- Oura is going public, but these smart ring companies are coming for its crown techcrunch.com
- Smart ring maker Oura reveals revenue surge in US IPO filing ET HealthWorld
- How Oura’s rings found their way onto millions of fingers The Economist
- Oura IPO: Slick Gadget, Shaky Business | by Sergei Polevikov | Sep, 2026 Medium
- How Oura Turned One Acquired Patent Into a U.S. Smart Ring Moat Memeburn
