SPY bulls require price back above the 50,2 daily lower BB, on a lasting basis
* if the 50,2 BB width continues to expand for a period of weeks, it will mean with 100% reliability that future price bounces should be sold
note that the daily chart below plots:
SPY and RSP 50,2 daily Bollinger Band & 200-day sma's
( RSP = the Equally Weighted version of SPY )
** if the now pending possible dramatic change actually occurs for the characteristic in play since June 2016 that routine dip buying of the brief declines to near or below the lower BB produced a profitable outcome ... the character change will be clearly evident in this chart
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