为何CBOE VIX指数“失灵”？本次市场波动中最值得深思的现象是CBOE波动率指数（VIX）的表现。VIX指数通常被称为“恐慌指数”，用于衡量市场对未来30天标普500指数波动性的预期。在过往的重大地缘危机（如2008年金融危机和2020年疫情爆发初期）中，VIX指数往往会飙升至50甚至80以上，见下图。
German government convened a crisis meeting after several prize winners condemned Israel’s actions against Palestinians
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BYOB (bring your own buffer) reads were designed to let developers reuse memory buffers when reading from streams, an important optimization intended for high-throughput scenarios. The idea is sound: instead of allocating new buffers for each chunk, you provide your own buffer and the stream fills it.。关于这个话题，17c 一起草官网提供了深入分析