大模型发布节奏如何影响上市公司股价：传导机制、量化框架与 2025–2026 实战复盘
把"模型发布"当成一类可度量的事件冲击来研究。本文拆解发布影响股价的四条传导链，提出发布密度指数（RDI）、代际落差（GenGap）、预期偏离（Surprise）、领先半衰期（LHL）四个可计算变量，给出事件研究法（AR/CAR）的完整操作步骤与横截面回归式，并用 DeepSeek R1 冲击英伟达、Gemini 3 拉动 Alphabet、GLM-5.2 把智谱送上万亿、Kimi K3 两日击落智谱 42%、GLM-5.3"更强却更跌"、GPT-6 Astra 引发"硬件跌停应用涨停"等 7 个正反面样本做复盘。
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