trade timing signals - using Advance-Decline line tools

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Link to WSJ end of day Market Diary -

https://www.wsj.com/market-data/stocks/marketsdiary

16-months of daily $NYADV in histogram format -

http://stockcharts.com/c-sc/sc?s=%24NYADV&p=D&yr=1&mn=4&dy=0&i=p09228435053&a=760612625&r=1590534237667

WSJ update for Friday August 7, 2020 --

NYSE --- Latest Close --- Previous Close --- Week Ago

Issues traded 3,054 3,060 3,074
Advances 1,891 1,460 1,250
Declines 1,078 1,497 1,726
Unchanged 85 103 98
New highs 98 113 83
New lows 8 6 19
Adv. volume* 455,876,607 326,707,746 472,477,642
Decl. volume* 328,904,691 421,921,059 817,104,357
Total volume* 796,497,149 773,628,701 1,305,041,098
Closing Arms (TRIN)† 1.38 1.27 1.25
Block trades* 4,999 4,877 6,203
Adv. volume 2,222,264,851 1,765,405,029 1,860,696,509
Decl. volume 1,750,469,766 2,295,331,997 3,214,743,956
Total volume 4,034,564,878 4,189,148,337 5,136,179,111