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 Thursday, July 23, 2020 --

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

Issues traded 3,068 3,067 3,050
Advances 1,429 1,744 1,356
Declines 1,545 1,237 1,599
Unchanged 94 86 95
New highs 125 114 58
New lows 9 5 6
Adv. volume* 339,150,473 497,080,872 291,704,184
Decl. volume* 473,810,868 323,369,551 470,777,503
Total volume* 820,558,196 828,959,402 772,800,350
Closing Arms (TRIN)† 1.27 1.05 1.38
Block trades* 4,988 5,241 5,003
Adv. volume 1,805,489,352 2,449,090,888 1,499,052,955
Decl. volume 2,479,799,159 1,817,989,090 2,446,310,899
Total volume 4,329,785,740 4,310,206,898 3,994,458,894