Columbia Banking System I... (COLB)
COLB Daily Delta Exposure
COLB's current Delta Exposure (DEX) is 25.75K shares, which is 268% larger than the 3M average of 7K shares. During this period, DEX ranged from 892.1700000000001 on Aug 1, 2025 to 25.75K on Aug 28, 2025, with dealers maintaining net short exposure requiring continuous hedging. Delta exposure has been increasing recently, forcing increased dealer shorting that could cap rallies. The current put-call delta ratio of 0.16 shows bullish call positioning but leaves the market vulnerable to pullbacks. Near extreme DEX levels suggest potential for mean reversion as positions unwind.
DEX History
| Date | Call Delta | Put Delta | Net Delta | P/C Delta |
|---|---|---|---|---|
| Aug 28, 2025 | 30,539.81 | -4,792.66 | 25,747.15 | 0.16 |
| Aug 27, 2025 | 28,319.92 | -4,719.37 | 23,600.55 | 0.17 |
| Aug 26, 2025 | 26,519.11 | -4,784.28 | 21,734.83 | 0.18 |
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