Tandem Diabetes Care, Inc. (TNDM:NASDAQ) closed at $16.91 on November 6, 2026, down 6.00% on the day. The stock trades 43.0% below its 52-week high of $29.65 and 37.9% above its 52-week low of $12.26. Over the past year, it gained 4.0%. Tandem Diabetes Care, Inc. is part of the Health Care sector (Medical/Dental Instruments).
In 252 trading sessions since November 6, 2025, TNDM closed higher on 117 days (46%). Its best day was February 20, 2026 (+32.67%) and its worst was May 8, 2026 (-16.19%). The stock moved 10% or more in a single session 7 times. It opened at least 5% above the previous day's high 5 times.
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States. The company's flagship product is the t:slim X2 insulin delivery system that comprises t:slim X2 pump, its disposable insulin cartridge, and an infusion set. It also provides t:flex insulin delivery system that includes t:flex pump, its 480-unit disposable insulin cartridge, and an infusion set; and t:slim G4 insulin delivery system, a touch-screen pump with an integrated CGM system. In addition, the company offers Tandem Device Updater, a PC and Mac-compatible Web-based system that allows users to update their pump's software; t:connect diabetes management application, a cloud-based data management application, which provides a visual way to display therapy management data from the pump and supported blood glucose meters for users, their caregivers, and their healthcare providers; t:90 and t:30 infusion sets for use with its insulin pump products; and various pump accessories. Its products in development include t:slim X2 with G5 integration; automated insulin delivery systems; t:slim X2 with PLGS; t:slim X2 w...
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Based on end-of-day data. For information only, not investment advice.