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$AOSL

Alpha and Omega Semiconductor Limited

XNAS

$26.68-1.69%$0.4600Prev $27.14LIVE Full chart Live alerts
No recent price bars, the chart lights up when AOSL starts printing.

Why is AOSL down today? It is at $26.68 (-1.69%), and our scanner flagged it 59 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment AOSL spikes, and full due diligence on AOSL — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $AOSL 59 times in the last 30 days. Create a free account to track $AOSL, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.

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Key Stats

Price & performance
Price
$26.68
Change today
-1.69%
Previous close
$27.14
52-week range
$17.01 – $54.34
Valuation & dividend
Market cap
$849M
Ownership & volume
Shares outstanding
29.9M
SEC 10-Q · May 6, 2026
Insider ownership
<1%
DEF 14A · 2025-09-18
Institutional own.
85.14%
Total held
85.1%
Tradeable float
4.4M
15% of shares · after <1% insiders + 85% institutions
Short interest
3.3M
▲ +29% vs prior · as of 2026-07-31
Short % of float
74.5%
Days to cover
5.3d
Avg daily volume
534K
Classification
Exchange
XNAS
Relative volumevs this time of day
5m
0.4x
15m
0.4x
1h
0.4x
1D
0.2x

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Why is $AOSL down today?

3 alerts today7.1x RVOL

AOSL is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on AOSL today, peaking at 7.1x its normal volume.

Latest filing4Insider trade (Form 4)Aug 14, 2026 · 6 days ago
Why is $AOSL moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profile⚡ Ultra-low float · 4.4M sh🔥 Heavily shorted · 74% of floatShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201

Insiders

1 buys, 8 sells last 3 months (14/36 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Chang Mike F
Director
Sold (automatic/other)-3.00M
10.0% of company
sold 84%561Kn/aAug 13, 26
Chien Joshua C.
Director
Acquired (grant/award)+1Kn/a1Kn/aJul 20, 26
Xue Bing
Officer
Sold (automatic/other)-875sold 0.7%123K$30K
at $33.99
Jul 16, 26
Chang Mike F
Director
Sold (automatic/other)-24K
0.08% of company
sold 0.7%3.56Mn/aJul 13, 26
Xue Bing
Officer
Sold (automatic/other)-5K
0.02% of company
sold 3.8%124K$231K
at $47.09
Jun 16, 26
Chang Mike F
Director
Sold (automatic/other)-30K
0.1% of company
sold 0.8%3.58Mn/aJun 1, 26
Chang Mike F
Director
Sold (automatic/other)-40K
0.1% of company
sold 1.1%3.61Mn/aMay 26, 26
Chen Claudia
Director
Sold (automatic/other)-4K
0.01% of company
sold 13%28K$160K
at $39.47
May 22, 26
Chang Mike F
Director
Sold (automatic/other)-736K
2.5% of company
sold 17%3.65Mn/aMay 22, 26
Chang Stephen Chunping
Officer
Sold (automatic/other)-2Ksold 0.3%634Kn/aMay 21, 26
Xue Bing
Officer
Sold (automatic/other)-5K
0.02% of company
sold 3.7%128K$202K
at $41.00
May 18, 26
Liang Yifan
Officer
Sold (automatic/other)-300sold 0.1%269Kn/aApr 28, 26

Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.

$AOSL Sentiment

Bearish
Bearish39Bullish
📰 News: 0 bull · 0 bearToday: -1.7%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$AOSL Activity

News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.

Alert· 6h ago -1.41%
$AOSL moved -1.41% in 1 min (Level 1) at 10:33 AM ET
at $26.26
Alert· 6h ago 7.1× RVOL
AOSL hit 7.129x RVOL at 10:33 AM ET
at $26.39
Alert· 9h ago 4.8× RVOL
AOSL hit 4.767x RVOL at 7:14 AM ET
at $27.25
Alert· 1d ago -1.58%
$AOSL moved -1.58% in 1 min (Level 1) at 1:49 PM ET
at $27.26
Alert· 2d ago +2.71%
$AOSL moved +2.71% (~15m high-low range 2.71%) (Level 2) at 9:29 AM ET
at $29.19
Alert· 2d ago 4.1× RVOL
AOSL hit 4.081x RVOL at 9:29 AM ET
at $29.19
Alert· 2d ago -1.48%
$AOSL moved -1.48% in 1 min (Level 1) at 8:15 AM ET
at $29.64
Alert· 2d ago 10.9× RVOL
AOSL hit 10.923x RVOL at 7:29 AM ET
at $30.00
Alert· 3d ago +0.3% vs EMA
$AOSL near 200 EMA: +0.35% from 200 EMA at 2:42 PM ET
at $31.20
Alert· 3d ago 2.2× RVOL
AOSL hit 2.236x RVOL at 2:42 PM ET
at $31.20
Alert· 3d ago +0.7% vs EMA
AOSL 200EMA (1m) Trending · 117 bars · L4 · +0.69% above EMA · slope +0.10%
at $31.27
Alert· 3d ago +2.7% vs EMA
$AOSL near 200 EMA: +2.75% from 200 EMA at 11:55 AM ET
at $31.86
Alert· 3d ago 8.1× RVOL
AOSL hit 8.128x RVOL at 11:55 AM ET
at $31.86
Alert· 3d ago +1.17%
$AOSL moved +1.17% in 1 min (Level 1) at 8:30 AM ET
at $31.91
Alert· 3d ago 6.5× RVOL
AOSL hit 6.452x RVOL at 8:30 AM ET
at $31.54
Alert· 6d ago -1.4% vs EMA
$AOSL near 200 EMA: -1.37% from 200 EMA at 11:58 AM ET
at $29.99
Alert· 6d ago 3.9× RVOL
AOSL hit 3.861x RVOL at 11:58 AM ET
at $29.99
Alert· 6d ago -1.26%
$AOSL moved -1.26% in 1 min (Level 1) at 9:58 AM ET
at $30.75
Alert· 6d ago -3.43%
$AOSL moved -3.43% in 1 min (Level 1) at 9:30 AM ET
at $30.25
Alert· 6d ago 3.5× RVOL
AOSL hit 3.502x RVOL at 9:30 AM ET
at $30.66
Alert· 7d ago 2.3× RVOL
AOSL hit 2.288x RVOL at 3:36 PM ET
at $29.75
Alert· 7d ago +1.93%
$AOSL moved +1.93% in 1 min (Level 1) at 2:01 PM ET
at $30.16
Alert· 7d ago -1.3% vs EMA
$AOSL near 200 EMA: -1.27% from 200 EMA at 1:36 PM ET
at $31.20
Alert· 7d ago -1.92%
$AOSL moved -1.92% in 1 min (Level 1) at 1:36 PM ET
at $31.05
Alert· 7d ago 3.9× RVOL
AOSL hit 3.891x RVOL at 1:36 PM ET
at $31.20

Also moving today

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AOSL stock FAQ

Why is $AOSL down today?

AOSL is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on AOSL today, peaking at 7.1x its normal volume.

What is the AOSL stock price today?

AOSL last traded at $26.68, down 1.69% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live AOSL alerts?

The AOSL Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged AOSL 59 times in the last 30 days.

What exchange is AOSL on?

AOSL (Alpha and Omega Semiconductor Limited) trades on XNAS, with a market cap of about $849M.

Is AOSL good for day trading?

That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge AOSL for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.