Columbia Banking System I... (COLB)
NASDAQ: COLB
· Real-Time Price · USD
25.80
0.03 (0.12%)
At close: Aug 19, 2025, 3:59 PM
25.57
-0.87%
After-hours: Aug 19, 2025, 07:21 PM EDT
COLB Option Overview
Overview for all option chains of COLB. As of August 20, 2025, COLB options have an IV of 79.56% and an IV rank of 101.58%. The volume is 80 contracts, which is 153.85% of average daily volume of 52 contracts. The volume put-call ratio is 0.04, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
79.56%IV Rank
101.58%Historical Volatility
35.03%IV Low
45.13% on May 27, 2025IV High
79.03% on Aug 19, 2025Open Interest (OI)
Today's Open Interest
2,800Put-Call Ratio
0.5Put Open Interest
937Call Open Interest
1,863Open Interest Avg (30-day)
2,325Today vs Open Interest Avg (30-day)
120.43%Option Volume
Today's Volume
80Put-Call Ratio
0.04Put Volume
3Call Volume
77Volume Avg (30-day)
52Today vs Volume Avg (30-day)
153.85%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 | 3 | 3 | 1 | 195 | 131 | 0.67 | 79.56% | 22.5 |
| Oct 17, 2025 | 0 | 0 | 0 | 3 | 2 | 0.67 | 63.44% | 22.5 |
| Nov 21, 2025 | 0 | 0 | 0 | 1,226 | 452 | 0.37 | 57.73% | 25 |
| Jan 16, 2026 | 0 | 0 | 0 | 5 | 0 | 0 | 16.32% | 95 |
| Feb 20, 2026 | 74 | 0 | 0 | 434 | 352 | 0.81 | 41.19% | 25 |