harmonic

name	harmonic
description	Harmonic Patterns signal engine. Identifies XABCD five-point structures such as Gartley/Bat/Butterfly/Crab based on Fibonacci geometry, and generates trading signals in the PRZ (Potential Reversal Zone).
category	strategy

Harmonic Patterns

Purpose

The Fibonacci geometry school uses precise ratio relationships to identify price patterns:

Pattern	B-Point Retracement	D-Point Retracement	Direction
Gartley	0.618 XA	0.786 XA	Reversal
Bat	0.382-0.5 XA	0.886 XA	Reversal
Butterfly	0.786 XA	1.27 XA	Reversal
Crab	0.382-0.618 XA	1.618 XA	Reversal

Core Concepts

• XABCD five-point pattern: a price structure defined by precise Fibonacci ratios
• PRZ (Potential Reversal Zone): the convergence area around point D, where reversal probability is high
• Bullish pattern (point D at the bottom) → buy signal
• Bearish pattern (point D at the top) → sell signal

Dependencies

pip install pyharmonics pandas numpy requests

Parameters

Parameter	Default	Description
is_stock	False	Whether the instrument is a stock (affects analysis parameters)

Signal Convention

• 1 = long, -1 = short, 0 = stand aside