The average spread for the "averaging period". You can set the background transparency and transparency of the text.
The last 7 spreads are displayed and, at the end, the average spread over the period "averaging period".
Advisor on the signals of the indicators Bollinger Bands and Moving Average.High and Low Custom levels
High and Low. For levels, you can specify an offset. You can specify the interval (PERIOD_D1) on which to search for levels.