DXCM · Analysis updated Nov 10, 2026, 6:00 PM ET

Why is DexCom, Inc. (DXCM) stock moving?

DexCom beat Q3 2026 estimates on revenue ($1.344B vs $1.327B) and adjusted EPS ($0.73 vs $0.67), raised its FY2026 sales guidance floor to $5.200B, and authorized a $1B buyback, roughly 3% of its ~$29.7B market cap. Several brokers raised targets afterward, ranging from JP Morgan's Neutral $85 to Barclays' Overweight $120, with UBS at Buy $107 and Canaccord at Buy $97. Health Canada's myLoop approval on Nov 9 adds a fresh product-related positive. The price response has faded, however: after the Oct 30 gap to $82.29 and the Nov 4 high of $88.48, with an intraday high of $90.25 on Nov 5, the stock reversed to $79.92 on Nov 10, close to its Oct 29 close of $79.93. Volume has also tapered from 8.6M on Oct 30 to 3.1M on Nov 10, so the post-earnings move is losing momentum. Near-term direction looks unresolved until the Nov 17 Jefferies update. The fundamentals and analyst support lean positive, but the give-back of the earnings gains and the weak recent volume temper the short-term view.

News behind the analysis

About DexCom, Inc.

Health Care · Medical Devices (diabetes care)

DexCom, based in San Diego, makes continuous glucose monitors (CGMs). These are small sensors worn on the body that track blood sugar in real time and send the readings to a phone or insulin pump. It is one of the two main players in this market. Its products include the G7 system (now with a 15-day sensor), plus Stelo, an over-the-counter sensor sold to people with type 2 diabetes who don't use insulin and to wellness users.

How it makes money

Nearly all of DexCom's revenue comes from selling CGM sensors, transmitters and receivers. Sensors are disposable and have to be replaced every 10–15 days, so the business earns repeat revenue from the same users. It sells through US pharmacies and durable medical equipment distributors, and is paid mostly by insurers and Medicare. International sales make up roughly a quarter of revenue. The company expects 2026 revenue of about $5.2 billion, which would be roughly 11–13% growth. Third-quarter 2026 revenue was about $1.34 billion, up about 11% from a year earlier.

What usually moves DXCM

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Informational only, not investment advice. Based solely on the news and market data provided, up to Nov 10, 2026. Verify before making any investment decision.