QuantAbundanciaAbundance, Quantified.
CIEN · Fibonacci levels

Ciena Corporation - Fib retracement grid

Auto-computed from the 252-day swing window. Key anchors (0.382 / 0.5 / 0.618 / 0.786) match the curated Fib basket QuantAbundancia tracks.

Last close
$418.91
52w high
$637.51
2026-06-03
52w low
$76.890
2025-07-14
Range
$560.62
729.1%

Retracements (high → low)

  • 0.000$637.51+52.2% from last
  • 0.236$505.20+20.6% from last
  • 0.382KEY$423.35+1.1% from last
  • 0.500KEY$357.20-14.7% from last
  • 0.618KEY$291.05-30.5% from last
  • 0.786KEY$196.86-53.0% from last
  • 1.000$76.890-81.6% from last

Extensions (past high)

  • 1.272$790.00+88.6% from last
  • 1.414$869.61+107.6% from last
  • 1.618$983.97+134.9% from last
  • 2.000$1,198.13+186.0% from last
  • 2.618$1,544.59+268.7% from last
Alert me on $CIENFull CIEN page →Manual high/low input →

Educational tools. Outputs are math, not advice. Verify against your broker before placing any order.