ACLS
$112.93+1.55%
Axcelis Technologies Inc.Stock · TechnologyRussell 2000 · 0.2% of IWMRussell 3000 · 0.009% of IWVUS Stock Market · 0.008% of VTINasdaq Composite · 0.007% of ONEQ
Axcelis Technologies Inc. monthly returns
Axcelis Technologies Inc. has averaged 1.95% per month, positive in 52% of months. Month-by-month returns for Axcelis Technologies Inc. (ACLS) below, through October 20, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.9%
310 months
Best month
+62.2%
Sep 2009
Worst month
-74.1%
Oct 2008
Positive months
52%
of all months
Axcelis Technologies Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -13.9% | |
| Sep 2026 | +13.7% | |
| Aug 2026 | -11.5% | |
| Jul 2026 | -31.2% | |
| Jun 2026 | +26.0% | |
| May 2026 | +8.1% | |
| Apr 2026 | +49.5% | |
| Mar 2026 | +12.7% | |
| Feb 2026 | -6.2% | |
| Jan 2026 | +9.6% | |
| Dec 2025 | -2.9% | |
| Nov 2025 | +4.0% | |
| Oct 2025 | -18.5% | |
| Sep 2025 | +22.0% | |
| Aug 2025 | +18.2% | |
| Jul 2025 | -2.9% | |
| Jun 2025 | +23.7% | |
| May 2025 | +15.0% | |
| Apr 2025 | -1.4% | |
| Mar 2025 | -9.3% | |
| Feb 2025 | -19.4% | |
| Jan 2025 | -2.7% | |
| Dec 2024 | -5.9% | |
| Nov 2024 | -13.0% | |
| Oct 2024 | -18.6% | |
| Sep 2024 | -4.1% | |
| Aug 2024 | -13.5% | |
| Jul 2024 | -11.1% | |
| Jun 2024 | +26.4% | |
| May 2024 | +8.7% | |
| Apr 2024 | -7.2% | |
| Mar 2024 | -1.0% | |
| Feb 2024 | -13.4% | |
| Jan 2024 | +0.3% | |
| Dec 2023 | +4.4% | |
| Nov 2023 | -2.5% | |
| Oct 2023 | -21.8% | |
| Sep 2023 | -15.1% | |
| Aug 2023 | -4.2% | |
| Jul 2023 | +9.4% | |
| Jun 2023 | +16.4% | |
| May 2023 | +33.2% | |
| Apr 2023 | -11.2% | |
| Mar 2023 | +3.7% | |
| Feb 2023 | +16.9% | |
| Jan 2023 | +38.5% | |
| Dec 2022 | -0.6% | |
| Nov 2022 | +37.7% | |
| Oct 2022 | -4.2% | |
| Sep 2022 | -9.5% | |
| Aug 2022 | -4.8% | |
| Jul 2022 | +28.2% | |
| Jun 2022 | -11.6% | |
| May 2022 | +14.0% | |
| Apr 2022 | -27.9% | |
| Mar 2022 | +9.1% | |
| Feb 2022 | +10.6% | |
| Jan 2022 | -16.0% | |
| Dec 2021 | +20.6% | |
| Nov 2021 | +12.5% | |
| Oct 2021 | +16.8% | |
| Sep 2021 | -5.4% | |
| Aug 2021 | +28.9% | |
| Jul 2021 | -4.6% | |
| Jun 2021 | -2.5% | |
| May 2021 | -0.2% | |
| Apr 2021 | +1.1% | |
| Mar 2021 | +11.4% | |
| Feb 2021 | +7.7% | |
| Jan 2021 | +17.6% | |
| Dec 2020 | +7.9% | |
| Nov 2020 | +22.2% | |
| Oct 2020 | +0.3% | |
| Sep 2020 | -6.9% | |
| Aug 2020 | -19.7% | |
| Jul 2020 | +5.6% | |
| Jun 2020 | +3.7% | |
| May 2020 | +14.9% | |
| Apr 2020 | +27.6% | |
| Mar 2020 | -23.7% | |
| Feb 2020 | -0.7% | |
| Jan 2020 | +0.2% | |
| Dec 2019 | +12.4% | |
| Nov 2019 | +11.8% | |
| Oct 2019 | +12.2% | |
| Sep 2019 | +11.6% | |
| Aug 2019 | -4.6% | |
| Jul 2019 | +6.6% | |
| Jun 2019 | +1.5% | |
| May 2019 | -30.3% | |
| Apr 2019 | +5.8% | |
| Mar 2019 | -4.3% | |
| Feb 2019 | +0.9% | |
| Jan 2019 | +17.0% | |
| Dec 2018 | -10.6% | |
| Nov 2018 | +15.4% | |
| Oct 2018 | -12.2% | |
