Just like every other coin out there in the market, no one knows for a certainty how low it go before mooning again. This is why you need to be careful with your buys and if you're looking at buying the dip, you need to stagger your buys and not going all in.
I think that the price of a reversal for ETH will be 150 dollars. and for Bitcoin 5000. Perhaps those who manipulate the market will still make a small drawdown before the start of growth