Is yesterday (Mar. 29) windows dressing day?

Also, is mutual fund windows dressing based on settlement day or Q1 actual closing date?

So what's the settlement date of Mar. 29 options and stock trade? Is it Mar. 31 or is it Apr. 3?

and what is all the windows dressing date for mutual and hedge fund of Q1? are they based on actual settlement date or Q1 ending date (Mar. 31)?

 

%%
No not really, QQQ is uptrend most of the year.
DOW\DIA down most of year, 3 minutes to close.