Unusual Options Activity
CEG Unusual Options Activity - Constellation Energy - When-Issued
- Last active day
- August 21, 2026
- Active days (30d)
- 10
- Biggest recent print
- Put $360.0000 · $22.2M
AI summary
On August 21, 2026, notable options activity was observed in Constellation Energy Corporation (CEG). Two significant prints were recorded, both involving put options, with a total premium of approximately $32.9 million. The largest transaction was a put option with a strike price of $310, expiring on August 21, 2026, which had a premium of about $10.7 million and a volume-to-open interest ratio of 5.1. The second print involved a put option with a strike price of $360, expiring on September 18, 2026, with a premium of approximately $22.2 million and a volume-to-open interest ratio of 4.3. Over the past 30 days, CEG has seen activity on 10 days, indicating a heightened interest in options trading for this stock. The balance of activity was heavily skewed towards puts, reflecting a particular focus on downside protection or bearish sentiment among traders.
AI-generated summary
Prints on August 21, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| CEG | Put | $310.0000 | 08/21/26 (1d) | 5.1× | $10.7M | 93% | |
| CEG | Put | $360.0000 | 09/18/26 (29d) | 4.3× | $22.2M | 47% |
History
- 2026-08-212 prints$0K calls$32.9M puts
- 2026-08-202 prints$0K calls$32.9M puts
- 2026-08-191 prints$0K calls$438K puts
- 2026-08-181 prints$0K calls$438K puts
- 2026-08-111 prints$83K calls$0K puts
- 2026-08-101 prints$83K calls$0K puts
- 2026-08-061 prints$0K calls$385K puts
- 2026-08-051 prints$0K calls$385K puts
- 2026-08-041 prints$0K calls$435K puts
- 2026-08-031 prints$0K calls$435K puts
- 2026-07-172 prints$0K calls$4.0M puts
- 2026-07-162 prints$0K calls$4.0M puts
- 2026-07-151 prints$0K calls$143K puts
- 2026-07-142 prints$0K calls$2.0M puts
- 2026-07-132 prints$1.4M calls$1.9M puts
- 2026-07-101 prints$1.4M calls$0K puts
- 2026-07-073 prints$140K calls$252K puts
- 2026-07-063 prints$140K calls$252K puts
- 2026-07-022 prints$316K calls$4.0M puts
- 2026-07-012 prints$316K calls$4.0M puts
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