Fibonacci Retracement Basics: Finding Pullback Levels

Fibonacci retracement is a tool that marks potential support or resistance levels during a pullback, based on ratios derived from the Fibonacci number sequence.

How it’s drawn

A trader draws the tool from the start of a significant price move to its end (a swing low to swing high, or vice versa). The tool then automatically plots horizontal lines at key ratios — commonly 23.6%, 38.2%, 50%, 61.8%, and 78.6% — between those two points.

Why these specific levels

The 61.8% and 38.2% levels come directly from the Fibonacci sequence’s mathematical properties. Note that 50% isn’t technically a Fibonacci ratio, but it’s included because markets frequently retrace close to half of a prior move.

How traders use it

After a strong move, traders often watch these levels as areas where a pullback might pause or reverse before the broader trend continues, particularly when a Fibonacci level lines up with another form of support or resistance, like a prior swing high/low or a moving average.

Key takeaway

Fibonacci retracement levels are watched by enough traders that they can become somewhat self-fulfilling, but they work best as one input alongside other confirmation — like candlestick patterns or volume — rather than a standalone signal.