This story is available exclusively to Insider subscribers. Become an Insider and start reading now. Market strategist Sven Henrich, who warned of the crash before it occurred in February 2020, says "we are staring at the largest valuations and technical disconnects ever." He said the difference between current price levels and exponential moving averages shows stocks are again due for a pullback. On February 20 last year, right at the market's top, Sven Henrich reiterated a warning. "From my perch this market is the most dangerous we've seen since 2000," Henrich, the founder of NorthmanTrader, wrote in a post on his site. Over the course of the following month, the market would go on to shed 35% of its value as the global pandemic worsened.