周五盘前，1.5倍做多恐慌指数短期期货ETF（UVXY）大涨5.03%，反映出市场波动性显著上升。这一涨幅与芝加哥期权交易所波动率指数（VIX）的上涨直接相关。
据报道，VIX指数周五早间上涨5.5%，突破21点关口，而此前一周该指数一直在17点左右徘徊。VIX指数被广泛视为华尔街的"不安指数"，用于衡量预期的股市波动性。通常情况下，VIX指数超过20点表明投资者的不确定性正在增加。
导致市场波动性上升的主要因素包括对人工智能估值的担忧以及美联储下一次利率决策的不确定性。多位美联储官员本周对12月份再次降息的可能性表示谨慎。根据芝商所(CME)的数据，市场目前预期美联储下月放宽政策的概率约为50%，较一周前的67%和一个月前的95%明显下降。此外，因政府停摆而推迟的经济数据发布可能会进一步影响市场预期。这些因素共同推动了VIX指数的上涨，进而带动了UVXY的大幅上涨。
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