Unusual Options Activity
COLB Unusual Options Activity - Columbia Banking System
- Last active day
- June 30, 2026
- Active days (30d)
- 2
- Biggest recent print
- Call $35.0000 · $46K
AI summary
On June 30, 2026, Columbia Banking System, Inc. (COLB) experienced notable options activity with a single print recorded. The transaction involved a call option with a strike price of $35, set to expire on August 21, 2026. The call option generated a premium of $46,215, indicating a significant interest in this particular strike. The volume to open interest (Vol/OI) ratio for this option stood at 2.5, suggesting a relatively active trading environment compared to existing open positions. Over the past 30 days, COLB has seen activity on two days, indicating sporadic interest in its options. No put options were reported in this transaction, highlighting a clear focus on call activity for this particular date.
AI-generated summary
COLB was last active on June 30, 2026.
Prints on June 30, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| COLB | Call | $35.0000 | 08/21/26 (53d) | 2.5× | $46K | 27% |
History
- 2026-06-301 prints$46K calls$0K puts
- 2026-06-291 prints$46K calls$0K puts
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