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Breakout of fractals with alternating signals

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📌 Indicator Name: Break of Fractal Body (with Alternating Signals and Extended Lines)
🔍 Purpose:
This indicator detects swing highs and lows (fractals) based on candle body closes, not wicks. It then:

Confirms a breakout when the price closes beyond the body of the fractal.

Alternates signals: a "long" signal only appears after a "short", and vice versa.

Draws a horizontal line from the original fractal bar (where it formed) to the current bar where the breakout happens.

⚙️ Key Features:
✅ Fractals Based on Candle Bodies Only:

A top fractal is where the candle body is higher than len candles on both sides.

A bottom fractal is where the candle body is lower than len candles on both sides.

✅ Breakout Confirmation:

A bullish breakout is when price closes above the last top body fractal.

A bearish breakout is when price closes below the last bottom body fractal.

Breakouts are only recognized if they alternate: you won’t get multiple long/shorts in a row.

✅ Visual Elements:

🔺 Red triangle: Top body fractal.

🔻 Green triangle: Bottom body fractal.

📈 Label BUY: when price breaks a top body fractal.

📉 Label SELL: when price breaks a bottom body fractal.

➖ Horizontal line: drawn from the fractal bar to the breakout bar, showing the exact level of breakout.

✅ Alerts:

Alert when a bullish breakout occurs.

Alert when a bearish breakout occurs.

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