CIENVSPOR• 3 Months (Normalized)
CIEN vs POR (Ciena Corporation vs Portland General Electric Co)
Showing Closing Date Range from Jul 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
-11.63%
Ciena Corporation
Normalized Baseline0.00%
POR Performance $44.25
-15.29%
Portland General Electric Co
Normalized Baseline0.00%
Alpha Spread Margin CIEN LEADS
+3.66 pts
CIEN outperforming by 3.66 percentage points
CIENPOR
Spread Trajectory3 Months (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(62 dates)
| Date | CIEN Price | CIEN Gain (%) | POR Price | POR Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 05, 2026 | $389.69 | -11.63% | $44.25 | -15.29% | +3.66% |
| Oct 02, 2026 | $391.34 | -11.25% | $44.55 | -14.72% | +3.47% |
| Sep 30, 2026 | $351.93 | -20.19% | $44.79 | -14.26% | -5.93% |
| Sep 29, 2026 | $354.92 | -19.51% | $44.49 | -14.84% | -4.67% |
| Sep 28, 2026 | $344.19 | -21.95% | $44.18 | -15.43% | -6.52% |
| Sep 25, 2026 | $356.91 | -19.06% | $46.85 | -10.32% | -8.74% |
| Sep 24, 2026 | $358.43 | -18.72% | $46.59 | -10.82% | -7.90% |
| Sep 23, 2026 | $355.91 | -19.29% | $46.92 | -10.18% | -9.11% |
| Sep 22, 2026 | $368.56 | -16.42% | $47.37 | -9.32% | -7.10% |
| Sep 21, 2026 | $365.96 | -17.01% | $47.07 | -9.90% | -7.11% |
| Sep 18, 2026 | $348.80 | -20.90% | $47.24 | -9.57% | -11.33% |
| Sep 17, 2026 | $344.25 | -21.93% | $48.06 | -8.00% | -13.93% |
| Sep 16, 2026 | $340.50 | -22.78% | $47.91 | -8.29% | -14.49% |
| Sep 15, 2026 | $334.33 | -24.18% | $47.45 | -9.17% | -15.01% |
| Sep 14, 2026 | $319.64 | -27.51% | $48.08 | -7.96% | -19.55% |
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