5%-9% of profit per month is still quite big. It's possible if this is on an annual basis, but this kind of offer is still a too good to be true offer. People never learn abou these ponzis, they're all scams if they're giving good percentage of a daily or monthly basis. Don't bite on their offers that will just take your money. While we want our money work for us, that's not the way to go. It's best to hold your crypto than invest on these schemes.