60 lines
2.1 KiB
Plaintext
60 lines
2.1 KiB
Plaintext
//@version=5
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strategy(title="Three ATR EMA Strategy w/ Trailing", shorttitle="3ATR-EMA Trailing", overlay=true, currency=currency.USD, initial_capital=10000, default_qty_type=strategy.percent_of_equity, commission_type=strategy.commission.percent, commission_value=0.1)
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// Inputs
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ema_length = input.int(21, "EMA Length", minval=1)
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atr_multiplier = input.float(3.0, "ATR Multiplier", step=0.1)
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show_bulls = input.bool(true, "Show Bullish Markers")
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trail_percent = input.float(2.0, "Trailing Stop %", step=0.1)
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// Calculate EMA and ATR-based bands
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ema = ta.ema(close, ema_length)
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upper_band = ema + (ta.atr(ema_length) * atr_multiplier)
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lower_band = ema - (ta.atr(ema_length) * atr_multiplier)
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// Strategy Conditions
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bullish_entry = (close < ema) and
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(close[1] <= lower_band[1]) and
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(close > close[1])
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// Trailing Stop Logic
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var float stop_price = na
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var float trail_price = na
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var bool trail_active = false
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if bullish_entry
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strategy.entry("Long", strategy.long)
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trail_price := na // Reset on new entry
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trail_active := false
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if strategy.position_size > 0
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// Activate trailing when price hits upper band
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if close >= upper_band
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trail_active := true
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// Update trailing price when active
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if trail_active
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trail_price := math.max(high, nz(trail_price, high))
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// Calculate stop price (now using declared variable)
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stop_price := trail_active ? trail_price * (1 - trail_percent/100) : na
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// Submit exit order
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if trail_active
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strategy.exit("Trail Exit", "Long", stop=stop_price)
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// Visual elements
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plot(ema, "EMA", color=color.new(#4A90E2, 0))
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plot(upper_band, "Upper", color=color.new(#F5A623, 0))
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plot(lower_band, "Lower", color=color.new(#7ED321, 0))
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// Plot trailing stop line
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plot(strategy.position_size > 0 and trail_active ? stop_price : na, "Trailing Stop", color=color.red, style=plot.style_linebr)
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plotshape(show_bulls and bullish_entry ? low : na,
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style=shape.triangleup,
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location=location.belowbar,
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color=color.new(#00FF00, 0),
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size=size.small,
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title="Bull Signal")
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