Alpha and Omega Semiconductor Stock Price History
NASDAQ: AOSLTechnologySemiconductorsUSD
27.87-0.54 (-1.90%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
AOSL price history at a glance
The price history for Alpha and Omega Semiconductor (AOSL) on this page begins on April 26, 2010, when the stock closed at $17.91; it most recently closed at $27.87 on October 5, 2026. The highest price in this record is $69.99, reached on March 28, 2022; the latest close is 60.2% below that peak. Across the 15 complete calendar years in the table, AOSL finished higher in 8 and lower in 7. Its best year was 2021 (+156.2%) and its worst was 2022 (-52.8%).
Over roughly 16 years the share price changed +55.6%, a 2.7% compound annual price return (excluding dividends). In the last 12 months alone, AOSL has gained 8.6%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2010
- $69.99
- Date of high
- Mar 28, 2022
- Low since 2010
- $5.82
- Date of low
- Mar 23, 2020
- 52-week high
- $54.34
- 52-week low
- $17.01
- IPO year
- 2010
- Last close
- $27.87
AOSL returns
1 week
-7.84%
1 month
+9.25%
3 months
-25.80%
6 months
+7.27%
Year to date
+40.69%
1 year
+8.61%
3 years
+1.83%
5 years
-12.36%
AOSL price return, excluding dividends.
AOSL annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 27.87 | +34.90% |
| 2025 | 20.66 | -46.52% |
| 2024 | 38.63 | +48.23% |
| 2023 | 26.06 | -8.79% |
| 2022 | 28.57 | -52.82% |
| 2021 | 60.56 | +156.18% |
| 2020 | 23.64 | +74.85% |
| 2019 | 13.52 | +29.50% |
| 2018 | 10.44 | -36.19% |
| 2017 | 16.36 | -23.08% |
| 2016 | 21.27 | +131.45% |
| 2015 | 9.19 | +3.96% |
| 2014 | 8.84 | +14.81% |
| 2013 | 7.70 | -12.20% |
| 2012 | 8.77 | +19.97% |
| 2011 | 7.31 | -43.02% |
| 2010* | 12.83 | -28.36% |
* Partial year: the record begins after the start of 2010; return measured from the first available close.
2026 return is year to date.
AOSL daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 28.97 | 29.16 | 27.34 | 27.87 | -1.90% | |
| 28.59 | 29.29 | 27.82 | 28.41 | -2.84% | |
| 28.91 | 29.50 | 28.62 | 29.24 | -2.34% | |
| 29.42 | 30.25 | 28.99 | 29.94 | +3.24% | |
| 29.84 | 29.99 | 28.81 | 29.00 | -4.10% | |
| 29.98 | 30.89 | 29.61 | 30.24 | +4.85% | |
| 27.53 | 28.91 | 27.18 | 28.84 | +4.87% | |
| 27.61 | 27.86 | 27.01 | 27.50 | -0.40% | |
| 28.10 | 28.12 | 27.37 | 27.61 | +0.91% | |
| 27.83 | 27.89 | 26.61 | 27.36 | -2.04% | |
| 27.72 | 28.19 | 27.37 | 27.93 | +2.27% | |
| 27.08 | 27.35 | 26.41 | 27.31 | -1.44% | |
| 28.11 | 28.22 | 27.05 | 27.71 | -2.02% | |
| 26.05 | 28.32 | 25.77 | 28.28 | +7.65% | |
| 26.22 | 26.38 | 25.32 | 26.27 | +3.43% | |
| 25.31 | 25.63 | 25.07 | 25.40 | +0.75% | |
