CIENVSPOR• 28 Days (Normalized)
CIEN vs POR (Ciena Corporation vs Portland General Electric Co)
Showing Closing Date Range from Sep 8 to Oct 6, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
CIEN Performance $389.69
+14.18%
Ciena Corporation
Normalized Baseline0.00%
POR Performance $44.25
-10.55%
Portland General Electric Co
Normalized Baseline0.00%
Alpha Spread Margin CIEN LEADS
+24.73 pts
CIEN outperforming by 24.73 percentage points
CIENPOR
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
CIEN POR
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(19 dates)
| Date | CIEN Price | CIEN Gain (%) | POR Price | POR Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 05, 2026 | $389.69 | +14.18% | $44.25 | -10.55% | +24.73% |
| Oct 02, 2026 | $391.34 | +14.66% | $44.55 | -9.95% | +24.61% |
| Sep 30, 2026 | $351.93 | +3.12% | $44.79 | -9.46% | +12.58% |
| Sep 29, 2026 | $354.92 | +3.99% | $44.49 | -10.07% | +14.06% |
| Sep 28, 2026 | $344.19 | +0.85% | $44.18 | -10.69% | +11.54% |
| Sep 25, 2026 | $356.91 | +4.58% | $46.85 | -5.30% | +9.88% |
| Sep 24, 2026 | $358.43 | +5.02% | $46.59 | -5.82% | +10.84% |
| Sep 23, 2026 | $355.91 | +4.28% | $46.92 | -5.15% | +9.43% |
| Sep 22, 2026 | $368.56 | +7.99% | $47.37 | -4.24% | +12.23% |
| Sep 21, 2026 | $365.96 | +7.23% | $47.07 | -4.85% | +12.08% |
| Sep 18, 2026 | $348.80 | +2.20% | $47.24 | -4.51% | +6.71% |
| Sep 17, 2026 | $344.25 | +0.87% | $48.06 | -2.85% | +3.72% |
| Sep 16, 2026 | $340.50 | -0.23% | $47.91 | -3.15% | +2.92% |
| Sep 15, 2026 | $334.33 | -2.04% | $47.45 | -4.08% | +2.04% |
| Sep 14, 2026 | $319.64 | -6.34% | $48.08 | -2.81% | -3.53% |
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