Unusual Options Activity
COLB Unusual Options Activity - Columbia Banking System
- Last active day
- September 8, 2026
- Active days (30d)
- 2
- Biggest recent print
- Call $35.0000 · $52K
AI summary
On September 8, 2026, Columbia Banking System, Inc. (COLB) experienced notable options activity with a single print. A call option with a strike price of $35.00, expiring on February 19, 2027, was traded, generating a premium of $51,900. This call option exhibited a volume-to-open interest ratio of 3.7, indicating a relatively active trade compared to existing open interest. Over the past 30 days, COLB has seen activity on two days. There were no put options traded during this session, highlighting a clear preference for calls in this instance. The absence of put premiums suggests a focus on bullish sentiment among traders for this particular strike and expiration date. Overall, this activity may reflect market participants' interest in potential upward movement for COLB's stock price in the coming months.
AI-generated summary
COLB was last active on September 8, 2026.
Prints on September 8, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| COLB | Call | $35.0000 | 02/19/27 (167d) | 3.7× | $52K | 26% |
History
- 2026-09-081 prints$52K calls$0K puts
- 2026-09-041 prints$52K calls$0K puts
- 2026-06-301 prints$46K calls$0K puts
- 2026-06-291 prints$46K calls$0K puts
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