COLAVSCOLB• 28 Days (Normalized)
COLA vs COLB (Columbus Acquisition Corp vs Columbia Banking System Inc.)
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.
COLA Performance $2.86
+%
Columbus Acquisition Corp
Normalized Baseline0.00%
COLB Performance $28.37
-5.78%
Columbia Banking System Inc.
Normalized Baseline0.00%
Alpha Spread Margin COLA LEADS
+5.78 pts
COLA outperforming by 5.78 percentage points
COLACOLB
Spread Trajectory28 Days (Normalized)
Cumulative Performance Trajectory
Interactive divergence comparison normalized at 0.00% on start date.
COLA COLB
Comparative Historical Ledger
Daily closing prices, normalized percentages, and relative spread divergence.
Historical Quotes & Breakdown(21 dates)
| Date | COLA Price | COLA Gain (%) | COLB Price | COLB Gain (%) | Spread |
|---|---|---|---|---|---|
| Oct 09, 2026 | $- | $28.37 | -5.78% | - | |
| Oct 08, 2026 | $- | $28.53 | -5.25% | - | |
| Oct 07, 2026 | $- | $28.26 | -6.14% | - | |
| Oct 06, 2026 | $- | $28.89 | -4.05% | - | |
| Oct 05, 2026 | $- | $28.84 | -4.22% | - | |
| Oct 02, 2026 | $- | $28.92 | -3.95% | - | |
| Oct 01, 2026 | $2.86 | -73.04% | $- | - | |
| Sep 30, 2026 | $7.30 | -31.20% | $- | - | |
| Sep 29, 2026 | $10.45 | -1.51% | $- | - | |
| Sep 28, 2026 | $10.64 | +0.26% | $- | - | |
| Sep 25, 2026 | $10.45 | -1.51% | $- | - | |
| Sep 24, 2026 | $10.70 | +0.85% | $29.18 | -3.09% | +3.94% |
| Sep 23, 2026 | $10.70 | +0.85% | $28.85 | -4.18% | +5.03% |
| Sep 22, 2026 | $10.74 | +1.23% | $- | - | |
| Sep 21, 2026 | $11.25 | +6.03% | $29.90 | -0.70% | +6.73% |
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