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 Friday, July 31, 2020 --

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

Issues traded 3,074 3,064 3,064
Advances 1,250 1,020 1,020
Declines 1,726 1,953 1,930
Unchanged 98 91 114
New highs 83 83 45
New lows 19 13 5
Adv. volume* 472,477,642 177,344,448 212,538,708
Decl. volume* 817,104,357 621,976,707 484,411,535
Total volume* 1,305,041,098 826,039,880 711,271,608
Closing Arms (TRIN)† 1.25 1.76 1.17
Block trades* 6,203 5,553 4,791
Adv. volume 1,860,696,509 962,448,120 1,128,199,476
Decl. volume 3,214,743,956 3,235,058,124 2,500,773,239
Total volume 5,136,179,111 4,272,935,145 3,710,725,667