Investment & Planning

Fibonacci Retracement Calculator

Calculate Fibonacci retracement levels for uptrends and downtrends. Includes 23.6%, 38.2%, 50%, 61.8%, 78.6% with optional 161.8% and 261. Free & instant.

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What is Fibonacci Retracement Calculator?

Fibonacci retracement is one of the most popular technical analysis tools used by traders worldwide. Based on the mathematical relationships in the Fibonacci sequence, retracement levels identify potential reversal zones where price may pause or reverse during a pullback within a larger trend. Our Fibonacci retracement calculator supports both uptrend and downtrend modes. In uptrend mode, levels are calculated from the swing low upward. In downtrend mode, levels are calculated from the swing high downward. The calculator includes all standard retracement levels (0%, 23.6%, 38.2%, 50%, 61.8%, 78.6%, 100%) plus optional extension levels (161.8%, 261.8%) for profit target projection. Each level shows the exact price and the difference from the trend start, helping you identify precise entry points, set stop-losses, and plan profit targets. The visual chart maps all levels on a price axis for quick reference during trading.

Steps:

  1. Select the trend direction: Uptrend or Downtrend.
  2. Enter the swing high price of the trend.
  3. Enter the swing low price of the trend.
  4. Toggle extension levels (161.8%, 261.8%) if you want profit targets.
  5. Review all Fibonacci levels with exact prices and differences.
  6. Use the levels to plan entries, stop-losses, and profit targets.

Formula

Uptrend: Level = Low + (High − Low) × Retracement% Downtrend: Level = High − (High − Low) × Retracement% Key Levels: 0%, 23.6%, 38.2%, 50%, 61.8%, 78.6%, 100% Extension Levels: 161.8%, 261.8% Example (Uptrend): Low = $142.30, High = $185.50, Range = $43.20 61.8% = 142.30 + (43.20 × 0.618) = $168.99 50% = 142.30 + (43.20 × 0.500) = $163.90 38.2% = 142.30 + (43.20 × 0.382) = $158.79

Use Cases

  • Stock traders identifying pullback entry points in uptrends
  • Forex traders setting stop-losses below Fibonacci support
  • Crypto traders projecting profit targets with extension levels
  • Swing traders combining Fib levels with trend analysis

Key Benefits

  • Identify high-probability reversal zones
  • Set precise entry and exit targets
  • Works across all markets and timeframes
  • Combines well with other technical indicators

Pro Tips

  • Always identify the correct swing points before drawing Fib levels
  • Use the 61.8% level as your primary reversal zone
  • Combine Fib levels with candlestick reversal patterns for confirmation
  • Use extension levels (161.8%, 261.8%) as profit targets, not entry points

Common Mistakes to Avoid

  • Incorrectly identifying swing high and swing low points
  • Using Fibonacci levels in isolation without confirmation
  • Treating Fib levels as exact prices rather than zones
  • Ignoring the overall trend direction when trading retracements

Key Terms Explained

Fibonacci Retracement: Horizontal lines at key ratios showing potential reversal zones
Golden Ratio (61.8%): The most significant Fibonacci level, derived from φ = 1.618
Extension Levels: Projections beyond 100% used as profit targets (161.8%, 261.8%)
Swing High/Low: The peak and trough points used to anchor Fibonacci levels

Related Concepts

  • Pivot Point Calculator – Daily support and resistance levels
  • Golden Ratio – The mathematics behind Fibonacci levels
  • Risk-Reward Ratio Calculator – Evaluate trade quality

Example

Uptrend from $142.30 (low) to $185.50 (high). Range = $43.20. The 61.8% retracement = $142.30 + ($43.20 × 0.618) = $168.99. The 50% level = $163.90. The 38.2% level = $158.79. If price pulls back from $185.50, watch for buying opportunities near $168.99 (61.8%) or $163.90 (50%). Extension targets: 161.8% = $212.26, 261.8% = $255.46.

Frequently Asked Questions

What is Fibonacci retracement in trading?
Fibonacci retracement is a technical analysis tool that uses horizontal lines to indicate areas of support or resistance at key Fibonacci levels before the price continues in the original direction. The most important levels are 23.6%, 38.2%, 50%, 61.8%, and 78.6%, derived from the Fibonacci sequence and the golden ratio.
Why is the 61.8% level so important?
The 61.8% level (also called the 'golden ratio' or 'golden mean') is considered the most significant Fibonacci level. It appears throughout nature, art, and architecture. In trading, it's often the deepest retracement before a trend resumes, making it a critical level for identifying high-probability reversal zones.
How do I draw Fibonacci retracement on a chart?
For an uptrend: click on the swing low and drag to the swing high. For a downtrend: click on the swing high and drag to the swing low. The tool automatically plots the key levels (0%, 23.6%, 38.2%, 50%, 61.8%, 78.6%, 100%). Our calculator does this mathematically — just enter the high and low prices.
What is the difference between retracement and extension?
Retracement levels (0% to 100%) show where price might reverse during a pullback within a trend. Extension levels (161.8%, 261.8%) project where price might go after the trend resumes, serving as profit targets. Retracements help you enter; extensions help you exit.
Is the 50% level a true Fibonacci level?
Technically, 50% is not derived from the Fibonacci sequence. However, it's included because it represents a halfway retracement and is widely watched by traders. Dow Theory and Gann analysis also recognize 50% as a significant psychological level. It's one of the most commonly tested retracement levels.
Do Fibonacci retracements work in all markets?
Yes, Fibonacci retracements work across stocks, forex, commodities, and crypto. They are especially effective in markets with strong trends and high liquidity. The key is to correctly identify the swing high and swing low — the accuracy of your levels depends on the accuracy of these anchor points.
How do I use Fibonacci retracement for entry and exit?
In an uptrend, look for buying opportunities near the 38.2%, 50%, or 61.8% retracement levels. Place stop-losses below the next lower level. In a downtrend, look for shorting opportunities at these same levels. Use extension levels (161.8%, 261.8%) as profit targets for when the trend resumes.
What happens if price breaks below the 100% level?
If price breaks below the 100% retracement level (the swing low in an uptrend), it suggests the trend may be reversing rather than just retracing. This is a warning sign. Traders often use the 78.6% level as their last line of defense — a break below it increases the probability of a full trend reversal.
Can I combine Fibonacci retracement with other indicators?
Absolutely. Fibonacci retracement works best when combined with other tools. Common combinations include: Fibonacci + moving averages (confluence zones), Fibonacci + RSI (oversold/overbought at Fib levels), Fibonacci + candlestick patterns (reversal signals at Fib levels), and Fibonacci + volume (confirmation of reversals).
Why do Fibonacci levels work?
Fibonacci levels work because many traders watch and act on them, creating self-fulfilling prophecies. Additionally, the golden ratio (1.618 and its inverse 0.618) appears in natural growth patterns, and some analysts believe market psychology follows similar patterns. Whether mathematical or psychological, the levels consistently attract attention.
Should I use Fibonacci retracement on all timeframes?
Fibonacci retracement works on all timeframes, but higher timeframes (daily, weekly) produce more reliable levels than lower timeframes (1-minute, 5-minute). Many traders use a top-down approach: identify the major trend on the weekly chart, then use daily Fibonacci levels for entry timing.

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