Unusual Options Activity
ANNX Unusual Options Activity - Annexon
- Last active day
- September 10, 2026
- Active days (30d)
- 4
- Biggest recent print
- Put $5.0000 · $1.2M
AI summary
On September 10, 2026, Annexon, Inc. (ANNX) saw notable options activity with two prints primarily focused on put options. The total put premium reached approximately $2,005,830, with significant interest in two specific strikes. The largest print was for the January 15, 2027 put option at a strike price of $5.00, which recorded a premium of $1,153,680 and exhibited a volume-to-open interest ratio of 33.4, indicating high activity relative to existing positions. The second print involved a put option with a strike price of $4.00, also expiring on January 15, 2027, generating a premium of $852,150, accompanied by a volume-to-open interest ratio of 5.0. Overall, this activity reflects heightened interest in downside protection for the stock, with the total number of active days in the last 30 days being four.
AI-generated summary
ANNX was last active on September 10, 2026.
Prints on September 10, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ANNX | Put | $5.0000 | 01/15/27 (128d) | 33.4× | $1.2M | 197% | |
| ANNX | Put | $4.0000 | 01/15/27 (128d) | 5.0× | $852K | 212% |
History
- 2026-09-102 prints$0K calls$2.0M puts
- 2026-09-092 prints$0K calls$2.0M puts
- 2026-08-121 prints$309K calls$0K puts
- 2026-08-112 prints$309K calls$248K puts
- 2026-08-101 prints$0K calls$248K puts
- 2026-07-202 prints$580K calls$0K puts
- 2026-07-173 prints$580K calls$858K puts
- 2026-07-162 prints$254K calls$858K puts
- 2026-07-151 prints$254K calls$0K puts
- 2026-06-231 prints$38K calls$0K puts
- 2026-06-221 prints$38K calls$0K puts
- 2026-04-061 prints$45K calls$0K puts
- 2026-04-021 prints$0K calls$198K puts
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