Bricklaying trading
Each
bar graph is a brick, take buy a bill now as an example, the brick that is in lowest position at the moment, go to the left, when the brick with the
3rd highest is in existence, take the height of this brick as a benchmark, when the price exceeds the height of this brick, can establish buy a
bill, when appear opposite circumstance closes a position, establish empty order at the same time.This
is a simple rule, need each friend grope by oneself.