| 25.61 | 25.75 | 24.82 | 25.21 | +2.06% | |
| 25.05 | 25.15 | 24.21 | 24.70 | -0.24% | |
| 24.56 | 24.89 | 23.87 | 24.76 | +2.23% | |
| 24.33 | 24.77 | 24.00 | 24.22 | -6.05% | |
| 25.35 | 26.14 | 25.11 | 25.78 | +3.91% | |
| 24.49 | 25.09 | 24.28 | 24.81 | -2.74% | |
| 25.23 | 26.05 | 25.23 | 25.51 | 0.00% | |
| 26.01 | 26.25 | 25.40 | 25.51 | +1.23% | |
| 24.95 | 25.40 | 24.75 | 25.20 | +3.07% | |
| 24.28 | 24.87 | 23.50 | 24.45 | -0.69% | |
| 23.64 | 24.78 | 23.50 | 24.62 | +4.15% | |
| 23.93 | 24.10 | 23.35 | 23.64 | -4.14% | |
| 24.63 | 25.04 | 24.15 | 24.66 | +0.12% | |
| 26.02 | 26.02 | 24.49 | 24.63 | -6.10% | |
| 26.98 | 26.98 | 25.95 | 26.23 | +0.11% | |
| 26.77 | 26.77 | 26.01 | 26.20 | -1.58% | |
| 26.53 | 26.96 | 25.75 | 26.62 | +2.82% | |
| 26.01 | 26.63 | 25.03 | 25.89 | -1.89% | |
| 26.66 | 26.74 | 25.77 | 26.39 | +0.65% | |
| 27.00 | 27.63 | 25.99 | 26.22 | -3.39% | |
| 28.45 | 28.90 | 26.86 | 27.14 | -4.37% | |
| 29.22 | 29.68 | 27.79 | 28.38 | -8.66% | |
| 31.38 | 31.92 | 30.43 | 31.07 | +0.97% | |
| 30.66 | 31.46 | 29.76 | 30.77 | +0.49% | |
| 29.94 | 34.13 | 29.40 | 30.62 | -15.60% | |
| 36.94 | 37.00 | 35.76 | 36.28 | +4.13% | |
| 34.97 | 35.96 | 34.45 | 34.84 | +0.81% | |
| 35.90 | 36.47 | 34.26 | 34.56 | -4.21% | |
| 34.40 | 36.28 | 34.07 | 36.08 | +8.25% | |
| 32.53 | 34.64 | 31.08 | 33.33 | +2.43% | |
| 33.12 | 34.14 | 32.48 | 32.54 | -3.67% | |
| 33.80 | 34.31 | 32.40 | 33.78 | +7.34% | |
| 31.05 | 32.69 | 30.47 | 31.47 | -0.85% | |
| 32.61 | 33.15 | 30.78 | 31.74 | +2.03% | |
| 29.52 | 31.25 | 29.10 | 31.11 | +12.31% | |
| 28.76 | 29.56 | 27.01 | 27.70 | -3.99% | |
| 28.93 | 29.65 | 27.17 | 28.85 | -6.39% | |
| 31.33 | 31.55 | 28.82 | 30.82 | -0.10% | |
| 33.37 | 33.37 | 30.78 | 30.85 | -8.75% | |
| 33.76 | 34.75 | 33.24 | 33.81 | -2.71% | |
| 33.92 | 35.43 | 33.91 | 34.75 | -0.69% | |
| 33.28 | 35.11 | 32.74 | 34.99 | +11.40% | |
| 31.88 | 32.08 | 30.88 | 31.41 | +0.45% | |
| 29.51 | 32.20 | 28.79 | 31.27 | +1.82% | |
| 33.99 | 34.39 | 30.47 | 30.71 | -13.13% | |
| 35.31 | 36.07 | 32.40 | 35.35 | +1.55% | |
| 37.05 | 37.07 | 34.28 | 34.81 | +0.35% | |
| 35.72 | 36.40 | 34.30 | 34.69 | -7.64% | |
| 37.33 | 38.02 | 36.43 | 37.56 | -1.11% | |
| 39.71 | 40.19 | 37.86 | 37.98 | +1.63% | |
| 34.73 | 37.56 | 34.59 | 37.37 | +7.48% | |
| 35.11 | 35.73 | 33.60 | 34.77 | -9.07% | |
| 38.30 | 40.17 | 38.04 | 38.24 | +3.05% | |
| 43.72 | 44.12 | 36.73 | 37.11 | -14.73% | |
| 45.32 | 45.38 | 42.80 | 43.52 | -8.05% | |
| 45.63 | 47.89 | 45.23 | 47.33 | +4.69% | |
| 43.57 | 45.79 | 40.64 | 45.21 | +2.77% | |
| 42.76 | 44.21 | 41.70 | 43.99 | -3.74% | |
| 46.64 | 46.82 | 42.25 | 45.70 | +8.86% | |
