feat(v4): add optional flip confirmation and ATR buffer to reduce noise; preserve v1 defaults

Bullmania_Money_Line_v4.pine

@@ -0,0 +1,66 @@
+//@version=5
+indicator("Bullmania Money Line v4", overlay=true)
+
+// Base inputs
+atrPeriod = input.int(10, "ATR Period", minval=1)
+multiplier = input.float(3.0, "Multiplier", minval=0.1, step=0.1)
+
+// Noise reduction (optional) - defaults preserve v1 behavior
+confirmBars = input.int(1, "Flip confirmation bars", minval=1, maxval=5, tooltip="Require this many consecutive closes beyond the Money Line before flipping trend. 1 = v1 behavior.")
+bufferATR = input.float(0.0, "Flip buffer (×ATR)", minval=0.0, step=0.05, tooltip="Extra distance beyond the Money Line required to flip. Example: 0.3 means close must cross by 0.3 × ATR.")
+
+atr = ta.atr(atrPeriod)
+src = (high + low) / 2
+
+up = src - (multiplier * atr)
+dn = src + (multiplier * atr)
+
+var float up1 = na
+var float dn1 = na
+
+up1 := nz(up1[1], up)
+dn1 := nz(dn1[1], dn)
+
+up1 := close[1] > up1 ? math.max(up, up1) : up
+dn1 := close[1] < dn1 ? math.min(dn, dn1) : dn
+
+var int trend = 1
+var float tsl = na
+var int buyCount = 0
+var int sellCount = 0
+
+tsl := nz(tsl[1], up1)
+
+if trend == 1
+    tsl := math.max(up1, tsl)
+    // Buffered cross + confirmation for flip down
+    sellCross = close < (tsl - bufferATR * atr)
+    sellCount := sellCross ? sellCount + 1 : 0
+    trend := sellCount >= confirmBars ? -1 : 1
+    if trend == -1
+        buyCount := 0
+else
+    tsl := math.min(dn1, tsl)
+    // Buffered cross + confirmation for flip up
+    buyCross = close > (tsl + bufferATR * atr)
+    buyCount := buyCross ? buyCount + 1 : 0
+    trend := buyCount >= confirmBars ? 1 : -1
+    if trend == 1
+        sellCount := 0
+
+supertrend = tsl
+
+// Plot the Money Line
+upTrend = trend == 1 ? supertrend : na
+downTrend = trend == -1 ? supertrend : na
+
+plot(upTrend, "Up Trend", color=color.new(color.green, 0), style=plot.style_linebr, linewidth=2)
+plot(downTrend, "Down Trend", color=color.new(color.red, 0), style=plot.style_linebr, linewidth=2)
+
+// Plot buy/sell signals
+plotshape(trend == 1 and trend[1] == -1, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.circle, size=size.small)
+plotshape(trend == -1 and trend[1] == 1, title="Sell Signal", location=location.abovebar, color=color.red, style=shape.circle, size=size.small)
+
+// Fill area between price and Money Line
+fill(plot(close, display=display.none), plot(upTrend, display=display.none), color=color.new(color.green, 90))
+fill(plot(close, display=display.none), plot(downTrend, display=display.none), color=color.new(color.red, 90))