Fibonacci Arcs

Fibonacci Arcs are percentage arcs based on the distance between major price highs and price lows. Therefore, with a major high, major low distance of 100 units, the 31.8% Fibonacci Arc would be a 31.8 unit semi-circle.

The chart below of the S&P 500 exchange traded fund (SPY) shows an example of a Fibonacci Arc:

Fibonacci

  1. Fibonacci Basics & Fibonacci Retracements
  2. Fibonacci Arcs
  3. Fibonacci Fans
  4. Fibonacci Time Extensions
fibonacci arc

As is seen in the chart above, after the significant bear market, the rally was stopped by the 50% arc; the 50% arc retracement acted as resistance (see: Support & Resistance). The S&P 500 then used the 38.2% arc as support, bouncing between the 50% arc and the 38.2% arc for many months.

After price broke through the resistance arc at 50%, price moved up to the next significant Fibonacci ratio, 61.8%, where it found a new resistance level. The prior resistance level at 50%, after being broken, became a new support level. The next Fibonacci arc was at 100%, where price met resistance.

Yet another helpful Fibonacci tool is the Fibonacci Fan, discussed on the next page.

Next Page - Fibonacci Fans

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