| 45.22 | 45.22 | 40.82 | 41.98 | -6.86% | |
| 44.02 | 47.62 | 43.83 | 45.07 | -8.69% | |
| 50.13 | 51.36 | 48.10 | 49.36 | +2.75% | |
| 45.54 | 49.13 | 45.54 | 48.04 | +11.33% | |
| 46.50 | 47.78 | 43.00 | 43.15 | -4.47% | |
| 47.09 | 49.30 | 44.91 | 45.17 | -4.62% | |
| 48.40 | 49.09 | 46.78 | 47.36 | +4.76% | |
| 43.91 | 46.11 | 43.01 | 45.21 | +4.34% | |
| 39.56 | 43.44 | 39.25 | 43.33 | +12.22% | |
| 40.56 | 42.30 | 37.78 | 38.61 | -5.90% | |
| 45.69 | 45.69 | 37.79 | 41.03 | -7.17% | |
| 44.90 | 46.50 | 43.08 | 44.20 | +5.21% | |
| 48.10 | 48.10 | 41.91 | 42.01 | -16.40% | |
| 49.01 | 52.47 | 47.38 | 50.25 | -4.69% | |
| 53.68 | 54.34 | 48.00 | 52.72 | -1.13% | |
| 45.50 | 53.38 | 45.50 | 53.32 | +21.51% | |
| 43.92 | 46.66 | 43.13 | 43.88 | -3.24% | |
| 49.45 | 49.95 | 44.66 | 45.35 | -8.09% | |
| 48.47 | 51.35 | 44.92 | 49.34 | +0.98% | |
| 50.83 | 51.14 | 46.00 | 48.86 | +2.03% | |
| 44.98 | 49.21 | 44.11 | 47.89 | +14.79% | |
| 39.50 | 42.70 | 39.14 | 41.72 | +6.67% | |
| 40.05 | 41.27 | 38.75 | 39.11 | -3.67% | |
| 39.40 | 40.96 | 38.72 | 40.60 | +5.13% | |
| 37.03 | 39.48 | 36.35 | 38.62 | +0.21% | |
| 40.89 | 41.69 | 37.72 | 38.54 | -0.85% | |
| 38.74 | 39.36 | 37.50 | 38.87 | -5.43% | |
| 41.42 | 41.97 | 39.98 | 41.10 | -1.18% | |
| 39.85 | 43.60 | 38.73 | 41.59 | +10.26% | |
| 37.67 | 37.90 | 35.00 | 37.72 | -2.33% | |
| 38.71 | 39.80 | 37.12 | 38.62 | +1.90% | |
| 37.34 | 39.28 | 37.06 | 37.90 | +1.23% | |
| 39.13 | 41.20 | 35.47 | 37.44 | -24.10% | |
| 44.25 | 49.97 | 43.50 | 49.33 | +12.75% | |
| 42.81 | 45.42 | 41.41 | 43.75 | +3.72% | |
| 43.19 | 43.99 | 41.00 | 42.18 | -2.09% | |
| 43.69 | 44.74 | 41.47 | 43.08 | -0.81% | |
| 40.69 | 43.50 | 39.50 | 43.43 | +8.41% | |
| 40.48 | 40.99 | 38.20 | 40.06 | +1.24% | |
| 38.60 | 40.20 | 37.56 | 39.57 | -6.54% | |
| 44.80 | 45.43 | 40.88 | 42.34 | -4.75% | |
| 43.11 | 45.97 | 40.90 | 44.45 | +11.46% | |
| 40.70 | 41.98 | 38.89 | 39.88 | -1.97% | |
| 41.25 | 45.22 | 38.26 | 40.68 | +3.99% | |
| 39.84 | 41.70 | 38.04 | 39.12 | -1.95% | |
| 35.66 | 41.84 | 34.53 | 39.90 | +17.77% | |
| 32.02 | 35.70 | 31.30 | 33.88 | +8.55% | |
| 31.00 | 31.70 | 30.10 | 31.21 | 0.00% | |
| 30.09 | 31.83 | 29.15 | 31.21 | +2.73% | |
| 27.73 | 32.40 | 27.51 | 30.38 | +10.92% | |
| 26.00 | 27.49 | 25.96 | 27.39 | +5.43% | |
| 25.55 | 26.32 | 25.38 | 25.98 | +2.81% | |
| 24.38 | 25.40 | 24.38 | 25.27 | +3.65% | |
| 24.50 | 24.87 | 23.82 | 24.38 | +5.68% | |
| 23.15 | 23.30 | 22.48 | 23.07 | -0.52% | |
| 22.63 | 23.46 | 22.60 | 23.19 | +2.11% | |
| 22.01 | 23.19 | 21.60 | 22.71 | -0.57% | |
| 22.43 | 23.35 | 22.37 | 22.84 | +3.07% | |
| 21.32 | 22.18 | 20.78 | 22.16 | +6.39% | |
