OIIVSUMC• 6 Months (Normalized)
OII vs UMC (Oceaneering International Inc. vs United Microelectronics Corporation (NEW))
Showing Closing Date Range from Mar, 20 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
+33.32%
Oceaneering International Inc.
Normalized Baseline0.00%
UMC Performance $22.53
+147.04%
United Microelectronics Corporation (NEW)
Normalized Baseline0.00%
Alpha Spread Margin UMC LEADS
-113.72%
UMC outperforming by 113.72%
OIIUMC
Spread Trajectory6 Months (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(124 dates)
| Date | OII Price | OII Gain (%) | UMC Price | UMC Gain (%) | Spread |
|---|---|---|---|---|---|
| Sep 16, 2026 | $46.61 | +33.32% | $22.53 | +147.04% | -113.72% |
| Sep 15, 2026 | $47.68 | +36.38% | $21.61 | +136.95% | -100.57% |
| Sep 14, 2026 | $46.56 | +33.18% | $21.90 | +140.13% | -106.95% |
| Sep 11, 2026 | $51.09 | +46.14% | $22.64 | +148.25% | -102.11% |
| Sep 10, 2026 | $50.57 | +44.65% | $22.12 | +142.54% | -97.89% |
| Sep 09, 2026 | $48.49 | +38.70% | $22.69 | +148.79% | -110.09% |
| Sep 08, 2026 | $50.68 | +44.97% | $21.82 | +139.25% | -94.28% |
| Sep 04, 2026 | $51.40 | +47.03% | $20.77 | +127.74% | -80.71% |
| Sep 03, 2026 | $51.78 | +48.11% | $19.86 | +117.76% | -69.65% |
| Sep 02, 2026 | $51.63 | +47.68% | $19.97 | +118.97% | -71.29% |
| Sep 01, 2026 | $51.32 | +46.80% | $20.47 | +124.45% | -77.65% |
| Aug 31, 2026 | $51.76 | +48.05% | $19.88 | +117.98% | -69.93% |
| Aug 28, 2026 | $50.59 | +44.71% | $19.79 | +117.00% | -72.29% |
| Aug 27, 2026 | $51.21 | +46.48% | $19.07 | +109.10% | -62.62% |
| Aug 26, 2026 | $49.62 | +41.93% | $19.03 | +108.66% | -66.73% |
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