Fibonacci retracements mark how far a pullback has gone as a percentage of the previous move. They're among the most widely used drawing tools, which is part of why price often reacts near them.
Fibonacci retracement marks levels between a swing low and high, at 23.6%, 38.2%, 50%, 61.8% and 78.6%, where a pullback may pause. The 50% level is not a Fibonacci number at all. They organise levels rather than predict, and only matter where price actually reacts.

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Open XAUUSD with ICT AutoFib →The common retracement levels are 23.6%, 38.2%, 50%, 61.8% and 78.6%. They come from ratios in the Fibonacci sequence (50% isn't a Fibonacci ratio, but traders watch it anyway). A 50% retracement of a move from 1.1000 to 1.1200 is 1.1100.
Most traders don't trade Fibonacci levels alone. They look for confluence: a level that lines up with prior support or resistance, a trendline or a round number, plus a rejection candle as confirmation. The 38.2% to 61.8% zone is often watched as a "normal" pullback area in a healthy trend.

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Play free, no signup →Different traders pick different swing points, so there's no single "correct" drawing, and price regularly moves straight through the levels. Treat Fibonacci as a way to frame a pullback, not as a prediction.
38.2%, 50% and 61.8% are the most watched; 23.6% and 78.6% are also common.
In an uptrend, draw from the swing low to the swing high; in a downtrend, from the swing high to the swing low.
It's a framing tool rather than a signal. Many traders use it alongside structure and confirmation rather than on its own.
Not strictly, since it doesn't come from the Fibonacci sequence, but it's widely watched as a midpoint of the move.

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