feat: Add dual profit targets and trailing stop to 3ATR EMA strategy

pinescripts/Three_ATR_EMA.pine

@@ -1,15 +1,12 @@
 //@version=5
-strategy(title="3ATR EMA Basic", shorttitle="3ATR-Basic", overlay=true, currency=currency.USD, initial_capital=10000, commission_type=strategy.commission.percent, commission_value=0.1)
+strategy(title="3ATR EMA with Targets", shorttitle="3ATR-Target", overlay=true, currency=currency.USD, initial_capital=10000, commission_type=strategy.commission.percent, commission_value=0.1)
 
 // Inputs
 ema_length = input.int(21, "EMA Length")
 atr_multiplier = input.float(3.0, "ATR Multiplier")
-bull_market_length = input.int(200, "Bull Market SMA Period")
-
-// Get daily close prices for market state calculation
-daily_close = request.security(syminfo.tickerid, "D", close)
-bull_market_sma = ta.sma(daily_close, bull_market_length)
-bull_market = daily_close > bull_market_sma
+profit_target_1 = input.float(10, "First Profit Target (%)")
+profit_target_2 = input.float(20, "Second Profit Target (%)")
+trail_percent = input.float(2, "Trailing Stop %")
 
 // Calculations
 ema = ta.ema(close, ema_length)
@@ -17,40 +14,51 @@ atr = ta.atr(ema_length)
 upper_band = ema + (atr * atr_multiplier)
 lower_band = ema - (atr * atr_multiplier)
 
-// Modified Entry Condition (requires bull market)
-bullish_entry = bull_market and 
-               (close < ema) and 
+// Entry Condition (bull market requirement removed)
+bullish_entry = (close < ema) and 
                (close[1] <= lower_band[1]) and 
                (close > close[1])
 
-// Exit Condition (when price crosses upper band)
-bullish_exit = close > upper_band
+// Target Prices
+var float entry_price = na
+var float target_1 = na
+var float target_2 = na
+var float trail_stop = na
+var bool trail_active = false
 
-// Trade Execution
+if bullish_entry
+    entry_price := close
+    target_1 := entry_price * 1.10 // 10% profit
+    target_2 := entry_price * 1.20 // 20% profit
+    trail_active := false
+
+// Exit Conditions
+trail_activation = close >= upper_band
+profit_target_reached = close >= target_2
+
+// Trailing stop logic (activated by upper band touch)
+trail_active := trail_active or trail_activation
+trail_price = math.max(high, nz(trail_price[1], high))
+trail_stop := trail_price * (1 - trail_percent/100)
+
+// Exit strategy
+strategy.exit("First Profit", "Long", qty_percent=50, limit=target_1)
+strategy.exit("Second Exit", "Long", stop=trail_active ? trail_stop : na, limit=target_2)
+
+// Entry Execution
 if bullish_entry
     strategy.entry("Long", strategy.long)
 
-if bullish_exit
-    strategy.close("Long")
-
-// Visualization - Add market state background
-bgcolor(bull_market ? color.new(color.green, 90) : color.new(color.red, 90), title="Market State")
-
-// Original visualizations
+// Visuals
 plot(ema, "EMA", color=color.new(#4A90E2, 0))
 plot(upper_band, "Upper", color=color.orange)
 plot(lower_band, "Lower", color=color.green)
 
-plotshape(bullish_entry ? low : na, 
-          style=shape.triangleup, 
-          location=location.belowbar, 
-          color=color.new(#00FF00, 0), 
-          size=size.small,
-          title="Bull Entry")
+// Plot targets and stops
+plot(strategy.position_size > 0 ? target_1 : na, "Target 10%", color=color.gray, style=plot.style_circles)
+plot(strategy.position_size > 0 ? target_2 : na, "Target 20%", color=color.gray, style=plot.style_cross)
+plot(strategy.position_size > 0 and trail_active ? trail_stop : na, "Trail Stop", color=color.red, style=plot.style_linebr)
 
-plotshape(bullish_exit ? high : na,
-          style=shape.triangledown,
-          location=location.abovebar,
-          color=color.new(#FF0000, 0),
-          size=size.small,
-          title="Bull Exit")
+// Entry/exit markers
+plotshape(bullish_entry, style=shape.triangleup, location=location.belowbar, color=color.green, size=size.small)
+plotshape(profit_target_reached, style=shape.xcross, location=location.abovebar, color=color.gray, size=size.small)