No one from the big traders here ever lose 1%.
Its not losing 1%, you are miscalculate something like 0.007 usdt or something. Its hard to find if you running multiple orders and trades, but your money still there, its not missing
Probably comes from the leftover token unrealized profit , or when you sell the dust it got very little slippage, etc etc
If you have doubts you can create one new account and run one bot only there. Transfering in internal pionex is free of charge too so if you want to get rid of the doubts you can try this one