目前来看,美股似乎势不可挡。标普500指数周一小幅收涨,逆转了穆迪下调美债评级引发的跌势,将连胜纪录延长至六个交易日。这一涨势进一步巩固了该基准指数自“解放日”低点以来的反弹趋势。
自4月7日盘中触底以来,标普500指数累计涨幅已超过23%。关税战缓和与投资者情绪改善推动了这一上涨。如果历史有任何指引意义的话,接下来这波反弹可能延续——可能将标普500指数推回历史高点。
美国银行指出,其全球股票风险偏好指标已从4月初的“深度恐慌”反弹至中性水平。
该行策略师里特什・萨马迪亚(Ritesh Samadhiya)指出,这一指标在过去38年中已32次从恐慌转向中性。他补充称,在这些案例中,只有四次市场情绪回落至恐慌水平,“而在所有其他情况下,情绪进一步上升至乐观水平”。
萨马迪亚表示:“在货币宽松背景下,恐慌情绪彻底宣泄后市场广度显著改善,这在历史上通常与新一轮牛市的延续或形成相关。尽管历史并非完美的指引,但大量证据表明市场可能继续攀升。”
截至周一收盘,标普500指数较6144.15点的历史收盘高点仅低3%。诚然,引领市场反弹逼近历史高点的大盘科技股近期可能失去动能。
DataTrek Research联合创始人杰西卡・拉贝(Jessica Rabe)指出,iShares MSCI美国动量因子ETF(MTUM)今年以来表现超过标普500指数10个百分点。从历史来看,在经历如此强劲的上涨后,动量因子通常会跑输大盘指数。
拉贝写道:“当动量因子在任意100个交易日内跑赢标普500指数至少10个百分点时(如当前情况),其在未来100天的表现平均落后3.8个百分点。”
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