#Indicator

#Param "Periods",7
#Param "Smoothing",3
#Param "Lookback",5

dim r as single

r = lnreg_slope(EMA(MP(),Smoothing),Periods) - lnreg_slope(EMA(MP(),Smoothing),Periods)[Lookback]

Plot("EWI",r)
Plot("EWIS",ema(r,Smoothing))

Return r     ' Return the value calculated by the indicator