What link for advance decline... The Big charts.com that give the actual totals for the day...?
Alex is the chart expert...what chart you want IWM or you want a set of TIMEFRAMES...
Do you see where all those timeframe ETFs are going that Alex and I have been working on...=near bottom of INTRO page... CAT has volume...so step down to a 30/60 minute chart and see where=what price(s) all that volume was happening...then do you option trade...