The annualized yield for mining op with sUSD stored in infinex is between 7% and 8%, depending on the price of op, which is not very cost-effective.

sUSD is currently hovering between 0.96 and 0.98, not suitable for low-risk preference users, but suitable for medium to high-risk preference users. The main profit/loss still comes from the rise/fall of sUSD, while op rewards are a minor benefit.