DUOL Stock Outlook 2026: The Gamification Moat vs. the Two Faces of AI Language Learning
DUOL (Duolingo) 2026 stock outlook. A deep qualitative analysis of its freemium-to-paid subscription funnel, the gamification and habit moat, Duolingo Max AI upsell, daily active user growth, marketing efficiency and virality, the growth-deceleration and valuation risks, and how AI is both an opportunity and a threat to language learning.