SPY weekly displaying both the 20,2 Bollinger Band and the 104,2 Bollinger Band ( 2 years of price action ) http://stockcharts.com/h-sc/ui?s=SPY&p=W&st=2013-08-26&id=p6401602239c&a=369089730 SPY monthly displaying: 20,2 BB 15,2 BB 36,2 BB ( 3 years of price action ) http://stockcharts.com/h-sc/ui?s=SPY&p=M&st=2013-08-26&id=p0491153556c&a=643883237 The NYSE all-issues weekly cumulative Advance-Decline line has been higher for six straight weeks. That has happened only two other times in the past six years. the NYSE all-issues Advance-Decline breadth line is displayed as the lowest chart element in this daily chart for the $NYAD - http://stockcharts.com/h-sc/ui?s=%24NYAD&p=D&yr=0&mn=8&dy=13&id=p1851879573c&a=624707621 $NYA monthly with 5 other indices, and displaying the 15,2 Bollinger Bands http://stockcharts.com/h-sc/ui?s=%24NYA&p=M&yr=3&mn=10&dy=0&id=p1601538367c&listNum=87&a=568822129