// Downloaded From https://www.WiseStockTrader.com
//Finding GapUp and Gap Down opening

SO = ParamToggle("Option","Gap Up|Gap Down",1);

if(SO == 0)
//Gap Up
Filter = (Open > Ref( High, -1 )) AND (Close > Open);
else
// Gap down
Filter = (Open < Ref( Low, -1 )) AND (High < Ref( Low, -1)) AND (Close < Open);

AddColumn( Close, "Close" );
AddColumn( Open, "Open" );
AddColumn( High, "High" );
AddColumn( Low, "Low" );
AddColumn( Volume, "Volume" );