The index describes important peaks and troughs (extremes) about the chart.
These points can be used to plot support/immunity levels and fashion lines, in addition to any other graphical analysis.
These points can serve as reference points for setting trading orders.
The indicator does not redraw.

Settings:

• Size_History – the dimensions of the calculated history.
• Num_Candles_Right – the amount of candlesticks to the right of the peak or trough.
• Num_Candles_Left – the amount of candlesticks to the left of the peak or trough.
• Type_Arrows_extremum-label style.
• Send_Sound – audio telling.
• Send_Mail-sending an alert to an email.
• Send_Notification-sending an alert to the mobile terminal.
• Send_Alert – standard alert of the terminal.