Logical rules for Opening Logic Condition slot.

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

Logical rules for Closing Logic Condition slot.

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

List box parameters

• Smoothing method (Simple). The Moving Average method used for smoothing. Options: Simple, Weighted, Exponential, Smoothed.

Numeric box parameters

• Period of %R (14). The period of calculation. Minimum: 1, Maximum: 200.
• Smoothing period (0). The period of an additional smoothing. Minimum: 0, Maximum: 200.
• Level (-20). A critical level (for the appropriate logic). Minimum: -100, Maximum: 0.

C# source code: Williams' Percent Range.

MQL source code: Williams' Percent Range.