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 -

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

WSJ update for Monday, July 20, 2020 --

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

Issues traded 3,069 3,056 3,065
Advances 1,277 1,629 1,093
Declines 1,693 1,336 1,899
Unchanged 99 91 73
New highs 113 81 119
New lows 10 1 6
Adv. volume* 309,193,584 389,422,216 348,996,243
Decl. volume* 465,607,693 468,182,756 650,942,506
Total volume* 786,021,258 868,847,637 1,007,927,668
Closing Arms (TRIN)† 0.93 1.66 1.22
Block trades* 5,027 5,440 5,899
Adv. volume 1,763,604,745 1,677,114,470 1,562,745,912
Decl. volume 2,175,896,441 2,288,785,503 3,324,828,861
Total volume 3,998,321,377 4,016,039,558 4,922,830,269