For day trading I would like to find the yellow flag low for a given time period i.e. 30 min. intraday all stocks displaying yellow flags for selected price ranges also yellow flags for any stocks in recent time periods 1-5 -10 days.Not the low of several days but your yellow flag marker low.i.e. 30 min lows 2/19/13 teo,cimt,ta,snfca, thanks DS.