% | -0.6% | 46% | +35.9% 1999 | -21.5% 1989 | |
| Jul | -0.8% | -2.9% | 46% | +29.7% 2005 | -36.2% 2002 | |
| Aug | -0.9% | -3.5% | 44% | +24.7% 1991 | -25.7% 1990 | |
| Sep | -3.6% | -2.0% | 38% | +24.1% 2010 | -46.0% 2000 | |
| Oct | +4.3% | +5.8% | 58% | +78.1% 1998 | -34.7% 2008 | |
| Nov | +5.1% | +4.4% | 63% | +55.9% 1990 | -25.7% 2008 | |
| Dec | +7.0% | +4.5% | 76% | +51.5% 1999 | -20.6% 2002 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from TER'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 Teradyne Inc.'s average monthly return?
- Teradyne Inc. (TER) has averaged about 2.04% per month, positive in roughly 55% of months. The best month was Oct 1998 (+78.1%) and the worst was Sep 2000 (-46.0%).
More on Teradyne Inc.
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100