Which trading days in a week are best: Tue+Thur OR Tue+Fri?

Twice as long as half its length.

 

That is excellent!

 

Are there any indicators on-chart for showing days of the week? I keep looking but cannot find such a thing.

 

There are some/(one?) on tradingview.com

https://www.tradingview.com/script/0jRwiENP-Day-of-week-Highlight-certain-weekdays-on-chart/

 

Lol. So how long is it?

 

BEST DAYS :
MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY

WORST DAYS :
SATURDAY SUNDAY HOLIDAY

 

even better still, if President Trump Tweets.