The short answer
Fibonacci retracement plots horizontal levels where a pullback within a trend might pause and reverse. The key levels are 23.6%, 38.2%, 50%, 61.8% (and 78.6%), drawn from one swing low to swing high (or the reverse). The 38.2–61.8% zone is where traders watch for a trend to resume. Fibonacci is not magic and is somewhat subjective — its value comes from confluence: a Fib level that lines up with structure or a moving average is far stronger than a Fib level alone.
What is Fibonacci retracement?
After a strong move, price rarely runs in a straight line — it pulls back before (often) continuing. Fibonacci retracement is a tool that marks common pullback depths as horizontal levels, giving you a map of where a dip might find support and the trend resume.
The levels come from ratios in the Fibonacci sequence, but you do not need the maths to use them. Think of them as a standardised way to measure “how deep is this pullback?”
The key levels
The retracement levels traders watch are 23.6%, 38.2%, 50%, 61.8% and sometimes 78.6%. The 50% is not a true Fibonacci ratio but is included by convention because pullbacks so often halve a move.
The 38.2% to 61.8% zone is the heart of it — a shallow-to-moderate pullback where trends frequently resume. A retracement beyond 61.8% starts to suggest the move may be failing rather than pausing.
How to draw it correctly
Draw the tool from the start of a clear swing to its end — low to high in an uptrend, high to low in a downtrend. The levels then appear across the pullback. Use obvious, significant swings on a higher timeframe; drawing off tiny, ambiguous swings produces noise.
Consistency matters more than precision. Pick a rule for which swings you measure and apply it the same way every time, or the levels become whatever you want them to be.
Fibonacci works as confluence
On its own, a Fib level is a line on a chart with modest predictive power — and because the tool is somewhat subjective, it is easy to fit to the past. Its real value is confluence: when a Fib level coincides with a support/resistance zone, a moving average, or a prior high/low, the odds of a reaction rise meaningfully.
Use Fibonacci to refine an area you already like, not to conjure levels out of nowhere. A 61.8% retracement into old support is a real zone; a 61.8% in empty space is a guess.
Trading Fibonacci levels
The typical use is a trend-following pullback entry: in an uptrend, wait for price to retrace into the Fib zone and show a reaction there, then enter with a stop below the zone (or below the swing). The trend does the work; the Fib just times the pullback.
Do not treat a level as a reason to catch a falling knife. Wait for confirmation, size from the stop, and let Fibonacci be one input among several rather than a system on its own.
Frequently Asked Questions
What are the main Fibonacci retracement levels?
23.6%, 38.2%, 50% and 61.8%, with 78.6% sometimes added. The 50% is not a true Fibonacci ratio but is included by convention. The 38.2–61.8% zone is where trends most often resume.
How do you draw a Fibonacci retracement?
Draw from the start to the end of a clear swing — low to high in an uptrend, high to low in a downtrend — using significant swings on a higher timeframe. Apply the same rule consistently for which swings you measure.
Does Fibonacci retracement actually work?
It works best as confluence rather than alone. A Fibonacci level that coincides with support or resistance, a moving average or a prior high or low is far more reliable than a Fibonacci level in isolation.
What is the most important Fibonacci level?
The 61.8% level (the 'golden ratio') is the most watched, and the 50% is widely used too. A pullback beyond 61.8% suggests the move may be failing rather than pausing.
How do I trade Fibonacci levels?
Use them for trend-following pullback entries: wait for price to retrace into the Fibonacci zone and show a reaction, then enter in the trend's direction with a stop below the zone. Treat Fibonacci as one input, not a system.