Cramer: The 4 VIX-related trading products that will signal the end of the sell-off By: CNBC.com News February 08, 2018 at 18:28 PM EST Jim Cramer lists four volatility trading instruments that are the "real culprits" behind the market-wide sell-off. Read More >> Related Stocks: Ipath.B S&P 500 VIX Short-Term Futures ETN Ultra VIX Short-Term 2X Futures ETF