Fibonacci Retracement — Trading Wiki

What Fibonacci Retracement means

Fibonacci retracement is a technical analysis tool using horizontal lines at key ratios (23.6%, 38.2%, 50%, 61.8%, 78.6%) to indicate potential support and resistance levels.

In depth

Fibonacci retracement is a technical analysis methodology that uses horizontal lines drawn at specific percentage levels derived from the Fibonacci sequence to identify potential support and resistance zones where price may reverse during a pullback within a trend. The tool is constructed by identifying a significant high and low point on a chart and dividing the vertical distance by the key Fibonacci ratios: 23.6%, 38.2%, 50%, 61.8%, and 78.6%. The mathematical foundation traces back to the 13th-century Italian mathematician Leonardo Fibonacci, whose famous sequence (1, 1, 2, 3, 5, 8, 13, 21...) produces ratios that appear throughout nature, architecture, and — many traders believe — financial markets.

The golden ratio of 61.8% is derived by dividing any number in the sequence by the number that follows it, and it is considered the most significant retracement level. Fibonacci retracements work because they become self-fulfilling prophecies: millions of traders worldwide place buy and sell orders at these levels, creating genuine supply and demand zones. Institutional algorithms are programmed to recognize these levels, further reinforcing their significance. In practice, the most reliable Fibonacci setups occur when retracement levels align with other technical factors — a concept called confluence.

For example, if the 61.8% Fibonacci retracement coincides with a horizontal support level, a rising trendline, and an area of high volume from the volume profile, the probability of a reversal at that level increases significantly. Extensions beyond 100% (127.2%, 161.8%, 261.8%) are used to project profit targets during trending moves. These extension levels help traders determine where a trend might exhaust itself after a breakout. Time-based Fibonacci analysis (Fibonacci time zones) is a more advanced application that attempts to predict when reversals might occur.

Key points

• Key levels: 23.6%, 38.2%, 50%, 61.8%, and 78.6%
• The 61.8% golden ratio is the most watched retracement level
• Works best when combined with other confluence factors

Practical tip

The 61.8% level is the 'golden pocket' — the highest-probability reversal zone. For even better entries, look for the 61.8%-78.6% zone combined with a bullish candlestick pattern. That confluence is institutional-grade precision.

Why it matters when you are learning

Fibonacci levels give you a mathematical framework for identifying high-probability entry points during pullbacks in trending markets.

Practising Fibonacci Retracement on the simulator

Recognising Fibonacci Retracement on a static example is easy; spotting it on the right-hand edge of a live chart, before the outcome is known, is the actual skill. Open the practice desk, scan a handful of instruments you already follow until you find a candidate, and mark the level that would prove the read wrong. Take a small simulated position, then come back a day later and compare what happened with what this page describes. Educational simulation only — not financial advice.