Duolingo is trading 4.13% up now at $154.49 after Evercore ISI upgraded the company to Outperform from Inline on August 31, 2026.

  • Bloomberg identified the analyst upgrade as the catalyst behind the extended-hours move.
  • The gain follows progress lowering AI video-call costs from about 30 cents to under one cent, supporting margin optimism; that announcement preceded August 31.