| 22.38 | 22.53 | 20.76 | 20.83 | -5.53% | |
| 22.23 | 22.39 | 21.54 | 22.05 | -2.30% | |
| 22.84 | 23.46 | 22.47 | 22.57 | -3.17% | |
| 23.06 | 23.71 | 23.04 | 23.31 | +2.87% | |
| 21.46 | 22.93 | 21.46 | 22.66 | +3.66% | |
| 21.50 | 22.03 | 21.35 | 21.86 | +5.00% | |
| 21.66 | 21.74 | 20.71 | 20.82 | -3.74% | |
| 20.50 | 22.06 | 20.34 | 21.63 | +2.37% | |
| 21.25 | 21.42 | 20.86 | 21.13 | -0.42% | |
| 21.52 | 21.89 | 21.00 | 21.22 | -0.98% | |
| 21.92 | 22.12 | 21.43 | 21.43 | -0.37% | |
| 21.35 | 21.90 | 21.19 | 21.51 | +1.46% | |
| 21.07 | 21.45 | 20.78 | 21.20 | -1.85% | |
| 21.45 | 21.84 | 20.67 | 21.60 | +7.36% | |
| 19.79 | 20.63 | 19.77 | 20.12 | +1.36% | |
| 19.42 | 19.94 | 19.00 | 19.85 | -0.05% | |
| 19.31 | 20.12 | 19.31 | 19.86 | -1.39% | |
| 20.22 | 20.69 | 19.95 | 20.14 | -1.37% | |
| 20.72 | 21.00 | 20.25 | 20.42 | -0.34% | |
| 20.59 | 20.96 | 20.05 | 20.49 | -5.05% | |
| 20.37 | 21.61 | 20.37 | 21.58 | +2.71% | |
| 21.43 | 21.43 | 20.81 | 21.01 | -4.24% | |
| 22.65 | 22.99 | 21.72 | 21.94 | -3.05% | |
| 22.05 | 22.80 | 22.01 | 22.63 | +2.63% | |
| 22.31 | 22.70 | 21.92 | 22.05 | +0.96% | |
| 22.29 | 22.30 | 21.53 | 21.84 | -2.41% | |
| 21.88 | 22.94 | 21.69 | 22.38 | +0.49% | |
| 21.91 | 22.31 | 21.59 | 22.27 | -0.36% | |
| 22.85 | 22.85 | 21.81 | 22.35 | -1.59% | |
| 22.33 | 23.08 | 21.67 | 22.71 | +0.26% | |
| 20.64 | 22.85 | 20.47 | 22.65 | +9.58% | |
| 21.15 | 21.51 | 20.19 | 20.67 | -1.38% | |
| 20.54 | 21.53 | 20.54 | 20.96 | +4.28% | |
| 21.08 | 21.15 | 20.04 | 20.10 | -4.19% | |
| 21.12 | 21.99 | 20.57 | 20.98 | -1.78% | |
| 18.01 | 22.20 | 17.01 | 21.36 | -5.11% | |
| 22.25 | 22.80 | 21.46 | 22.51 | +1.08% | |
| 22.55 | 23.39 | 21.80 | 22.27 | 0.00% | |
| 22.59 | 22.89 | 21.19 | 22.27 | -0.40% | |
| 21.76 | 23.23 | 21.76 | 22.36 | +1.18% | |
| 22.16 | 22.79 | 21.96 | 22.10 | -1.78% | |
| 22.45 | 22.85 | 21.43 | 22.50 | +0.13% | |
| 22.72 | 23.36 | 22.33 | 22.47 | +0.99% | |
| 22.13 | 22.75 | 22.10 | 22.25 | +1.41% | |
| 22.03 | 22.24 | 21.81 | 21.94 | -0.41% | |
| 22.95 | 23.02 | 21.80 | 22.03 | -4.92% | |
| 23.49 | 23.75 | 23.09 | 23.17 | +0.87% | |
| 22.13 | 23.50 | 22.00 | 22.97 | +6.00% | |
| 21.64 | 22.27 | 21.37 | 21.67 | -3.73% | |
| 22.81 | 23.35 | 22.41 | 22.51 | +0.09% | |
| 22.43 | 22.81 | 22.40 | 22.49 | +2.23% | |
| 22.10 | 22.35 | 21.86 | 22.00 | -0.72% | |
| 22.29 | 22.56 | 22.05 | 22.16 | -0.27% | |
| 21.77 | 22.36 | 21.51 | 22.22 | +0.63% | |
| 22.24 | 22.39 | 21.58 | 22.08 | +0.55% | |
| 21.69 | 22.16 | 21.33 | 21.96 | -0.09% | |
| 22.40 | 22.40 | 21.40 | 21.98 | -2.79% | |
| 21.52 | 22.63 | 21.36 | 22.61 | +5.90% | |
| 21.13 | 22.17 | 21.12 | 21.35 | +3.34% | |
