PHP Code:
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © BobRivera990
//@version=4
study(title = "Trend Type Indicator by BobRivera990", overlay = false)
//==========================================================================[Inputs]==========================================================================
useAtr = input(true, title = "Use ATR to detect Sideways Movements") // Use Average True Range (ATR) to detect Sideways Movements
atrLen = input(14, minval = 1, title = "ATR Length") // length of the Average True Range (ATR) used to detect Sideways Movements
atrMaType = input("EMA", options = ["SMA", "EMA"],
title = "ATR Moving Average Type") // Type of the moving average of the ATR used to detect Sideways Movements
atrMaLen = input(27, minval = 1, title = "ATR MA Length") // length of the moving average of the ATR used to detect Sideways Movements
useAdx = input(true, title = "Use ADX to detect Sideways Movements") // Use Average Directional Index (ADX) to detect Sideways Movements
adxLen = input(14, minval = 1, maxval = 50, title = "ADX Smoothing") // length of the Average Directional Index (ADX) used to detect Sideways Movements
diLen = input(14, minval = 1, title = "DI Length") // length of the Plus and Minus Directional Indicators (+DI & -DI) used to determine the direction of the trend
adxLim = input(25, minval = 1, title = "ADX Limit") // A level of ADX used as the boundary between Trend Market and Sideways Market
smooth = input(3, minval = 1, maxval = 5, title = "Smoothing Factor") // Factor used for smoothing the oscillator
lag = input(8, minval = 0, maxval = 15, title = "Lag") // lag used to match indicator and chart
//============================================================================================================================================================
//===================================================================[Initial Calculations]===================================================================
atr = atr(atrLen) // Calculate the Average True Range (ATR)
atrMa = atrMaType == "EMA" ? ema(atr, atrMaLen) : sma(atr, atrMaLen) // Calculate the moving average of the ATR
up = change(high) // Calculate parameter related to ADX, +DI and -DI
down = -change(low) // Calculate parameter related to ADX, +DI and -DI
plusDM = na(up) ? na : (up > down and up > 0 ? up : 0) // Calculate parameter related to ADX, +DI and -DI
minusDM = na(down) ? na : (down > up and down > 0 ? down : 0) // Calculate parameter related to ADX, +DI and -DI
trur = rma(tr, diLen) // Calculate parameter related to ADX, +DI and -DI
plus = fixnan(100 * rma(plusDM, diLen) / trur) // Calculate Plus Directional Indicator (+DI)
minus = fixnan(100 * rma(minusDM, diLen) / trur) // Calculate Minus Directional Indicator (-DI)
sum = plus + minus // Calculate parameter related to ADX
adx = 100 * rma(abs(plus - minus) / (sum == 0 ? 1 : sum), adxLen) // Calculate Average Directional Index (ADX)
//============================================================================================================================================================
//========================================================================[Conditions]========================================================================
cndNa = na(atr) or na(adx) or na(plus) or na(minus) or na(atrMaLen) // Conditions for lack of sufficient data for calculations
cndSidwayss1 = useAtr and atr <= atrMa // Sideways Movement condition (based on ATR)
cndSidwayss2 = useAdx and adx <= adxLim // Sideways Movement condition (based on ADX)
cndSidways = cndSidwayss1 or cndSidwayss2 // General Sideways Movement condition
cndUp = plus > minus // uptrend condition
cndDown = minus >= plus // downtrend condition
trendType = cndNa ? na : cndSidways ? 0 : cndUp ? 2 : -2 // Determine the type of trend
smoothType = na(trendType) ? na : round(sma(trendType, smooth) / 2) * 2 // Calculate the smoothed trend type oscillator
//============================================================================================================================================================
//=========================================================================[Drawing]==========================================================================
colGreen30 = color.new(color.green, 30) // Define the color used in the drawings
colGreen90 = color.new(color.green, 90) // Define the color used in the drawings
colGray = color.new(color.gray, 20) // Define the color used in the drawings
colWhite90 = color.new(color.white, 90) // Define the color used in the drawings
colRed30 = color.new(color.red, 30) // Define the color used in the drawings
colRed90 = color.new(color.red, 90) // Define the color used in the drawings
band3 = plot(+3, title = "3", color=color.black,transp=100) // Draw the upper limit of the uptrend area
band2 = plot(+1, title = "2", color=color.black,transp=100) // Draw the boundary between Sideways and Uptrend areas
band1 = plot(-1, title = "1", color=color.black,transp=100) // Draw the boundary between Sideways and Downtrend areas
band0 = plot(-3, title = "0", color=color.black,transp=100) // Draw the lower limit of the downtrend area
fill(band2, band3, title = "Uptrend area", color = colGreen90) // Highlight the Uptrend area
fill(band1, band2, title = "Sideways area", color = colWhite90) // Highlight the Sideways area
fill(band0, band1, title = "Downtrend area", color = colRed90) // Highlight the Downtrend area
var label lblUp = na
label.delete(lblUp)
lblUp := label.new(x = time, y = 2, text = "Pozitif Trend",
color = color.new(color.green, 100), textcolor = color.black,
style = label.style_label_left, xloc = xloc.bar_time,
yloc = yloc.price, size=size.normal, textalign = text.align_left) // Show Uptrend area label
var label lblSideways = na
label.delete(lblSideways)
lblSideways := label.new(x = time, y = 0, text = "No Trend",
color = color.new(color.green, 100), textcolor = color.black,
style = label.style_label_left, xloc = xloc.bar_time,
yloc = yloc.price, size = size.normal, textalign = text.align_left) // Show Sideways area label
var label lblDown = na
label.delete(lblDown)
lblDown := label.new(x = time, y = -2, text = "Negatif Trend",
color = color.new(color.green, 100), textcolor = color.black,
style = label.style_label_left, xloc = xloc.bar_time,
yloc = yloc.price, size = size.normal, textalign = text.align_left) // Show Downtrend area label
var label lblCurrentType = na
label.delete(lblCurrentType)
lblCurrentType := label.new(x = time, y = smoothType,
color = color.new(color.blue, 30), style = label.style_label_right,
xloc = xloc.bar_time, yloc = yloc.price, size = size.small) // Show the latest status label
trendCol = smoothType == 2 ? colGreen30 : smoothType == 0 ? colGray : colRed30 // Determine the color of the oscillator in different conditions
plot(smoothType, title = "Tr", color = trendCol,
linewidth = 3, offset = -lag, style = plot.style_stepline) // Draw the trend type oscillator
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