Fibonacci Retracement Calculator
Find where price is likely to pause or reverse. Enter your swing high and swing low to map every key Fibonacci retracement and extension level in one click.
The highest price of the move you are measuring.
The lowest price of the move you are measuring.
Uptrend retraces down from the high; downtrend retraces up from the low.
The 61.8% level — the most-watched retracement — sits at 1.08955 for this move.
For educational purposes only. Read our risk warning before trading.
How Fibonacci Levels Are Calculated
Take the full range of a price swing, then multiply it by each Fibonacci ratio. In an uptrend you subtract that amount from the high to find where a pullback may pause. In a downtrend you add it to the low. Extension ratios above 1.0 project targets beyond the move in the trend's direction.
The Key Fibonacci Ratios
| Ratio | Type | What traders watch for |
|---|---|---|
| 23.6% | Retracement | Shallow pullback — common in very strong, fast trends. |
| 38.2% | Retracement | A modest pullback that often holds in healthy trends. |
| 50.0% | Retracement | Not a true Fibonacci ratio, but a widely tracked midpoint. |
| 61.8% | Retracement | The "golden ratio" — the most-watched reversal zone. |
| 78.6% | Retracement | A deep pullback; a break beyond it often questions the trend. |
| 127.2% / 161.8% | Extension | Projected targets beyond the swing for trend continuation. |
Frequently Asked Questions
It is a set of horizontal levels drawn between a swing high and swing low, marking percentages of that range where price often pauses or reverses. The 23.6%, 38.2%, 50%, 61.8% and 78.6% levels are the most commonly tracked.
61.8% comes from dividing a number in the Fibonacci sequence by the one after it. Because so many traders watch this level, it frequently acts as a meaningful support or resistance zone — often called the "golden pocket".
Use the start and end of the most recent clear price move. In an uptrend, the low is where the move began and the high is its peak. In a downtrend, reverse it. Picking obvious swing points keeps the levels relevant.
Extensions like 127.2% and 161.8% project beyond the original swing to estimate where a continuing trend might reach. Traders use them as educational reference targets, not as predictions of certain outcomes.
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