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ISIN
BMG6331P1041
CUSIP
G6331P104
IPO Date
Apr 29, 2010

Highlights

Market Cap
$1.35B
Enterprise Value
$1.20B
EPS (TTM)
-$2.58
Total Revenue (TTM)
$685.04M
Gross Profit (TTM)
$153.49M
EBITDA (TTM)
-$23.38M
Year Range
$17.01 - $54.34
Target Price
$36.00
ROA (TTM)
-7.89%
ROE (TTM)
-9.63%

Share Price Chart


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Performance

AOSL Performance Chart

Alpha and Omega Semiconductor Limited (AOSL) is up 127.5% since the beginning of the year. At $45 per share, AOSL is trading 17.1% below its 52-week high of $54. Investors who bought $1,000 worth of AOSL shares 5 years ago would now be looking at an investment worth $1,507.


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S&P 500 Index

Returns By Period

Alpha and Omega Semiconductor Limited (AOSL) has returned 127.51% so far this year and 84.79% over the past 12 months. Over the last ten years, AOSL has returned 12.12% per year, falling short of the S&P 500 Index benchmark, which averaged 13.71% annually.


Alpha and Omega Semiconductor Limited

1D
-8.69%
1M
8.03%
YTD
127.51%
6M
123.89%
1Y
84.79%
3Y*
14.65%
5Y*
8.55%
10Y*
12.12%

Benchmark (S&P 500 Index)

1D
-1.44%
1M
-1.45%
YTD
7.60%
6M
6.59%
1Y
22.24%
3Y*
19.20%
5Y*
11.54%
10Y*
13.71%
*Multi-year figures are annualized to reflect compound growth (CAGR)

AOSL Monthly Returns History

Based on dividend-adjusted daily data since Apr 29, 2010, AOSL's average daily return is +0.08%, while the average monthly return is +1.65%. At this rate, an investment would double in approximately 3.5 years.

Historically, 52% of months were positive and 48% were negative. The best month was Apr 2026 with a return of +96.0%, while the worst month was Mar 2020 at -40.9%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 5 months.

On a daily basis, AOSL closed higher 49% of trading days. The best single day was Nov 21, 2024 with a return of +32.9%, while the worst single day was Nov 6, 2025 at -27.5%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
202611.56%-4.93%5.47%95.98%4.42%-0.62%127.51%
20253.75%-21.19%-17.90%-24.26%12.69%20.92%-0.74%12.96%-2.82%0.36%-27.73%-2.32%-46.50%
2024-1.53%-14.65%0.64%-0.77%34.02%27.50%10.78%0.99%-11.22%-10.99%25.51%-10.71%42.10%
202315.37%-18.96%0.90%-11.39%15.95%18.45%0.24%-4.05%-5.42%-20.51%-9.82%21.83%-8.79%
2022-25.64%19.41%1.64%-21.50%2.40%-24.11%26.00%-7.97%-20.43%6.47%7.11%-18.56%-52.82%
202121.57%22.44%-7.08%-4.89%3.57%-5.65%-14.48%11.77%7.99%10.46%41.76%23.29%156.18%

Benchmark Metrics

Alpha and Omega Semiconductor Limited has an annualized alpha of 1.65%, beta of 1.53, and R2 of 0.22 versus S&P 500 Index. Calculated based on daily prices since April 29, 2010.

  • This stock participated in 143.30% of S&P 500 Index downside but only 115.84% of its upside - more exposed to losses than it benefited from rallies.
  • R2 of 0.22 means this stock moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
1.65%
Beta
1.53
0.22
Upside Capture
115.84%
Downside Capture
143.30%

Return for Risk

Risk / Return Rank

AOSL ranks 73 for risk / return — better than 73% of stocks on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.


