I never scale in, it's just too complicated for me. I don't scale out either, though I do set my stops to break even +1 tick after a certain number of ticks, and then let all the contracts ride to my target.
Q ... I pile a very big position on, and I tend to either be in or be out of it. Generally speaking, I'll put on my whole position at one time. If I'm going to buy 700 or 800 contracts, I'll buy them right away and get out of them the same way! --- The Day Trader's Advantage (by Howard Abell) - Pages 182-183 (Part of an interview) UQ However, whether the very big position consists of several (smaller) orders was not mentioned.
..just whatever profit or loss was associated with the percentage of the account allocated to that system.
But if you don't scale out, and you don't reach your profit target, then the end result would be no gain at all, correct? I don't mean to sound dull, but you're being a bit cryptic and I'm trying to understand your point.