ACM
$58.99+1.67%
AECOM monthly returns
AECOM has averaged 0.82% per month, positive in 56% of months. Month-by-month returns for AECOM (ACM) below, through October 20, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+0.8%
226 months
Best month
+50.3%
Nov 2008
Worst month
-33.6%
Mar 2020
Positive months
56%
of all months
AECOM monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | +0.6% | |
| Sep 2026 | -12.6% | |
| Aug 2026 | -6.9% | |
| Jul 2026 | +4.2% | |
| Jun 2026 | +0.6% | |
| May 2026 | -17.5% | |
| Apr 2026 | -0.5% | |
| Mar 2026 | -13.4% | |
| Feb 2026 | +1.6% | |
| Jan 2026 | +1.5% | |
| Dec 2025 | -7.6% | |
| Nov 2025 | -23.2% | |
| Oct 2025 | +3.2% | |
| Sep 2025 | +4.5% | |
| Aug 2025 | +10.8% | |
| Jul 2025 | +0.1% | |
| Jun 2025 | +2.7% | |
| May 2025 | +11.4% | |
| Apr 2025 | +6.7% | |
| Mar 2025 | -7.3% | |
| Feb 2025 | -5.1% | |
| Jan 2025 | -1.1% | |
| Dec 2024 | -8.7% | |
| Nov 2024 | +9.5% | |
| Oct 2024 | +3.6% | |
| Sep 2024 | +3.1% | |
| Aug 2024 | +10.5% | |
| Jul 2024 | +3.1% | |
| Jun 2024 | +0.9% | |
| May 2024 | -5.4% | |
| Apr 2024 | -5.6% | |
| Mar 2024 | +10.4% | |
| Feb 2024 | +0.7% | |
| Jan 2024 | -4.4% | |
| Dec 2023 | +4.0% | |
| Nov 2023 | +16.1% | |
| Oct 2023 | -7.6% | |
| Sep 2023 | -5.4% | |
| Aug 2023 | +0.9% | |
| Jul 2023 | +2.9% | |
| Jun 2023 | +8.5% | |
| May 2023 | -6.0% | |
| Apr 2023 | -1.3% | |
| Mar 2023 | -2.4% | |
| Feb 2023 | -1.0% | |
| Jan 2023 | +3.0% | |
| Dec 2022 | -0.1% | |
| Nov 2022 | +12.9% | |
| Oct 2022 | +10.3% | |
| Sep 2022 | -6.5% | |
| Aug 2022 | +1.6% | |
| Jul 2022 | +10.6% | |
| Jun 2022 | -6.6% | |
| May 2022 | -1.0% | |
| Apr 2022 | -8.0% | |
| Mar 2022 | +5.7% | |
| Feb 2022 | +5.1% | |
| Jan 2022 | -10.5% | |
| Dec 2021 | +12.2% | |
| Nov 2021 | +0.8% | |
| Oct 2021 | +8.3% | |
| Sep 2021 | -3.7% | |
| Aug 2021 | +4.1% | |
| Jul 2021 | -0.6% | |
| Jun 2021 | -2.6% | |
| May 2021 | -2.1% | |
| Apr 2021 | +3.6% | |
| Mar 2021 | +10.7% | |
| Feb 2021 | +15.5% | |
| Jan 2021 | +0.6% | |
| Dec 2020 | -4.1% | |
| Nov 2020 | +15.7% | |
| Oct 2020 | +7.2% | |
| Sep 2020 | +5.9% | |
| Aug 2020 | +9.2% | |
| Jul 2020 | -3.7% | |
| Jun 2020 | -3.1% | |
| May 2020 | +6.9% | |
| Apr 2020 | +21.5% | |
| Mar 2020 | -33.6% | |
| Feb 2020 | -6.8% | |
| Jan 2020 | +11.8% | |
| Dec 2019 | -0.5% | |
| Nov 2019 | +8.3% | |
| Oct 2019 | +6.5% | |
| Sep 2019 | +5.9% | |
| Aug 2019 | -1.3% | |
| Jul 2019 | -5.0% | |
| Jun 2019 | +18.7% | |
| May 2019 | -5.9% | |
| Apr 2019 | +14.3% | |
| Mar 2019 | -4.2% | |
| Feb 2019 | +1.1% | |
| Jan 2019 | +15.5% | |
| Dec 2018 | -17.6% | |
| Nov 2018 | +10.4% | |
| Oct 2018 | -10.8% | |
| Sep 2018 | -2.9% | |
| Aug 2018 | +0.2% | |
| Jul 2018 | +1.6% | |
| Jun 2018 | +0.1% | |