| 20.39 | 20.89 | 20.36 | 20.66 | +4.29% | |
| 19.98 | 20.20 | 19.74 | 19.81 | -0.80% | |
| 20.18 | 20.20 | 19.94 | 19.97 | -0.70% | |
| 19.84 | 20.25 | 19.84 | 20.11 | -0.15% | |
| 20.30 | 20.48 | 20.06 | 20.14 | -0.35% | |
| 20.14 | 20.33 | 20.00 | 20.21 | +0.40% | |
| 20.19 | 20.43 | 20.00 | 20.13 | -0.89% | |
| 20.54 | 21.06 | 20.20 | 20.31 | -0.15% | |
| 20.11 | 20.55 | 20.09 | 20.34 | +1.19% | |
| 20.64 | 20.85 | 19.99 | 20.10 | +0.25% | |
| 20.17 | 20.42 | 19.82 | 20.05 | -0.59% | |
| 19.84 | 20.45 | 19.71 | 20.17 | +0.40% | |
| 20.56 | 20.75 | 19.98 | 20.09 | -1.28% | |
| 21.58 | 21.65 | 20.02 | 20.35 | -6.22% | |
| 21.94 | 22.15 | 21.56 | 21.70 | -2.34% | |
| 21.80 | 22.63 | 21.71 | 22.22 | +2.02% | |
| 21.37 | 21.96 | 21.21 | 21.78 | +0.55% | |
| 21.67 | 22.02 | 21.45 | 21.66 | +1.98% | |
| 21.70 | 21.86 | 21.20 | 21.24 | -1.12% | |
| 21.51 | 21.75 | 21.21 | 21.48 | -1.10% | |
| 20.66 | 21.83 | 20.41 | 21.72 | +5.18% | |
| 20.41 | 21.04 | 20.25 | 20.65 | +3.25% | |
| 19.87 | 20.39 | 19.87 | 20.00 | -1.38% | |
| 20.27 | 20.59 | 20.00 | 20.28 | +0.10% | |
| 20.60 | 21.15 | 20.18 | 20.26 | -1.55% | |
| 19.61 | 20.59 | 19.50 | 20.58 | +4.26% | |
| 18.82 | 19.89 | 18.75 | 19.74 | +5.90% | |
| 18.07 | 19.05 | 17.87 | 18.64 | +2.59% | |
| 18.96 | 19.36 | 18.09 | 18.17 | -2.00% | |
| 17.84 | 19.03 | 17.84 | 18.54 | +4.16% | |
| 17.15 | 18.00 | 17.02 | 17.80 | +1.89% | |
| 18.30 | 18.46 | 17.34 | 17.47 | -5.36% | |
| 18.16 | 18.91 | 18.10 | 18.46 | -2.02% | |
| 19.73 | 20.75 | 18.68 | 18.84 | -0.84% | |
| 19.19 | 19.30 | 18.66 | 19.00 | +0.37% | |
| 19.71 | 19.71 | 18.84 | 18.93 | -4.97% | |
| 21.18 | 21.24 | 19.75 | 19.92 | -1.97% | |
| 20.38 | 20.74 | 19.46 | 20.32 | +3.41% | |
| 20.09 | 21.95 | 18.13 | 19.65 | -27.49% | |
| 26.53 | 27.38 | 26.13 | 27.10 | +3.04% | |
| 27.48 | 27.77 | 26.20 | 26.30 | -7.39% | |
| 28.33 | 28.83 | 27.57 | 28.40 | +1.21% | |
| 28.05 | 28.26 | 27.58 | 28.06 | -0.14% | |
| 28.46 | 28.85 | 27.80 | 28.10 | -2.06% | |
| 30.23 | 30.31 | 28.34 | 28.69 | -3.53% | |
| 30.48 | 30.52 | 29.61 | 29.74 | -2.65% | |
| 30.85 | 31.38 | 30.39 | 30.55 | +0.99% | |
| 30.36 | 30.93 | 29.99 | 30.25 | +3.17% | |
| 28.61 | 29.55 | 28.21 | 29.32 | +2.59% | |
| 30.19 | 31.33 | 28.10 | 28.58 | -8.75% | |
| 31.76 | 32.07 | 31.02 | 31.32 | -1.97% | |
| 30.76 | 33.01 | 30.76 | 31.95 | +4.89% | |
| 30.35 | 31.11 | 30.00 | 30.46 | -1.71% | |
| 31.61 | 31.90 | 30.80 | 30.99 | -0.80% | |
| 31.07 | 31.94 | 30.64 | 31.24 | +3.68% | |
| 28.71 | 31.31 | 28.52 | 30.13 | +2.38% | |
| 27.04 | 30.00 | 26.85 | 29.43 | +14.69% | |
| 28.37 | 28.47 | 25.63 | 25.66 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the AOSL chart for longer ranges.