PDH

//@version=5 strategy("Previous Day Liquidity Sweep Strategy", overlay=true, pyramiding=0, process_orders_on_close=true, initial_capital=100000) // ───────────────────── Inputs ───────────────────── pivotLength = input.int(3, "Swing pivot length", minval=1) maxTrades = input.int(3, "Maximum trades per day", minval=1, maxval=3) // ───────────────── Previous-day levels ───────────── prevDayHigh = request.security(syminfo.tickerid, "D", high[1], lookahead=barmerge.lookahead_on) prevDayLow = request.security(syminfo.tickerid, "D", low[1], lookahead=barmerge.lookahead_on) plot(prevDayHigh, "Previous Day High", color=color.red, linewidth=2, style=plot.style_linebr) plot(prevDayLow, "Previous Day Low", color=color.lime, linewidth=2, style=plot.style_linebr) // ─────────────────── Swing targets ───────────────── pivotLow = ta.pivotlow(low, pivotLength, pivotLength) pivotHigh = ta.pivothigh(high, pivotLength, pivotLength) var float lastSwingLow = na var float lastSwingHigh = na if not na(pivotLow) lastSwingLow := pivotLow if not na(pivotHigh) lastSwingHigh := pivotHigh // ───────────────── Daily reset ───────────────────── newDay = ta.change(time("D")) != 0 var int tradesToday = 0 var float dayHigh = na var float dayLow = na if newDay tradesToday := 0 dayHigh := high dayLow := low else dayHigh := na(dayHigh) ? high : math.max(dayHigh, high) dayLow := na(dayLow) ? low : math.min(dayLow, low) // ──────────────── Candle definitions ─────────────── redCandle = close < open greenCandle = close > open flat = strategy.position_size == 0 // ──────────────── Short-side state ───────────────── var bool shortInitialLiquidityTouched = false var bool shortCanSearch = false var bool shortNeedNewHigh = false var bool shortAwaitSweep = false var float shortLastRedHigh = na var int shortPendingBar = na var float shortPendingLow = na var float shortPendingHigh = na var float shortPendingTarget = na // ───────────────── Long-side state ───────────────── var bool longInitialLiquidityTouched = false var bool longCanSearch = false var bool longNeedNewLow = false var bool longAwaitSweep = false var float longLastGreenLow = na var int longPendingBar = na var float longPendingHigh = na var float longPendingLow = na var float longPendingTarget = na if newDay shortInitialLiquidityTouched := false shortCanSearch := false shortNeedNewHigh := false shortAwaitSweep := false shortLastRedHigh := na shortPendingBar := na longInitialLiquidityTouched := false longCanSearch := false longNeedNewLow := false longAwaitSweep := false longLastGreenLow := na longPendingBar := na // ───── Detect finished trades and require new liquidity ───── if strategy.position_size[1] < 0 and strategy.position_size == 0 shortAwaitSweep := true if strategy.position_size[1] > 0 and strategy.position_size == 0 longAwaitSweep := true // First liquidity touch: previous day high / low if flat and not shortInitialLiquidityTouched and high > prevDayHigh shortInitialLiquidityTouched := true shortCanSearch := true if flat and not longInitialLiquidityTouched and low < prevDayLow longInitialLiquidityTouched := true longCanSearch := true // For a second/third short: sweep above the previous red candle high if flat and shortAwaitSweep and high > shortLastRedHigh shortAwaitSweep := false shortCanSearch := true // For a second/third long: sweep below the previous green candle low if flat and longAwaitSweep and low < longLastGreenLow longAwaitSweep := false longCanSearch := true // If previous setup did not confirm, require a new high / low of the day if flat and shortNeedNewHigh and high > dayHigh[1] shortNeedNewHigh := false shortCanSearch := true if flat and longNeedNewLow and low < dayLow[1] longNeedNewLow := false longCanSearch := true // ─────── Strict next-candle confirmation of short setup ─────── shortCheckedThisBar = not na(shortPendingBar) and shortPendingBar == bar_index - 1 if shortCheckedThisBar if flat and tradesToday < maxTrades and low < shortPendingLow and shortPendingTarget < close shortId = "Short " + str.tostring(tradesToday + 1) strategy.entry(shortId, strategy.short) strategy.exit("Short Exit " + str.tostring(tradesToday + 1), from_entry=shortId, stop=shortPendingHigh, limit=shortPendingTarget) tradesToday += 1 shortLastRedHigh := shortPendingHigh else // Next candle did not break the red candle low: // wait for a fresh high of the present day. shortNeedNewHigh := true shortPendingBar := na // ─────── Strict next-candle confirmation of long setup ──────── longCheckedThisBar = not na(longPendingBar) and longPendingBar == bar_index - 1 if longCheckedThisBar if flat and tradesToday < maxTrades and high > longPendingHigh and longPendingTarget > close