| May 2018 | -4.2% | |
| Apr 2018 | -3.3% | |
| Mar 2018 | +0.3% | |
| Feb 2018 | -9.2% | |
| Jan 2018 | +5.3% | |
| Dec 2017 | -0.9% | |
| Nov 2017 | +7.0% | |
| Oct 2017 | -4.8% | |
| Sep 2017 | +9.9% | |
| Aug 2017 | +5.0% | |
| Jul 2017 | -1.3% | |
| Jun 2017 | +0.7% | |
| May 2017 | -6.1% | |
| Apr 2017 | -3.9% | |
| Mar 2017 | -2.1% | |
| Feb 2017 | -1.6% | |
| Jan 2017 | +1.6% | |
| Dec 2016 | +0.0% | |
| Nov 2016 | +30.5% |
Monthly total return (since Nov 2021)#
-20%-10%0%10%20%
Nov 2021+0.83%
Dec 2021+12%
Jan 2022-10%2022
Feb 2022+5.1%
Mar 2022+5.7%
Apr 2022-8.0%
May 2022-1.0%
Jun 2022-6.6%
Jul 2022+11%
Aug 2022+1.6%
Sep 2022-6.5%
Oct 2022+10%
Nov 2022+13%
Dec 2022-0.08%
Jan 2023+3.0%2023
Feb 2023-1.0%
Mar 2023-2.4%
Apr 2023-1.3%
May 2023-6.0%
Jun 2023+8.5%
Jul 2023+2.9%
Aug 2023+0.86%
Sep 2023-5.4%
Oct 2023-7.6%
Nov 2023+16%
Dec 2023+4.0%
Jan 2024-4.4%2024
Feb 2024+0.73%
Mar 2024+10%
Apr 2024-5.6%
May 2024-5.4%
Jun 2024+0.92%
Jul 2024+3.1%
Aug 2024+11%
Sep 2024+3.1%
Oct 2024+3.6%
Nov 2024+9.5%
Dec 2024-8.7%
Jan 2025-1.1%2025
Feb 2025-5.1%
Mar 2025-7.3%
Apr 2025+6.7%
May 2025+11%
Jun 2025+2.7%
Jul 2025+0.12%
Aug 2025+11%
Sep 2025+4.5%
Oct 2025+3.2%
Nov 2025-23%
Dec 2025-7.6%
Jan 2026+1.5%2026
Feb 2026+1.6%
Mar 2026-13%
Apr 2026-0.49%
May 2026-18%
Jun 2026+0.62%
Jul 2026+4.2%
Aug 2026-6.9%
Sep 2026-13%
Oct 2026+0.59%
AECOM returns by calendar month#
Every month of every year since 2008, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: +0.59% — 12th of 19 Octobers since 2008 at the last close; the average October returned +0.5%.
| Month | −55%0+55% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | -0.8% | +0.6% | 53% | +15.5% 2019 | -17.6% 2009 | |
| Feb | +2.7% | +0.7% | 63% | +18.5% 2013 | -9.2% 2018 | |
| Mar | -0.4% | +0.3% | 58% | +12.1% 2016 | -33.6% 2020 | |
| Apr | +1.5% | -0.5% | 47% | +21.5% 2020 | -11.4% 2013 | |
| May | -0.9% | -1.2% | 37% | +24.0% 2009 | -26.2% 2012 | |
| Jun | +0.6% | +0.3% | 68% | +18.7% 2019 | -9.1% 2010 | |
| Jul | +0.6% | +1.3% | 58% | +11.7% 2016 | -12.5% 2008 | |
| Aug | +0.5% | +0.9% | 58% | +19.6% 2012 | -15.4% 2009 | |
| Sep | -2.0% | -1.0% | 47% | +9.9% 2017 | -23.5% 2008 | |
| Oct | +0.5% | +2.4% | 61% | +18.4% 2011 | -27.9% 2008 | |
| Nov | +7.9% | +7.5% | 78% | +50.3% 2008 | -23.2% 2025 | |
| Dec | +0.1% | -0.3% | 44% | +16.0% 2008 | -17.6% 2018 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from ACM'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 AECOM's average monthly return?
- AECOM (ACM) has averaged about 0.82% per month, positive in roughly 56% of months. The best month was Nov 2008 (+50.3%) and the worst was Mar 2020 (-33.6%).
More on AECOM
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100