Core Insights - AppLovin (APP) and The Trade Desk (TTD) both reported Q3 2025 earnings that exceeded estimates, but their market reactions diverged significantly, with APP's stock surging 71% over the past year while TTD's stock fell 68% from its highs [1] AppLovin (APP) - AppLovin's revenue increased by 68% year-over-year to $1.41 billion, surpassing the estimate of $1.34 billion [2][4] - The company reported a net income of $836 million, reflecting a 92% increase from the previous year, and achieved an operating margin of 76.8% [2][4] - Operating cash flow reached $1.05 billion, up 91% year-over-year, indicating strong cash generation capabilities [4][7] - AppLovin's business model leverages its AXON 2.0 AI engine, providing end-to-end AI solutions for mobile app developers, which contributes to its high operating margin [5] The Trade Desk (TTD) - The Trade Desk's revenue grew by 18% to $739 million, slightly exceeding the estimate of $719 million [3][4] - Operating income rose by 49% to $161 million, but net income growth of 23% lagged behind revenue growth, indicating potential margin pressures [3][4] - Operating cash flow declined by 18% year-over-year to $225 million, and the company's cash position decreased by 47% to $653 million [3][4][7] - TTD's strategy focuses on a self-service programmatic advertising platform for the open internet, which results in a different cost structure reflected in its 21.8% operating margin [6]