Columbia Banking System I...

NASDAQ: COLB · Real-Time Price · USD
25.78
-0.36 (-1.38%)
At close: Aug 15, 2025, 2:16 PM

COLB Option Overview

Overview for all option chains of COLB. As of August 15, 2025, COLB options have an IV of 426.78% and an IV rank of 430.6%. The volume is 100 contracts, which is 175.44% of average daily volume of 57 contracts. The volume put-call ratio is 0.22, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
426.78%
IV Rank
430.6%
Historical Volatility
35.35%
IV Low
42.85% on Dec 24, 2024
IV High
132.01% on Aug 14, 2025

Open Interest (OI)

Today's Open Interest
4,068
Put-Call Ratio
0.42
Put Open Interest
1,207
Call Open Interest
2,861
Open Interest Avg (30-day)
3,845
Today vs Open Interest Avg (30-day)
105.8%

Option Volume

Today's Volume
100
Put-Call Ratio
0.22
Put Volume
18
Call Volume
82
Volume Avg (30-day)
57
Today vs Volume Avg (30-day)
175.44%

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
Aug 15, 2025 38 1 0.03 1,266 299 0.24 426.78% 25
Sep 19, 2025 13 0 0 139 128 0.92 82.01% 22.5
Oct 17, 2025 3 0 0 0 0 0 60.43% 12.5
Nov 21, 2025 6 17 2.83 1,230 440 0.36 50.14% 25
Jan 16, 2026 0 0 0 5 0 0 16.32% 95
Feb 20, 2026 22 0 0 221 340 1.54 41.84% 25