英伟达等AI热门股波动加剧，相对波动率为标普500指数的4倍

英伟达等AI热门股波动加剧，相对波动率为标普500指数的4倍

2026-07-19 16:02

ChainThink 消息，7 月 19 日，据 The Kobeissi Letter 发文，美股动量股相对标普 500 指数的三周波动率已升至 4 倍，创历史新高，该比率在过去数周内增长超过 4 倍。

该动量股群体包括英伟达、超微电脑、Palantir、D-Wave Quantum 和 CoreWeave 等处于 AI 热潮中的高增长科技股。

作为对比，该比率在 2020 年疫情期间市场崩盘时最高约为 2 倍，在互联网泡沫破裂期间最高约为 1.8 倍。

美国动量股指数自 7 月以来累计下跌 24%，或创 2008 年金融危机以来最大单月跌幅。

Disclaimer: Contains third-party opinions, does not constitute financial advice

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