SIMO
$213.70-1.63%
Silicon Motion Technology Corporation American Depositary SharesStock · Technology
Silicon Motion Technology Corporation American Depositary Shares monthly returns
Silicon Motion Technology Corporation American Depositary Shares has averaged 2.47% per month, positive in 54% of months. Month-by-month returns for Silicon Motion Technology Corporation American Depositary Shares (SIMO) below, through October 20, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+2.5%
250 months
Best month
+94.8%
Apr 2026
Worst month
-48.8%
Jul 2008
Positive months
54%
of all months
Silicon Motion Technology Corporation American Depositary Shares monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -23.7% | |
| Sep 2026 | +13.4% | |
| Aug 2026 | -2.5% | |
| Jul 2026 | -23.9% | |
| Jun 2026 | +20.4% | |
| May 2026 | +26.8% | |
| Apr 2026 | +94.8% | |
| Mar 2026 | -13.1% | |
| Feb 2026 | +9.1% | |
| Jan 2026 | +28.3% | |
| Dec 2025 | +4.2% | |
| Nov 2025 | -8.8% | |
| Oct 2025 | +3.5% | |
| Sep 2025 | +19.0% | |
| Aug 2025 | +4.8% | |
| Jul 2025 | +1.8% | |
| Jun 2025 | +22.8% | |
| May 2025 | +24.8% | |
| Apr 2025 | -2.1% | |
| Mar 2025 | -9.9% | |
| Feb 2025 | +3.7% | |
| Jan 2025 | +1.0% | |
| Dec 2024 | +1.8% | |
| Nov 2024 | -0.4% | |
| Oct 2024 | -11.4% | |
| Sep 2024 | -4.5% | |
| Aug 2024 | -7.7% | |
| Jul 2024 | -14.3% | |
| Jun 2024 | +3.7% | |
| May 2024 | +6.5% | |
| Apr 2024 | -4.1% | |
| Mar 2024 | +8.7% | |
| Feb 2024 | +13.2% | |
| Jan 2024 | +2.8% | |
| Dec 2023 | +4.2% | |
| Nov 2023 | +10.7% | |
| Oct 2023 | +4.5% | |
| Sep 2023 | -5.6% | |
| Aug 2023 | -14.3% | |
| Jul 2023 | -11.8% | |
| Jun 2023 | +17.3% | |
| May 2023 | -3.8% | |
| Apr 2023 | -2.9% | |
| Mar 2023 | -2.5% | |
| Feb 2023 | +4.9% | |
| Jan 2023 | -1.4% | |
| Dec 2022 | +3.0% | |
| Nov 2022 | +18.0% | |
| Oct 2022 | -17.9% | |
| Sep 2022 | -15.5% | |
| Aug 2022 | -9.0% | |
| Jul 2022 | +1.9% | |
| Jun 2022 | -7.3% | |
| May 2022 | +19.6% | |
| Apr 2022 | +13.6% | |
| Mar 2022 | -7.9% | |
| Feb 2022 | -7.6% | |
| Jan 2022 | -16.9% | |
| Dec 2021 | +37.7% | |
| Nov 2021 | -2.6% | |
| Oct 2021 | +3.5% | |
| Sep 2021 | -7.6% | |
| Aug 2021 | +0.0% | |
| Jul 2021 | +17.0% | |
| Jun 2021 | -2.8% | |
| May 2021 | -7.7% | |
| Apr 2021 | +20.9% | |
| Mar 2021 | -0.1% | |
| Feb 2021 | +21.0% | |
| Jan 2021 | +2.6% | |
| Dec 2020 | +21.3% | |
| Nov 2020 | +6.2% | |
| Oct 2020 | -0.1% | |
| Sep 2020 | -0.3% | |
| Aug 2020 | -7.6% | |
| Jul 2020 | -15.2% | |
| Jun 2020 | +8.2% | |
| May 2020 | +3.4% | |
| Apr 2020 | +19.9% | |
| Mar 2020 | -1.5% | |
| Feb 2020 | -18.3% | |
| Jan 2020 | -9.5% | |
| Dec 2019 | +14.5% | |
| Nov 2019 | +6.2% | |
| Oct 2019 | +19.0% | |
| Sep 2019 | +9.5% | |
| Aug 2019 | -10.0% | |
| Jul 2019 | -18.4% | |
| Jun 2019 | +16.5% | |
| May 2019 | +0.4% | |
| Apr 2019 | -3.5% | |
| Mar 2019 | -3.5% | |
| Feb 2019 | +6.2% | |
| Jan 2019 | +13.0% | |
| Dec 2018 | -3.8% | |
| Nov 2018 | -3.8% | |
| Oct 2018 | -30.0% | |
| Sep 2018 | -8.8% | |
