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 Tuesday August 4, 2020 --

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

Issues traded 3,065 3,067 3,055
Advances 1,905 1,912 1,349
Declines 1,083 1,090 1,602
Unchanged 77 65 104
New highs 101 130 80
New lows 10 18 8
Adv. volume* 593,299,449 525,278,174 336,569,228
Decl. volume* 266,043,286 341,799,351 382,178,082
Total volume* 863,253,164 871,439,499 724,989,692
Closing Arms (TRIN)† 0.79 1.01 0.80
Block trades* 5,447 5,102 4,656
Adv. volume 3,061,392,607 2,825,478,526 2,065,737,119
Decl. volume 1,367,527,794 1,633,465,024 1,961,066,616
Total volume 4,452,530,741 4,481,476,408 4,057,123,306