DUOL

Duolingo is facing a securities class action lawsuit alleging that the company and its executives failed to disclose that they deliberately added friction to the user experience through increased ads, subscription upselling, and declining product quality to drive users away. The lawsuit also claims that Duolingo's AI-generated content was degrading product quality and harming user retention, contrary to public statements about growth and improvements. Investors with losses exceeding $100,000 have until December 7, 2026 to file lead plaintiff applications.

Rosen Law Firm is soliciting investors who purchased Duolingo Class A common stock between May 2, 2025 and February 26, 2026 to join a securities class action lawsuit. The lawsuit alleges that Duolingo made false statements regarding DAU growth rates, failed to disclose that increased user friction from ads and upsells was harming user retention, and that low-quality AI-generated content was degrading product quality and user experience. The lead plaintiff deadline is December 7, 2026.

Duolingo (DUOL) stock declined 1.82% to $139.52, underperforming the broader market gains. The company faces headwinds with projected Q3 EPS down 42.11% year-over-year, though revenue is expected to grow 12.13%.

For the full year, earnings are forecast to decline 69.43% while revenue grows 16.53%. The stock carries a Zacks Rank #3 (Hold) with a premium Forward P/E ratio of 54.17 compared to its industry average of 15.76.