Duolingo Shares Plunge 7.4% as $620M Trading Volume Slumps to 171st in U.S. Liquidity Rankings

Duolingo (DUOL) closed on September 15, 2025, , ranking 171st among U.S. equities in terms of liquidity. , marking a significant reversal from recent gains amid shifting market sentiment.

Investor activity in DUOL has been closely tied to evolving perceptions of its business model and competitive positioning. While the stock has historically attracted retail and institutional buyers during periods of high growth, recent volatility reflects broader macroeconomic concerns and sector-specific dynamics. Analysts note that Duolingo’s reliance on recurring user engagement and subscription revenue makes it particularly sensitive to interest rate fluctuations and consumer spending trends.

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