Webull issue not able to add bracket order to existing position

interactive broker stock order presets

interactive broker mobile sample double bracket order

ThinkorSwim draw price line

Draw price line

select price level, move mouse to chart, double click. after line show up, right click to change properties

ThinkorSwim overlap volumn

One chart click on setting => click on Overlap volume

If change vol preset number to same as background you can "remove" volume on chart

Thinkorswim Real time no delays

Real time no delays

setup => application settngs => system