Your comments

It will be like price label on chart with custom text.

Нет. Мы не предоставляем возможность выгрузить полные данные по барам в формате OHLC

Please send example such Indicator.

I can't understand your request. Please send on email more detail.

1. No way to control how many day will loaded. But you can zoom chart to watch only several days.

2. Size of volume bars depends of display size. Line it is cumulative delta.