OIIVSUMC• 28 Days (Normalized)
OII vs UMC (Oceaneering International Inc. vs United Microelectronics Corporation (NEW))
Showing Closing Date Range from Aug, 19 to Sep, 16, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
OII Performance $46.61
-11.54%
Oceaneering International Inc.
Normalized Baseline0.00%
UMC Performance $22.53
+24.34%
United Microelectronics Corporation (NEW)
Normalized Baseline0.00%
Alpha Spread Margin UMC LEADS
-35.88%
UMC outperforming by 35.88%
OIIUMC
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
OII UMC
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(20 dates)
| Date | OII Price | OII Gain (%) | UMC Price | UMC Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 16, 2026 | $46.61 | -11.54% | $22.53 | +24.34% | -35.88% |
| Sep 15, 2026 | $47.68 | -9.51% | $21.61 | +19.26% | -28.77% |
| Sep 14, 2026 | $46.56 | -11.63% | $21.90 | +20.86% | -32.49% |
| Sep 11, 2026 | $51.09 | -3.04% | $22.64 | +24.94% | -27.98% |
| Sep 10, 2026 | $50.57 | -4.02% | $22.12 | +22.08% | -26.10% |
| Sep 09, 2026 | $48.49 | -7.97% | $22.69 | +25.22% | -33.19% |
| Sep 08, 2026 | $50.68 | -3.81% | $21.82 | +20.42% | -24.23% |
| Sep 04, 2026 | $51.40 | -2.45% | $20.77 | +14.62% | -17.07% |
| Sep 03, 2026 | $51.78 | -1.73% | $19.86 | +9.60% | -11.33% |
| Sep 02, 2026 | $51.63 | -2.01% | $19.97 | +10.21% | -12.22% |
| Sep 01, 2026 | $51.32 | -2.60% | $20.47 | +12.97% | -15.57% |
| Aug 31, 2026 | $51.76 | -1.77% | $19.88 | +9.71% | -11.48% |
| Aug 28, 2026 | $50.59 | -3.99% | $19.79 | +9.22% | -13.21% |
| Aug 27, 2026 | $51.21 | -2.81% | $19.07 | +5.24% | -8.05% |
| Aug 26, 2026 | $49.62 | -5.83% | $19.03 | +5.02% | -10.85% |
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