prejudice to all I apologize for the lack of knowledge of English, I'm Italian I would like to help me with this formula that I got from your very kind collaboration: {Time} Inputs StHour: = Input ("Start Hour", 0,23,10); StMin: = Input ("Start Minute", 0,59,00); EnHour: = Input ("Last Hour", 0,23,10); EnMin: = Input ("Last Minute", 0,59,50); -------------------------------------------------- --- {Time periods} start: = Hour ()> StHour OR Hour () = AND StHour Minute ()> = StMin; end: = Hour () now I want to replace The: ValueWhen = (1, filter, LowestSince (1, start, L));   open the same day of course ------------------------------------------------; then always with the same formula I would like to replace The: ValueWhen = (1, filter, LowestSince (1, start, L)); the close -------------------------------------------------- ----------- and finally, I would forgive my insistence formula intraday to close all day if the position still open. - and thank you in advance yours faithfully