The ATH is about $1600 and now the price is far away from that price, i think if this coin can touch the past ATH, but need a long time to reach that level, maybe more than three years my friend

That means you are saying Dash need 3 more years to touch the previous ATH? Really? It’s not a huge time?
About DASH, its ATH was 1640 USD and now it is 117. Due of the fact that DASH is an alt with very big market cap and it is still minable with 50% of its supply to have been mined, it means it still has inflation and it is very difficult to hit ATH any time soon in my opinion.
Correct. But it has very limited supply according to other top altcoins like ETH LTC etc.