I wish to have more spaces at top and bottom, than default, thus getting lesser Candle box heights comparative to what I see defaults. I searched forum, and searched in Preferences (Axis/Grids etc), but not having clue to do that.
I am sure, this is very close/easy, but am not reaching it.
That article is part of TUTORIAL part of Users' Guide, and tutorial is MUST-READ for every user. You would save yourself huge amounts of guessing if you just read that all.