Columbia Banking System I... (COLB)
NASDAQ: COLB
· Real-Time Price · USD
26.90
0.13 (0.49%)
At close: Sep 05, 2025, 3:59 PM
26.94
0.15%
After-hours: Sep 05, 2025, 07:48 PM EDT
COLB Option Overview
Overview for all option chains of COLB. As of September 05, 2025, COLB options have an IV of 143.19% and an IV rank of 178.4%. The volume is 5 contracts, which is 6.76% of average daily volume of 74 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
143.19%IV Rank
178.4%Historical Volatility
37.14%IV Low
45.13% on May 27, 2025IV High
100.09% on Sep 04, 2025Open Interest (OI)
Today's Open Interest
2,971Put-Call Ratio
0.48Put Open Interest
969Call Open Interest
2,002Open Interest Avg (30-day)
2,737Today vs Open Interest Avg (30-day)
108.55%Option Volume
Today's Volume
5Put-Call Ratio
0Put Volume
0Call Volume
5Volume Avg (30-day)
74Today vs Volume Avg (30-day)
6.76%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 |
| Sep 19, 2025 | 1 | 0 | 0 | 34 | 132 | 3.88 | 143.19% | 22.5 |
| Oct 17, 2025 | 0 | 0 | 0 | 13 | 13 | 1 | 80.4% | 25 |
| Nov 21, 2025 | 0 | 0 | 0 | 1,244 | 464 | 0.37 | 61.96% | 25 |
| Jan 16, 2026 | 0 | 0 | 0 | 5 | 0 | 0 | 16.32% | 95 |
| Feb 20, 2026 | 4 | 0 | 0 | 706 | 360 | 0.51 | 46.99% | 25 |