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 Friday September 18, 2020 --

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

Issues traded 3,105 3,100 3,081
Advances 1,039 1,167 1,438
Declines 1,981 1,836 1,546
Unchanged 85 97 97
New highs 66 46 32
New lows 22 11 24
Adv. volume* 846,591,703 433,555,654 446,628,809
Decl. volume* 2,320,654,411 597,127,181 363,062,662
Total volume* 3,192,923,835 1,044,230,112 821,935,034
Closing Arms (TRIN)† 1.34 0.72 0.81
Block trades* 7,455 5,683 5,101
Adv. volume 2,011,210,709 2,015,827,542 1,975,131,471
Decl. volume 5,127,884,231 2,275,240,025 1,711,745,646
Total volume 7,198,848,305 4,347,050,344 3,738,738,320