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 Option Overview
Overview for all option chains of COLB. As of October 05, 2025, COLB options have an IV of 148.18% and an IV rank of 207.8%. The volume is 7 contracts, which is 16.67% of average daily volume of 42 contracts. The volume put-call ratio is 0.75, indicating a neutral sentiment in the market.
Implied Volatility
Implied Volatility (30d)
148.18%IV Rank
100%Historical Volatility
29.93%IV Low
44.71% on Jul 30, 2025IV High
94.5% on Oct 03, 2025Open Interest (OI)
Today's Open Interest
3,419Put-Call Ratio
0.58Put Open Interest
1,257Call Open Interest
2,162Open Interest Avg (30-day)
3,026Today vs Open Interest Avg (30-day)
112.99%Option Volume
Today's Volume
7Put-Call Ratio
0.75Put Volume
3Call Volume
4Volume Avg (30-day)
42Today vs Volume Avg (30-day)
16.67%Option Chain Statistics
This table provides a comprehensive overview of all COLB options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Oct 17, 2025 | 2 | 0 | 0 | 26 | 198 | 7.62 | 148.18% | 25 |
| Nov 21, 2025 | 1 | 2 | 2 | 1,331 | 533 | 0.4 | 63.53% | 25 |
| Jan 16, 2026 | 0 | 0 | 0 | 5 | 0 | 0 | 16.32% | 95 |
| Feb 20, 2026 | 0 | 1 | 0 | 761 | 373 | 0.49 | 49.34% | 25 |
| May 15, 2026 | 1 | 0 | 0 | 39 | 153 | 3.92 | 44.39% | 30 |