Profits in unrealised p& l

In I my trading platform, can I sell as my stock as it is losing today but I still have my unrealised P&L from yesterday of 1k…but I want to sell and and rebuy this today but can keep my profit from before…

If you are talking about Invest and ISA then when you buy again your shares are combined and your average per share will change.

Don’t sell otherwise your loss with be realised.

If you are talking CFD and hedging mode then you can open a new position which is separate to the previous.