Columbia Banking System I... (COLB)
NASDAQ: COLB
· Real-Time Price · USD
26.41
0.48 (1.85%)
At close: Oct 03, 2025, 3:59 PM
26.45
0.15%
After-hours: Oct 03, 2025, 05:32 PM EDT
COLB Open Interest Chart
Open interest breakdown by expiration date for COLB
options contracts. Displaying data for 5
active expiration dates with future expiry.
Total open interest across all expiries is
3,419
contracts, with 2,162
call contracts and
1,257 put contracts.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Oct 17, 2025 | 26 | 198 | 7.62 |
| Nov 21, 2025 | 1,331 | 533 | 0.40 |
| Jan 16, 2026 | 5 | 0 | 0.00 |
| Feb 20, 2026 | 761 | 373 | 0.49 |
| May 15, 2026 | 39 | 153 | 3.92 |