Another commenter pointed to this: https://awealthofcommonsense.com/2014/02/worlds-worst-market-timer/ https://awealthofcommonsense.com/2014/02/worlds-worst-mar

Another commenter pointed to this: https://awealthofcommonsense.com/2014/02/worlds-worst-market-timer/ https://awealthofcommonsense.com/2014/02/worlds-worst-market... tl;dr: Even the worst market timer would do well to just hold on to stock.