大盘危险信号：波动指数ETF大规模资金流入+140亿美元做空SPY

可以理解为有大资金认为市场会暴跌而提前埋伏吗？

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Caution is evident in ETF flows. The $1.2 billion ProShares Ultra VIX Short-Term Futures ETF -- the largest volatility-tracking fund -- posted roughly $263 million in inflows last week for its strongest weekly showing since 2016, and is on track to absorb an additional $159 million this week.

规模12亿美元的ProShares Ultra VIX短期期货ETF（最大的波动率追踪基金）上周录得约2.63亿美元的资金流入，为2016年以来最强劲的一周表现，本周有望吸收另外1.59亿美元。