How many declines has he projected that didn’t happen?
Stopped clock.
The Nasdaq Composite lost 78% of its value as it fell from 5046.86 to 1114.11.
Closing Friday 7,330.54
People that stayed in didn’t lose. Being diversified and not panicking are winning strategies. His prediction may have helped people that want to avoid the dips but it is very easy to sell at the low or on the way down and get gored a few times trying to time a buy back.
https://www.macrotrends.net/1320/nasdaq-historical-chart
Absolutely. I have friends that implored me to sell when the market went down (repeatedly over 4 decades). I stayed in, they sold. And they lost money from selling on the way down and missing out on the market when it recovered and kept going up.
Don't panic!