Logical rules for Opening Logic Condition slot.

• Standard Deviation rises;
• Standard Deviation falls;
• Standard Deviation is higher than the Level line;
• Standard Deviation is lower than the Level line;
• Standard Deviation crosses the Level line upward;
• Standard Deviation crosses the Level line downward;
• Standard Deviation changes its direction upward;
• Standard Deviation changes its direction downward;

Logical rules for Closing Logic Condition slot.

• Standard Deviation rises;
• Standard Deviation falls;
• Standard Deviation is higher than the Level line;
• Standard Deviation is lower than the Level line;
• Standard Deviation crosses the Level line upward;
• Standard Deviation crosses the Level line downward;
• Standard Deviation changes its direction upward;
• Standard Deviation changes its direction downward;

List box parameters

• Smoothing method (Simple). The method of Moving Average used for the calculations. Options: Simple, Weighted, Exponential, Smoothed.
• Base price (Close). The price the indicator is based on. Options: Open, High, Low, Close, Median, Typical, Weighted.

Numeric box parameters

• Period (20). The period of calculation. Minimum: 2, Maximum: 200.
• Level (0). A critical level (for the appropriate logic). Minimum: 0, Maximum: 100.

C# source code: Standard Deviation.

MQL source code: Standard Deviation.