Skyline Ventures SMI

//version=5

// Stochastic Momentum Index
// Author: Surjith S M (sudia arabia)
// Copyright: CC 3.0
// Thanks MR:Ahmed Moussa
// Release: v2.1

indicator("Stochastics Momentum Index", shorttitle = "Skyline_SMI")

// Input parameters
a = input.int(10, "Percent K Length", minval=1)
b = input.int(3, "Percent D Length", minval=1)
c = input.int(10, "EMA Signal Length", minval=1)
smooth_period = input.int(5, "Smoothing Period", minval=1)
ob = input.float(40, "Overbought", minval=-100, maxval=100)
os = input.float(-40, "Oversold", minval=-100, maxval=100)

// Range Calculation
ll = ta.lowest(low, a)
hh = ta.highest(high, a)
diff = hh - ll
rdiff = close - (hh+ll)/2

avgrel = ta.ema(rdiff, b)
avgdiff = ta.ema(diff, b)

// SMI calculations
SMI = avgdiff != 0 ? (avgrel/(avgdiff/2)*100) : 0.0

// Apply smoothing to SMI
SMI_smoothed = ta.sma(SMI, smooth_period)

SMIsignal = ta.ema(SMI_smoothed, b)
emasignal = ta.ema(SMI_smoothed, c)

// Plotting
plot(SMI_smoothed, "Stochastic", color=color.rgb(154, 157, 167))
plot(emasignal, "EMA", color=color.red)

h0 = hline(ob, "Overbought", color=color.gray)
h1 = hline(os, "Oversold", color=color.gray)

level_ob = ob
level_obsmi = SMI_smoothed > level_ob ? SMI_smoothed : level_ob

level_os = os
level_ossmi = SMI_smoothed < level_os ? SMI_smoothed : level_os

p1 = plot(level_ob, display=display.none)
p2 = plot(level_obsmi, display=display.none)

p3 = plot(level_os, display=display.none)
p4 = plot(level_ossmi, display=display.none)

fill(p1, p2, color=color.new(color.red, 60), title='OverBought')
fill(p3, p4, color=color.new(color.green, 60), title='OverSold')

skyline_ventures10

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