// Downloaded From https://www.WiseStockTrader.com
function BuiltInRSIEquivalent( period ) 
{ 
 P = N = 0; 

 result = Null; 

 for( i = 1; i < BarCount; i++ ) 
 { 
   diff = C[ i ] - C[ i - 1 ]; 
   W = S = 0; 
   if( diff > 0 ) W = diff; 
   if( diff < 0 ) S = -diff; 

   P = ( ( period -1 ) * P + W ) / period; 
   N = ( ( period -1 ) * N + S ) / period; 

   if( i >= period ) 
      result[ i ] = 100 * P / ( P + N ); 
 } 
 return result; 
}   

Buy=BuiltInRSIEquivalent(14)<30 ;
Filter=Buy;

AddColumn(BuiltInRSIEquivalent(14), "RSI15");
SetSortColumns(3,-2);