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I have put a bollinger band around accumlation distribution line on particular stocks. I would like to scan for stocks in which the accumulation distribution line has crossed over upper or lower bollinger bands. I wrote it like this [AccDist x upper bb(20,2)] However I get no results. Even though I have stocks that I know have the acc line above bollinger bands. Can anyone tell me what I am doing wrong? Thank you.
and [AccDist x upper bb(20,2, AccDist)]
By default, BB will look at price. If you want it to look at something else, you have to specify it as the last term of the BB parameters.
As far as I know, this feature is undocumented, or at least I can't find it, so it's something you learn by coming across it.