$ALGN
Align Technology Inc
XNAS•Health Care•Orthopedic, Prosthetic & Surgical Appliances & Supplies
Why is ALGN down today? It is at $171.96 (-1.64%), and our scanner flagged it 21 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ALGN spikes, and full due diligence on ALGN — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $171.96
- Change today
- -1.64%
- Previous close
- $174.83
- 52-week range
- $122.00 – $200.44
- Market cap
- $12.52B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 4.8M ▲ +3% vs prior · as of 2026-07-15
- Days to cover
- 5.3d
- Avg daily volume
- 1.2M
- Sector
- Health Care
- Industry
- Orthopedic, Prosthetic & Surgical Appliances & Supplies
- Exchange
- XNAS
- 5m
- 0.2x
- 15m
- 0.5x
- 1h
- 0.5x
- 1D
- 0.1x
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Why is $ALGN down today?
Here is the latest on ALGN from our scanner (live price and day move above). Fresh from the SEC: ALIGN TECHNOLOGY INC filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.
Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
$ALGN Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$ALGN Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.


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ALGN stock FAQ
Why is $ALGN down today?
Here is the latest on ALGN from our scanner (live price and day move above). Fresh from the SEC: ALIGN TECHNOLOGY INC filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.
What is the ALGN stock price today?
ALGN last traded at $171.96, down 1.64% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live ALGN alerts?
The ALGN 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 ALGN 21 times in the last 30 days.
What exchange is ALGN on?
ALGN (Align Technology Inc) trades on XNAS, with a market cap of about $12.52B in the ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES sector.
Is ALGN 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 ALGN for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.