NewMACDand/TRAILINGSTOPLOSE

//@version=5
indicator(title='MACD Divergence', shorttitle='MACD Divergence')

//MACD Histogram
source = close

fastLengt 	= input.int(12, title='Fast Length')
slowLength 	= input.int(26, minval=1, title='Slow Length')
signalLength 	= input.int(9, minval=1, title='Signal Length')

fastMA = ta.ema(source, fastLength)
slowMA = ta.ema(source, slowLength)

macd 	= fastMA - slowMA
signal	= ta.sma(macd, signalLength)
hist 	= macd - signal

outMACD 	= macd
outSignal = signal
outHist 	= hist

histA = outHist < outHist[1] and outHist > 0
histB = outHist > outHist[1] and outHist > 0
histC = outHist > outHist[1] and outHist <= 0
histD = outHist < outHist[1] and outHist <= 0

//MACD Histogram Colors
macd_above = outMACD >= outSignal
macd_below = outMACD < outSignal

plot_color = histA ? #B2DFDB : histB ? #26A69A : histC ? #FFCDD2 : histD ? #FF5252 : na
macd_color = #2962FF
signal_color = #FF6D00

plot(outMACD 		? outMACD 	: na, title='MACD Line'  , color=color.new(macd_color, 0))
plot(outSignal 	? outSignal 	: na, title='Signal Line', color=color.new(signal_color, 0))
plot(outHist 		? outHist 	: na, title='Histogram'  , color=plot_color, style=plot.style_columns)

//Bullish Divergence
bullHistB = outHist
bullHistB := ()outHist<0 and outHist[1] > 0 ? outHist : outHist > 0 ? 0 : outHist < bullHistB[1] ? outHist : bullHistB[1]
bullHistA = bullHistB
bullHistA := bullHistB == 0 and bullHistB[1] < 0 ? bullHistB[1] : bullHistA[1]

bullPriceB_high = high
bullPriceB_high := bullHistB == 0 ? 0 : bullHistB < bullHistB[1] ? high : bullPriceB_high[1]
bullPriceB_low = low
bullPriceB_low := bullHistB == 0 ? 0 : bullHistB < bullHistB[1] ? low : bullPriceB_low[1]
bullPriceA_low = bullPriceB_low
bullPriceA_low := bullPriceB_low == 0 and bullPriceB_low[1] > 0 ? bullPriceB_low[1] : bullPriceA_low[1]

bullDiv = bullHistA[1] * 0.5 < bullHistB[1] and bullPriceA_low[1] > bullPriceB_high[1] and (bullHistB < 0 and bullHistB == bullHistB[1] and bullHistB != bullHistB[2] or bullHistB == 0 and outHist[1] == bullHistA)

bgcolor(bullDiv ? color.lime : na, offset=-1, title='Bullish Divergence')
// @version=5
strategy("TheArtOfTrading.com|", overlay=true, margin_long=100, margin_short=100)

// Get user input 
int     BAR_LOOKBACK    = input.int(10, "Bar Lookback")
int     ATR_LENGTH      = input.int(14, "ATR Length")
float   ATR_MULTIPLIER  = input.float(1.0, "ATR Multiplier")

// Get indicator values 
float atrValue = ta.atr(ATR_LENGTH)

// Calculate stop loss values
var float trailingStopLoss = na 
float longStop  = ta.lowest(low, BAR_LOOKBACK) - (atrValue * ATR_MULTIPLIER)
float shortStop = ta.highest(high, BAR_LOOKBACK) + (atrValue * ATR_MULTIPLIER)

// Check if we can take trades 
bool canTakeTrades = not na(atrValue)
bgcolor(canTakeTrades ? na : color.red)

// Enter long trades (replace this entry condition)
longCondition = canTakeTrades and ta.crossover(ta.sma(close, 14), ta.sma(close, 28))
if (longCondition and strategy.position_size == 0)
    strategy.entry("Long", strategy.long)

// Enter short trades (replace this entry condition)
shortCondition = canTakeTrades and ta.crossunder(ta.sma(close, 14), ta.sma(close, 28))
if (shortCondition and strategy.position_size == 0)
    strategy.entry("Short", strategy.short)

// Update trailing stop
if (strategy.position_size > 0)
    if (na(trailingStopLoss) or longStop > trailingStopLoss)
        trailingStopLoss := longStop
else if (strategy.position_size < 0)
    if (na(trailingStopLoss) or shortStop < trailingStopLoss)
        trailingStopLoss := shortStop
else
    trailingStopLoss := na

// Exit trades with 

strategy.exit("Long Exit",  "Long",  stop=trailingStopLoss)
strategy.exit("Short Exit", "Short", stop=trailingStopLoss)

// Draw stop loss 
plot(trailingStopLoss, "Stop Loss", color.red, 1, plot.style_linebr)