| Sep 2018 | -2.7% | |
| Aug 2018 | -8.2% | |
| Jul 2018 | +11.1% | |
| Jun 2018 | -6.8% | |
| May 2018 | -3.4% | |
| Apr 2018 | -10.6% | |
| Mar 2018 | +0.6% | |
| Feb 2018 | -5.6% | |
| Jan 2018 | -9.8% | |
| Dec 2017 | -10.3% | |
| Nov 2017 | -2.7% | |
| Oct 2017 | +20.3% | |
| Sep 2017 | +30.9% | |
| Aug 2017 | -5.9% | |
| Jul 2017 | +6.0% | |
| Jun 2017 | -3.7% | |
| May 2017 | +13.0% | |
| Apr 2017 | +2.4% | |
| Mar 2017 | +21.7% | |
| Feb 2017 | +1.6% | |
| Jan 2017 | +4.5% | |
| Dec 2016 | +6.6% | |
| Nov 2016 | +0.0% |
Monthly total return (since Nov 2021)#
-40%-20%0%20%40%
Nov 2021+13%
Dec 2021+21%
Jan 2022-16%2022
Feb 2022+11%
Mar 2022+9.1%
Apr 2022-28%
May 2022+14%
Jun 2022-12%
Jul 2022+28%
Aug 2022-4.8%
Sep 2022-9.5%
Oct 2022-4.2%
Nov 2022+38%
Dec 2022-0.63%
Jan 2023+39%2023
Feb 2023+17%
Mar 2023+3.7%
Apr 2023-11%
May 2023+33%
Jun 2023+16%
Jul 2023+9.4%
Aug 2023-4.2%
Sep 2023-15%
Oct 2023-22%
Nov 2023-2.5%
Dec 2023+4.4%
Jan 2024+0.28%2024
Feb 2024-13%
Mar 2024-1.0%
Apr 2024-7.2%
May 2024+8.7%
Jun 2024+26%
Jul 2024-11%
Aug 2024-13%
Sep 2024-4.1%
Oct 2024-19%
Nov 2024-13%
Dec 2024-5.9%
Jan 2025-2.7%2025
Feb 2025-19%
Mar 2025-9.3%
Apr 2025-1.4%
May 2025+15%
Jun 2025+24%
Jul 2025-2.9%
Aug 2025+18%
Sep 2025+22%
Oct 2025-19%
Nov 2025+4.0%
Dec 2025-2.9%
Jan 2026+9.6%2026
Feb 2026-6.2%
Mar 2026+13%
Apr 2026+49%
May 2026+8.1%
Jun 2026+26%
Jul 2026-31%
Aug 2026-12%
Sep 2026+14%
Oct 2026-14%
Axcelis Technologies Inc. returns by calendar month#
Every month of every year since 2001, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -13.91% — 20th of 26 Octobers since 2001 at the last close; the average October returned -1.3%.
| Month | −75%0+75% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +5.6% | +2.8% | 65% | +38.5% 2023 | -43.1% 2009 | |
| Feb | +0.3% | -2.6% | 46% | +44.1% 2008 | -20.7% 2011 | |
| Mar | +1.3% | +0.6% | 54% | +25.4% 2001 | -23.7% 2020 | |
| Apr | +2.6% | +0.6% | 58% | +49.5% 2026 | -29.4% 2011 | |
| May | +3.2% | +5.4% | 58% | +33.2% 2023 | -30.3% 2019 | |
| Jun | +1.9% | +1.2% | 54% | +26.4% 2024 | -21.7% 2010 | |
| Jul | -1.2% | +0.2% | 50% | +28.2% 2022 | -31.2% 2026 | |
| Aug | -0.6% | -5.3% | 35% | +34.5% 2009 | -19.7% 2020 | |
| Sep | +0.5% | -2.1% | 42% | +62.2% 2009 | -64.1% 2008 | |
| Oct | -1.3% | +2.8% | 56% | +38.7% 2001 | -74.1% 2008 | |
| Nov | +8.0% | +4.0% | 64% | +51.9% 2002 | -15.1% 2004 | |
| Dec | +3.8% | -0.4% | 48% | +39.5% 2010 | -31.3% 2002 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from ACLS'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 Axcelis Technologies Inc.'s average monthly return?
- Axcelis Technologies Inc. (ACLS) has averaged about 1.95% per month, positive in roughly 52% of months. The best month was Sep 2009 (+62.2%) and the worst was Oct 2008 (-74.1%).
More on Axcelis Technologies Inc.
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100