Fibonacci Retracements
Where do pullbacks tend to end? Fibonacci levels have an uncanny answer.
Researched and written by Laurent The Origin
The Fibonacci sequence (0, 1, 1, 2, 3, 5, 8, 13, 21, 34...) is a mathematical series where each number is the sum of the two before it. The ratios between consecutive Fibonacci numbers converge to 1.618 (the Golden Ratio). Divide any number by the one two positions ahead and you get approximately 0.382. These ratios (0.236, 0.382, 0.500, 0.618, 0.786) are the retracement levels.
Whether markets are actually governed by mathematical principles found in nature is debated. What's undeniable is that Fibonacci levels are watched by enough professional traders that price frequently reacts to them. That makes them self-fulfilling to a significant degree.
How to Draw Fibonacci Retracements
The tool in your charting platform (MT4, MT5, TradingView) draws the levels automatically. You provide two points:
- In an uptrend: Click at the swing LOW, drag to the swing HIGH. The retracement levels (23.6%, 38.2%, etc.) appear between those points, showing where a pullback might find support.
- In a downtrend: Click at the swing HIGH, drag to the swing LOW. The levels show where a bounce might find resistance.
Fibonacci Levels Drawn on an Uptrend
Here is a worked example: EUR/USD rallies from a swing low at 1.0600 to a swing high at 1.1000 (400 pips). You draw the Fibonacci tool from the low to the high. The retracement levels automatically appear between them. A subsequent pullback will most likely find support at one of these levels:
In this example, the pullback found support exactly at the 61.8% Golden Ratio. That's the textbook outcome traders look for: a deep but not full retracement, ideally aligned with other support like a prior breakout zone or a rising 50 EMA.
The Key Levels and Their Significance
| Level | Significance | Typical Behavior |
|---|---|---|
| 23.6% | Shallow retracement | Only holds in very strong trends. If this level breaks, price likely goes deeper. |
| 38.2% | Normal retracement | Common reversal zone in strong uptrends. Often aligns with short-term support. |
| 50% | Psychological midpoint | Not a true Fibonacci ratio, but heavily watched. Many reversals occur here. |
| 61.8% | The Golden Ratio. Most important level. | The "last line of defense" in a pullback. Holding here signals the trend is very healthy. |
| 78.6% | Deep retracement | If this breaks, the original swing is probably being fully retraced. |
Fibonacci Confluence
The most powerful setups occur when a Fibonacci level coincides with another form of support or resistance:
- 61.8% fib level aligns with a previous swing high (now acting as support)
- 38.2% fib level aligns with a rising 50 SMA
- 50% fib level aligns with a prior breakout zone
When two or more independent tools point to the same price level, that level is likely to be significant. The more confluence, the higher the probability that price reacts there.
Fibonacci Retracement vs Extension
Retracements measure how far a pullback goes within a move. Extensions (covered in the next lesson) measure how far the next leg might travel beyond the original move. Retracements find entries; extensions find targets.
Key Takeaways
- • Draw from swing low to swing high (uptrend) or swing high to swing low (downtrend).
- • Key levels: 23.6%, 38.2%, 50%, 61.8% (the Golden Ratio), 78.6%.
- • Fibonacci confluence, when a fib level aligns with horizontal S/R, creates very strong zones.
- • Fibonacci levels work because enough traders believe in them and act on them.