Duolingo Stock Plunges as Slower User Growth and AI Costs Overshadow Strong Earnings
Pittsburgh, Tuesday, 5 May 2026.
Despite surpassing Q1 profit estimates, Duolingo’s stock plunged 13%. Investors are concerned by a significant shortfall in monthly active users and rising expenses tied to new AI features.
A Disconnect Between Earnings and Market Reaction
On Monday, May 4, 2026, Duolingo released its financial results for the first quarter ending March 31, 2026, revealing robust top- and bottom-line beats [2][6]. The company reported earnings per share of $0.89, surpassing the consensus estimate of $0.79 by 12.658% [1][3][7]. Quarterly revenue reached $291.97 million, an increase of 27% year-over-year, which outpaced Wall Street’s expectations of $288.60 million [1][7]. Duolingo’s net income stood at $43.5 million, reflecting a net margin of 39.91%, while adjusted EBITDA hit $83.4 million [1][6][7]. Despite these headline numbers, shares of Duolingo plummeted in extended trading to $95.28, representing a decline of 13.56% from its regular-session close of $110.23 [1]. Other financial outlets reported the after-hours decline to be between 9.96% and 14% [3][5].