Unusual Options Activity
PFE Unusual Options Activity - Pfizer
- Last active day
- August 21, 2026
- Active days (30d)
- 23
- Biggest recent print
- Put $28.0000 · $412K
AI summary
On August 21, 2026, Pfizer, Inc. (PFE) experienced notable options activity with a total of five prints. The call premium amounted to $243,252, while the put premium was significantly higher at $699,342, indicating a strong preference for put options among traders. The most significant print was a put option at the $28 strike, expiring on August 28, 2026, with a premium of $411,835 and a volume-to-open interest (Vol/OI) ratio of 13.7, suggesting heightened activity relative to existing positions. Another put option at the same strike, expiring on August 21, 2026, had a premium of $261,140 and a Vol/OI of 3.6. In contrast, the highest call premium was for a $28.50 strike call, also expiring on August 28, 2026, with a premium of $104,608 and a Vol/OI of 5.6. Additionally, a call option at the $31 strike, expiring on March 19, 2027, recorded a premium of $138,644 with a Vol/OI of 1.6. Overall, the activity reflects a stronger inclination towards put options in this trading session.
AI-generated summary
Prints on August 21, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| PFE | Put | $28.0000 | 08/28/26 (6d) | 13.7× | $412K | 23% | |
| PFE | Call | $28.5000 | 08/28/26 (6d) | 5.6× | $105K | 23% | |
| PFE | Put | $28.0000 | 08/21/26 (1d) | 3.6× | $261K | 17% | |
| PFE | Put | $28.0000 | 09/04/26 (13d) | 3.0× | $26K | 22% | |
| PFE | Call | $31.0000 | 03/19/27 (211d) | 1.6× | $139K | 26% |
History
- 2026-08-215 prints$243K calls$699K puts
- 2026-08-2012 prints$2.1M calls$2.4M puts
- 2026-08-1913 prints$2.0M calls$2.5M puts
- 2026-08-183 prints$0K calls$376K puts
- 2026-08-171 prints$0K calls$80K puts
- 2026-08-141 prints$176K calls$0K puts
- 2026-08-132 prints$176K calls$42K puts
- 2026-08-124 prints$170K calls$118K puts
- 2026-08-118 prints$478K calls$441K puts
- 2026-08-109 prints$524K calls$519K puts
- 2026-08-076 prints$558K calls$196K puts
- 2026-08-062 prints$303K calls$134K puts
- 2026-08-052 prints$64K calls$100K puts
- 2026-08-045 prints$670K calls$870K puts
- 2026-08-034 prints$607K calls$829K puts
- 2026-07-312 prints$78K calls$59K puts
- 2026-07-302 prints$78K calls$124K puts
- 2026-07-294 prints$0K calls$774K puts
- 2026-07-284 prints$0K calls$1.1M puts
- 2026-07-274 prints$495K calls$462K puts
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