Columbia Banking System I... (COLB)
NASDAQ: COLB
· Real-Time Price · USD
25.65
-0.49 (-1.87%)
At close: Aug 15, 2025, 3:59 PM
25.87
0.86%
After-hours: Aug 15, 2025, 05:54 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
2,545
contracts, with 1,630
call contracts and
915 put contracts. The
overall put-call open interest ratio is
0.56, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Feb 20, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 150 | 128 | 0.85 |
| Oct 17, 2025 | 3 | 0 | 0.00 |
| Nov 21, 2025 | 1,229 | 447 | 0.36 |
| Jan 16, 2026 | 5 | 0 | 0.00 |
| Feb 20, 2026 | 243 | 340 | 1.40 |