Adjusted ROC

//www.aflcode.com
periods = Param("Periods", 21, 2, 200, 1 );
ROCadj = periods * EMA( ROC( C, 1 ), periods );
Plot( ROCadj, "ROCadj "+periods, colorRed, styleThick );
// the line below adds standard ROC overlay
Plot( ROC( C, periods ), "ROC "+periods, colorBlue );