Logical rules for Opening Point of the Position slot.

• Enter long at Upper Band;
• Enter long at Lower Band;

Logical rules for Opening Logic Condition slot.

• The bar opens below Upper Band;
• The bar opens above Upper Band;
• The bar opens below Lower Band;
• The bar opens above Lower Band;
• The position opens below Upper Band;
• The position opens above Upper Band;
• The position opens below Lower Band;
• The position opens above Lower Band;
• The bar opens below Upper Band after opening above it;
• The bar opens above Upper Band after opening below it;
• The bar opens below Lower Band after opening above it;
• The bar opens above Lower Band after opening below it;

Logical rules for Closing Point of the Position slot.

• Exit long at Upper Band;
• Exit long at Lower Band;

Logical rules for Closing Logic Condition slot.

• The bar closes below Upper Band;
• The bar closes above Upper Band;
• The bar closes below Lower Band;
• The bar closes above Lower Band;

List box parameters

• Base price (High & Low). Indicator uses High and Low prices. Options: High & Low.

Numeric box parameters

• Period (10). The width of the range we are looking for an extreme in. Minimum: 1, Maximum: 200.
• Shift (0). The number of bars to shift with. Minimum: 0, Maximum: 200.

C# source code: Donchian Channel.

MQL source code: Donchian Channel.