AOSL Risk / Return Rank: 7373
Overall Rank
AOSL Sharpe Ratio Rank: 7474
Sharpe Ratio Rank
AOSL Sortino Ratio Rank: 7272
Sortino Ratio Rank
AOSL Omega Ratio Rank: 7575
Omega Ratio Rank
AOSL Calmar Ratio Rank: 7474
Calmar Ratio Rank
AOSL Martin Ratio Rank: 7171
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Alpha and Omega Semiconductor Limited (AOSL) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


AOSLBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.71

Sortino ratioReturn per unit of downside risk

-0.69

Omega ratioGain probability vs. loss probability

1.25

1.32

-0.07

Calmar ratioReturn relative to maximum drawdown

1.88

2.46

-0.58

Martin ratioReturn relative to average drawdown

3.68

10.92

-7.24

Dividends

Dividend History


Alpha and Omega Semiconductor Limited doesn't pay dividends

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Alpha and Omega Semiconductor Limited. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Alpha and Omega Semiconductor Limited was 75.27%, occurring on Apr 21, 2025. The portfolio has not yet recovered.

The current Alpha and Omega Semiconductor Limited drawdown is 31.42%.


Related event

Drawdown

Fall

Recovery

Underwater

2025 selloff2025
-75.27%Apr 2025
3y 28d
4y 3moMar 2022 - now
COVID crash2020
-74.90%Mar 2020
3y 3mo8mo 8d
3y 12moNov 2016 - Nov 2020
2014 bear market2014
-62.29%Feb 2014
3y 9mo2y 6mo
6y 3moApr 2010 - Aug 2016
2021 bear market2021
-39.56%Jul 2021
5mo 11d3mo 11d
8mo 22dFeb 2021 - Nov 2021
Bear market2022
-34.85%Jan 2022
23d1mo 24d
2mo 17dJan 2022 - Mar 2022

Drawdown Indicators


AOSLBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-75.27%

-56.78%

-18.49%

Max Drawdown (1Y)

Largest decline over 1 year

-45.32%

-9.10%

-36.22%

Max Drawdown (3Y)

Largest decline over 3 years

-66.94%

-18.90%

-48.04%

Max Drawdown (5Y)

Largest decline over 5 years

-75.27%

-25.43%

-49.84%

Max Drawdown (10Y)

Largest decline over 10 years

-75.27%

-33.92%

-41.35%

Current Drawdown

Current decline from peak

-31.42%

-3.21%

-28.21%

Average Drawdown

Average peak-to-trough decline

-43.43%

-10.71%

-32.72%

Ulcer Index

Depth and duration of drawdowns from previous peaks

23.12%

2.04%

+21.08%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Financials

Financial Performance

The chart below illustrates the trends in the financial health of Alpha and Omega Semiconductor Limited over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.


Annual
Quarterly

0.0

Valuation

The Valuation section provides an overview of how Alpha and Omega Semiconductor Limited is priced in the market compared to other companies in the Semiconductors industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.


PS Ratio

This chart shows the Price-to-Sales (P/S) ratio for AOSL relative to other companies in the Semiconductors industry. Currently, AOSL has a P/S ratio of 2.0. This P/S ratio is low compared to the industry average. It may indicate that the stock is undervalued relative to its revenue, or that the market expects slower growth or lower margins.

PB Ratio

The chart illustrates the Price-to-Book (P/B) ratio for AOSL in comparison with other companies in the Semiconductors industry. Currently, AOSL has a P/B value of 1.7. This P/B ratio is low compared to industry peers. It might indicate the stock is undervalued or that the company’s assets are not expected to generate strong returns.

Income Statement



TTM
Revenue

Total Revenue

Cost Of Revenue

Gross Profit

Operating Expenses

Selling, General & Admin Expenses

R&D Expenses

Depreciation And Amortization

Total Operating Expenses

Income

Income Before Tax

Operating Income

EBITDA

EBIT

Earnings From Continuing Operations

Net Income

Income Tax Expense

Other Non-Operating Income (Expenses)

Extraordinary Items

Discontinued Operations

Effect Of Accounting Charges

Non Recurring

Minority Interest

Other Items

Interest Income

Interest Expense

Net Interest Income

Values in undefined except per share items
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