Align Technology, Inc. (ALGN:NASDAQ) closed at $154.51 on October 23, 2026, down 0.64% on the day. The stock trades 22.9% below its 52-week high of $200.44 and 18.6% above its 52-week low of $130.23. Over the past year, it gained 14.3%. Align Technology, Inc. is part of the Health Care sector (Industrial Specialties).
In 252 trading sessions since October 23, 2025, ALGN closed higher on 125 days (50%). Its best day was February 5, 2026 (+8.88%) and its worst was February 12, 2026 (-6.91%). It never moved 10% or more in a single session. It opened at least 5% above the previous day's high 1 time.
Align Technology, Inc. designs, manufactures, and markets a system of clear aligner therapy, intra-oral scanners, and computer-aided design and computer-aided manufacturing (CAD/CAM) digital services. The company's Clear Aligner segment offers Invisalign Full, a treatment used for a range of malocclusion; Invisalign Teen treatment that addresses orthodontic needs of teenage patients, such as compliance indicators, compensation for tooth eruption, and six free single arch replacement aligners; and Invisalign Assist treatment for anterior alignment and aesthetically-oriented cases. It also provides Invisalign Express (10 and 5) and Invisalign Lite/i7 treatments for orthodontic cases, non-comprehensive treatment relapse cases, or straightening prior to restorative or cosmetic treatments; Invisalign Go, a solution for general practitioner dentists (GPs) to identify and treat patients with mild malocclusion; SmileDirectClub aligners for minor tooth movement; custom clear aligner retainers used to maintain tooth position and correct minor relapse; and SmartTrack, a custom-engineered material that delivers force for orthodontic tooth movements. The company's Scanners and Services segment...
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