trade timing signals - using Advance-Decline line tools

[rimshot]

Link to WSJ end of day Market Diary -

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

16-months of daily $NYADV in histogram format -

* for each day in August & September, the # of NYSE Advancing issues remains
below the June and July highs for this internal, which represents
a Negative Divergence of importance...

it has recently represented an actionable Divergence
and may be again at future dates only if the negative condition persists for multiple weeks/months

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 Monday September 21, 2020 --

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

Issues traded 3,111 3,105 3,099
Advances 443 1,039 2,448
Declines 2,623 1,981 591
Unchanged 45 85 60
New highs 19 66 60
New lows 42 22 12
Adv. volume* 132,426,378 846,591,703 720,579,817
Decl. volume* 1,086,356,721 2,320,654,411 128,969,189
Total volume* 1,221,664,949 3,192,923,835 859,948,714
Closing Arms (TRIN)† 1.25 1.34 0.80
Block trades* 6,166 7,455 4,952
Adv. volume 571,457,588 2,011,210,709 3,224,495,201
Decl. volume 4,243,317,114 5,127,884,231 621,362,058
Total volume 4,828,383,415 7,198,848,305 3,894,157,075