Fibonacci Extension Calculator
Calculate Fibonacci extension levels for price targets in trading. Supports uptrend and downtrend extensions with customizable ratios.
What Is a Fibonacci Extension Calculator?
A Fibonacci Extension Calculator helps traders identify potential price targets by calculating extension levels based on Fibonacci ratios. By entering a swing low and swing high, the calculator projects where the price might reach as it continues in the trend direction.
Key Formulas
Fibonacci extension levels are calculated by multiplying the price difference by key Fibonacci ratios:
$$\text{Price Difference} = \text{Swing High} - \text{Swing Low}$$
$$\text{Uptrend Extension}_{ratio} = \text{Swing High} + (\text{ratio} \times \text{Difference})$$
$$\text{Downtrend Extension}_{ratio} = \text{Swing Low} - (\text{ratio} \times \text{Difference})$$
How to Use
- Enter swing low: The lowest price in the recent price move.
- Enter swing high: The highest price in the recent price move.
- Select trend direction: Choose Uptrend (Bullish) for upward price targets or Downtrend (Bearish) for downward targets.
- Review extension levels: The calculator shows levels from 0.618x to 4.236x, each representing a potential price target.
Standard Extension Ratios
- 0.618 (61.8%): First minor extension level
- 1.000 (100%): Full extension equal to the initial move
- 1.272 (127.2%): Common profit-taking level
- 1.618 (161.8%): The golden ratio extension, most widely watched
- 2.618 (261.8%): Extreme extension for strong trends
Related Tools
For more trading and financial tools, try our Fibonacci Retracement Calculator and Swing Trading Calculator.
Frequently Asked Questions
What is the most important Fibonacci extension level?
The 1.618 (161.8%) extension is the most widely watched level in technical analysis. It is based on the golden ratio and often acts as a significant price target. Many traders take profits or look for reversals near this level.
How is the Fibonacci extension different from retracement?
Fibonacci retracements measure pullbacks within a trend (how far price might correct), while extensions project where the price might go beyond the original move. Retracements use ratios like 0.382, 0.5, and 0.618, while extensions use 1.272, 1.618, and beyond.
What time frame works best for Fibonacci extensions?
Fibonacci extensions work across all time frames, from 1-minute charts for day trading to monthly charts for long-term investing. Higher time frames generally produce more reliable levels. Combine with other indicators like volume and support/resistance for confirmation.
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