SUSD is fixed to the US dollar like USDT, so you can never make a profit in dollars with a currency of 1 dollar. It can be profitable in different currencies depending on the currency.
Trading pairs on the listed Stock Exchanges are insufficient
Not as popular as Tether
its total supply is currently 22,510,653,0839032
Since they are exempt from tax, you can profit from the dollar / try pair.
What I am going to say is a project that needs to be developed that much, first of all, trading pairs