| Aug 2018 | +11.0% | |
| Jul 2018 | +0.9% | |
| Jun 2018 | +8.8% | |
| May 2018 | +8.3% | |
| Apr 2018 | -6.0% | |
| Mar 2018 | +2.7% | |
| Feb 2018 | -5.0% | |
| Jan 2018 | -6.2% | |
| Dec 2017 | +2.3% | |
| Nov 2017 | +7.6% | |
| Oct 2017 | +0.8% | |
| Sep 2017 | +5.3% | |
| Aug 2017 | +11.5% | |
| Jul 2017 | -14.8% | |
| Jun 2017 | -7.7% | |
| May 2017 | +8.1% | |
| Apr 2017 | +3.9% | |
| Mar 2017 | +15.2% | |
| Feb 2017 | +4.3% | |
| Jan 2017 | -8.0% | |
| Dec 2016 | -7.6% | |
| Nov 2016 | +13.8% |
Monthly total return (since Nov 2021)#
-50%0%50%
Nov 2021-2.6%
Dec 2021+38%
Jan 2022-17%2022
Feb 2022-7.6%
Mar 2022-7.9%
Apr 2022+14%
May 2022+20%
Jun 2022-7.3%
Jul 2022+1.9%
Aug 2022-9.0%
Sep 2022-15%
Oct 2022-18%
Nov 2022+18%
Dec 2022+3.0%
Jan 2023-1.4%2023
Feb 2023+4.9%
Mar 2023-2.5%
Apr 2023-2.9%
May 2023-3.8%
Jun 2023+17%
Jul 2023-12%
Aug 2023-14%
Sep 2023-5.6%
Oct 2023+4.5%
Nov 2023+11%
Dec 2023+4.2%
Jan 2024+2.8%2024
Feb 2024+13%
Mar 2024+8.7%
Apr 2024-4.1%
May 2024+6.5%
Jun 2024+3.7%
Jul 2024-14%
Aug 2024-7.7%
Sep 2024-4.5%
Oct 2024-11%
Nov 2024-0.43%
Dec 2024+1.8%
Jan 2025+1.0%2025
Feb 2025+3.7%
Mar 2025-9.9%
Apr 2025-2.1%
May 2025+25%
Jun 2025+23%
Jul 2025+1.8%
Aug 2025+4.8%
Sep 2025+19%
Oct 2025+3.5%
Nov 2025-8.8%
Dec 2025+4.2%
Jan 2026+28%2026
Feb 2026+9.1%
Mar 2026-13%
Apr 2026+95%
May 2026+27%
Jun 2026+20%
Jul 2026-24%
Aug 2026-2.5%
Sep 2026+13%
Oct 2026-24%
Silicon Motion Technology Corporation American Depositary Shares returns by calendar month#
Every month of every year since 2006, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -23.68% — 19th of 21 Octobers since 2006 at the last close; the average October returned -2.3%.
| Month | −95%0+95% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +6.9% | +2.8% | 62% | +34.7% 2006 | -16.9% 2022 | |
| Feb | +1.4% | +0.1% | 52% | +63.3% 2011 | -26.7% 2009 | |
| Mar | +3.1% | -0.1% | 48% | +50.5% 2010 | -15.8% 2006 | |
| Apr | +12.6% | +7.7% | 57% | +94.8% 2026 | -12.1% 2012 | |
| May | +5.0% | +3.4% | 67% | +26.8% 2026 | -20.4% 2012 | |
| Jun | +4.4% | +4.2% | 62% | +23.1% 2014 | -25.2% 2008 | |
| Jul | -5.8% | +0.9% | 52% | +17.0% 2021 | -48.8% 2008 | |
| Aug | -0.7% | -2.5% | 38% | +18.0% 2007 | -14.3% 2023 | |
| Sep | +2.0% | +4.2% | 57% | +19.0% 2025 | -37.1% 2008 | |
| Oct | -2.3% | -2.4% | 40% | +45.2% 2011 | -30.0% 2018 | |
| Nov | +0.4% | +2.4% | 50% | +20.5% 2013 | -25.7% 2010 | |
| Dec | +3.6% | +2.7% | 65% | +37.7% 2021 | -21.6% 2008 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from SIMO'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 Silicon Motion Technology Corporation American Depositary Shares's average monthly return?
- Silicon Motion Technology Corporation American Depositary Shares (SIMO) has averaged about 2.47% per month, positive in roughly 54% of months. The best month was Apr 2026 (+94.8%) and the worst was Jul 2008 (-48.8%).
More on Silicon Motion Technology Corporation American Depositary Shares
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100