trade timing signals - using Advance-Decline line tools

[rimshot]

$SPX $OEX $MID and $NYA cumulative Advance-Decline lines print new record highs Friday August 7, 2020

* the NYSE "common stocks only" data set failed to closely approach its prior record high

$SPX cumulative A-D line shown with daily internals for the S&P 500 index as well -

http://stockcharts.com/c-sc/sc?s=%21NETADSPX&p=D&yr=1&mn=4&dy=0&i=p37198349571&a=422175840&r=1596930825001

** when interpreting the S&P 500 daily internals as they now stand for the current week just ended,
it is obvious the absence of significantly positive daily #'s each day of the most recent week
presents some degree of a cautionary red flag about being confident in an immediate continuation of the price uptrend by SPY