Update strategies/Candle_Bear-Bull_v6.pine

strategies/Candle_Bear-Bull_v6.pine

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+//@version=6
+strategy('Hammer Candle Strategy', overlay = true, initial_capital = 10000, default_qty_type = strategy.percent_of_equity, default_qty_value = 100)
+
+// Inputs for customization
+hammertBodyRatio = input.float(0.3, title = 'Max Body Size Ratio', minval = 0.1, maxval = 0.5, step = 0.1)
+hammerWickRatio = input.float(2.0, title = 'Min Wick to Body Ratio', minval = 1.0, maxval = 5.0, step = 0.1)
+
+// Function to determine if a candle is bullish or bearish
+is_candle_bullish(index) =>
+    close[index] > open[index]
+
+is_candle_bearish(index) =>
+    close[index] < open[index]
+
+// Hammer Candle Detection Function
+//isHammer() =>
+string dbg = ''
+bodySize = math.abs(close - open)
+totalRange = high - low
+
+// Calculate upper and lower wicks
+upperWick = high - math.max(close, open)
+lowerWick = math.min(close, open) - low
+
+// Check if body is small (less than 30% of total candle range)
+isSmallBody = bodySize <= totalRange * hammertBodyRatio
+//plotchar(isSmallBody, title="lw", char='-', location=location.abovebar,  color=#40fbf5,  size=size.small)
+
+// Lower/Upper wick should be at least 2x the body size and significantly long
+bool isLongUpperWick = upperWick >= totalRange * 0.5 and upperWick >= bodySize * hammerWickRatio
+bool isLongLowerWick = lowerWick >= totalRange * 0.5 and lowerWick >= bodySize * hammerWickRatio
+//plotchar(isLongUpperWick, title="LW", char='L', location=location.abovebar,  color=color.fuchsia,  size=size.small)
+//plotchar(isLongLowerWick, title="lw", char='l', location=location.belowbar,  color=color.fuchsia,  size=size.small)
+
+// Minimal lower/upper wick
+bool isShortUpperWick = upperWick <= bodySize * 0.5 or upperWick <= totalRange * 0.2
+bool isShortLowerWick = lowerWick <= bodySize * 0.5 or lowerWick <= totalRange * 0.2
+//plotchar(isShortUpperWick, title="Bullish Candle", char='S', location=location.abovebar,  color=color.fuchsia,  size=size.small)
+//plotchar(isShortLowerWick, title="Bullish Candle", char='s', location=location.belowbar,  color=color.fuchsia,  size=size.small)
+
+// Bullish Hammer (Green/White)
+isBullishHammer = isSmallBody and isShortUpperWick and isLongLowerWick //and is_candle_bearish(1) and is_candle_bearish(2) // and close > open 
+
+// Bearish Hammer (Red/Black)
+isBearishHammer = isSmallBody and isLongUpperWick and isShortLowerWick // and is_candle_bullish(1) and is_candle_bullish(2) // and close < open 
+if isBearishHammer
+    dbg := 'TEST: ' + str.tostring(isShortUpperWick) + ' | ' + str.tostring(upperWick) + ' | ' + str.tostring(bodySize) + ' | ' + str.tostring(totalRange) + ' | '
+    dbg
+
+//    [isBullishHammer, isBearishHammer, dbg]
+
+//[bullish, bearish, deb] = isHammer()
+bullish = isBullishHammer
+bearish = isBearishHammer
+// Plot a '*' when close is above open (bullish candle)
+plotchar(bullish, title = 'Bullish Candle', char = '*', location = location.belowbar, color = color.green, size = size.small)
+
+// Plot an '*' when close is below open (bearish candle)
+plotchar(bearish, title = 'Bearish Candle', char = '*', location = location.abovebar, color = color.red, size = size.small)
+
+bullish := isBullishHammer and is_candle_bullish(1) and is_candle_bullish(2)
+bearish := isBearishHammer and is_candle_bullish(1) and is_candle_bullish(2)
+
+// Plot hammer candle markers
+plotshape(bullish, title = 'Bullish Hammer', location = location.belowbar, style = shape.triangleup, size = size.small, color = color.green)
+
+plotshape(bearish, title = 'Bearish Hammer', location = location.abovebar, style = shape.triangledown, size = size.small, color = color.red)
+
+// Trading logic
+if bullish
+    strategy.entry('Long', strategy.long)
+
+if bearish
+    strategy.entry('Short', strategy.short)