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Free Fibonacci Retracement & Extension Calculator Online

Calculate key golden ratio pullback levels (23.6%, 38.2%, 50%, 61.8%, 78.6%) and profit extension targets (127.2%, 161.8%, 261.8%). — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
0ms Trading EngineIEEE-754 Analytical Model
R3 Resistance162.33
R2 Resistance158.67
R1 Resistance155.33
Central Pivot151.67
S1 Support148.33
S2 Support144.67
S3 Support141.33

How It Works

1

Select Trend Direction

Choose Uptrend (measuring pullback from low to high) or Downtrend.

2

Input Swing High & Low

Enter the precise peak and trough prices of the current impulse wave.

3

Analyze Retracement Levels

Identify golden pocket entry zones around 61.8% and 78.6%.

4

Determine Extension Targets

Set profit-taking limit orders at the 127.2% and 161.8% Fibonacci extensions.

Frequently Asked Questions

0.618 is derived from the mathematical Fibonacci sequence where each number is roughly 1.618 times the previous number.

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