Market Shift Strategy

//version=5
strategy("Market Shift Strategy", overlay=true, margin_long=100, margin_short=100)

// Inputs
htfTimeframe = input.timeframe("4H", title="Higher Timeframe")
obLookback = input.int(50, title="Order Block Lookback Period")

// 1. Check HTF Market Structure (Bullish)
htfHigh = request.security(syminfo.tickerid, htfTimeframe, high)
htfLow = request.security(syminfo.tickerid, htfTimeframe, low)

htfBullish = htfHigh[2] < htfHigh[1] and htfHigh[1] < htfHigh[0] and
htfLow[2] < htfLow[1] and htfLow[1] < htfLow[0]

// 2. Find HTF Support (Recent Swing Low)
var float htfSupport = na
htfSwingLow = ta.pivotlow(htfLow, 2, 2)
if not na(htfSwingLow)
htfSupport := htfSwingLow

// 3. Detect Order Blocks on LTF
var float[] obHighs = array.new_float()
var float[] obLows = array.new_float()

detectOB() =>
bearishCandle = close[1] < open[1]
bullishBreak = close > high[1]
nearSupport = math.abs(low[1] - htfSupport) <= htfSupport * 0.005

if bearishCandle and bullishBreak and nearSupport and htfBullish
array.unshift(obHighs, high[1])
array.unshift(obLows, low[1])

// Keep only recent OBs
if array.size(obHighs) > obLookback
array.pop(obHighs)
array.pop(obLows)

detectOB()

// 4. Entry Conditions
var bool entrySignal = false
var float entryPrice = na
var float stopLoss = na
var float takeProfit = na

for i = 0 to array.size(obHighs)-1
obH = array.get(obHighs, i)
obL = array.get(obLows, i)

// Check price return to OB zone
if low <= obH and high >= obL and not entrySignal
entrySignal := true
entryPrice := obL
stopLoss := obL - (obL * 0.001)
takeProfit := htfHigh[0]
break

// 5. Execute Strategy
if entrySignal
strategy.entry("Long", strategy.long)
strategy.exit("Exit", "Long", stop=stopLoss, limit=takeProfit)
entrySignal := false

// Plotting
plotshape(entrySignal, style=shape.triangleup, color=color.green, location=location.belowbar)
plot(stopLoss, "Stop Loss", color=color.red, linewidth=2)
plot(takeProfit, "Take Profit", color=color.green, linewidth=2)