That's quite correct, There have been selling opportunities in the market, and those who did so and took advantage of the moves are doing very well. For example:

If they sold at a price of $120,000 to $122,000 with staggered sales, they made a profit, If they bought back at $116K with the same profit, they probably bought back very well that's a smart move because they sold high and bought low, didn't sell off all their BTC and probably have more BTC.