Oura Ring 5 Review: The Smart Ring King Crowns Itself
On May 28, 2026, Oura—the undisputed leader in smart rings—launched its fifth-generation product, the Oura Ring 5. On the same day, the company confidentially filed its IPO prospectus with the US SEC.
This is no coincidence. Oura needs a product stunning enough to justify its $11 billion valuation and $1.5 billion revenue target for 2026.