Hi Gian,
Well, You Ask !!!
"Ummm,...yeah...so moving on, what is your favorite set up? "
THE HOLY GRAIL !!!
Buy low, sell high.
If that doesn't work, Sell high, buy low.
Often useful to watch the trend.
A nice chunk from the middle is usually pretty rewarding.
Take a look at the 3 Std. Dev. Bollinger bands.
Lee