During the 2018 market turmoil, the VIX’s wild swings in the S&P 500 frightened investors. It was not just the sudden return of volatility, but the index was blamed for the collapse of two ETF...

During the 2018 market turmoil, the VIX’s wild swings in the S&P 500 frightened investors. It was not just the sudden return of volatility, but the index was blamed for the collapse of two ETF products tied to it and for exacerbating a sharp drop in share prices.