Wearables growth widens the opportunity

A wristband used to count steps is turning into a pipe that streams heart rate, sleep, strain, and recovery data all day, and one new forecast says annual wearable shipments will rise from 402.96 million in 2026 to 544.08 million in 2031. The same forecast says the market will generate $44.22 billion in revenue in 2031. (markets.businessinsider.com) The jump is not just more watches on more wrists. The forecast says lower prices, stronger health features, smart rings, and new low-power cellular links are pulling wearables beyond early adopters and into a much bigger mainstream market. (financialcontent.com) That creates a simple new bottleneck: every device maker speaks a slightly different data language. A company building a health app might need separate connections for Apple Health, Garmin, Oura, and Whoop before it can show one clean dashboard to one user. (github.com) Open Wearables is trying to solve that plumbing problem with one shared connector. Its site says developers can connect Whoop, Garmin, Oura, and Apple Health through a single open-source, self-hosted platform instead of stitching together each vendor one by one. (openwearables.io) The pitch is speed and control. Open Wearables says it normalizes incoming data, computes health scores, and lets teams deploy their own stack under an Massachusetts Institute of Technology license instead of handing the whole integration layer to a closed aggregator. (openwearables.io; github.com) At the same time, the biggest device brands are getting more powerful, not less. Whoop said on March 31, 2026 that it raised $575 million in a Series G round at a $10.1 billion valuation, with investors including Abbott, Mayo Clinic, Qatar Investment Authority, Mubadala, Cristiano Ronaldo, LeBron James, and Rory McIlroy. (whoop.com) That funding matters because Whoop is not selling a cheap gadget at checkout; it is building a subscription health platform around continuous data. The company said the new capital will support global expansion and its long-term plan for personalized health. (whoop.com) So the market is widening in two directions at once. More devices mean a larger pool of passive health data, and bigger platforms plus unified application programming interfaces mean more ways to turn that data into products without rebuilding the pipes every time. (markets.businessinsider.com; openwearables.io; whoop.com) The next fight is less about whether people will wear sensors and more about who owns the connection between raw signals and useful software. In this version of the wearables business, the watch or ring is the front door, but the real leverage sits in the data layer behind it. (github.com; whoop.com)