technically you won but the difference is very small and on top of that all the commissions eat it up

Hello, today I bought in this Trading option at 4 USDT when the purchase was at 3952 and then I sold it at 4 USDT while it was at 3960, what does this mean, did I gain or lose, because I don't see the difference, since I entered my value has depreciated?
Can someone please explain this to me well?