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📏 斐波那契计算器

计算回撤和扩展水平。这是全球专业交易者使用的关键支撑与阻力工具。

快速解答： Fibonacci retracement levels (23.6%, 38.2%, 50%, 61.8%, 78.6%) identify potential pullback entry points in trending markets. The 61.8% golden ratio is the most watched level by institutional traders worldwide.

How Fibonacci Levels Are 计算d

Retracement 公式： 回调位 = 高点 − (高点 − 低点) × 比例

Key Levels: 23.6% (shallow pullback), 38.2% (common retracement), 50% (psychological —not true Fibonacci), 61.8% (Golden Ratio —most watched), 78.6% (deep retracement).
Extension 公式： 扩展位 = 高点 + (高点 − 低点) × 比例（用于 127.2%、161.8%、261.8% 的上方目标）

Why it works: These ratios appear throughout nature, architecture, and financial markets because large groups of traders collectively watch them —creating self-fulfilling support and resistance.