If you look at the graphics of the end of 2017-beginning of 2018, you will see other examples. Prices were sharply parabolic. ...but now the bears are still strong.
This will not happen again. Now the price goes both ways with kickbacks. There will not be a sharp rise and a sharp drop.
Past performance should not even be compared, and what will happen in the future, makes us perplexed. When we return to the price, aggressive growth always comes with aggressive consequences.