📉 Double Bottom Scanner
Reversal structure scanner using neckline resistance + swing low symmetry
Logic Overview
✔ Detects first swing low (L1)
✔ Detects second swing low (L2)
✔ Measures neckline resistance zone
✔ Calculates symmetry between left/right structure
Chart Features
• White price line = closing price
• Green dot = L1 low
• Yellow dot = L2 low
• Red horizontal line = neckline resistance
