Unusual Options Activity
ALT Unusual Options Activity - Altimmune
- Last active day
- September 25, 2026
- Active days (30d)
- 7
- Biggest recent print
- Call $1.0000 · $353K
AI summary
On September 25, 2026, Altimmune, Inc. (ALT) experienced notable options activity with a significant call transaction. A single call option was printed, specifically for the 1.00 strike expiring on the same date. The premium for this call was reported at $352,805, indicating a strong interest in this particular strike. The volume to open interest ratio for this transaction stands at 13.4, suggesting that the activity is relatively high compared to existing open positions. Over the past 30 days, ALT has recorded options activity on seven separate days, reflecting ongoing engagement in its options market. Notably, no put options were traded during this session, highlighting a clear preference for call options among participants. This unusual activity may warrant further observation as market participants assess the implications for the underlying stock.
AI-generated summary
ALT was last active on September 25, 2026.
Prints on September 25, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ALT | Call | $1.0000 | 09/25/26 (0d) | 13.4× | $353K | 1216% |
History
- 2026-09-251 prints$353K calls$0K puts
- 2026-09-182 prints$844K calls$0K puts
- 2026-09-172 prints$844K calls$0K puts
- 2026-09-162 prints$497K calls$0K puts
- 2026-09-152 prints$497K calls$0K puts
- 2026-09-042 prints$568K calls$0K puts
- 2026-09-032 prints$568K calls$0K puts
- 2026-08-241 prints$46K calls$0K puts
- 2026-08-211 prints$46K calls$0K puts
- 2026-08-171 prints$172K calls$0K puts
- 2026-08-141 prints$172K calls$0K puts
- 2026-07-211 prints$99K calls$0K puts
- 2026-07-201 prints$99K calls$0K puts
- 2026-07-131 prints$847K calls$0K puts
- 2026-07-101 prints$847K calls$0K puts
- 2026-07-071 prints$1.8M calls$0K puts
- 2026-07-061 prints$1.8M calls$0K puts
- 2026-07-021 prints$29K calls$0K puts
- 2026-07-011 prints$29K calls$0K puts
- 2026-06-233 prints$479K calls$0K puts
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