Will BTC's decline stop?

$iShares Bitcoin Trust(IBIT.US)$ 　 $CleanSpark(CLSK.US)$ $Marathon Digital(MARA.US)$ETF holders with huge amounts of money in motion are suffering from losses. If ETF holders sell their holdings, the decline becomes even more intense... The CEO of MARA, who appeared on CNBC before reaching the half-life, said, “There is a possibility that the half-life has already been factored into the market.” I was saying that. Why did the biggest CEOs say that? I was really curious.