Unusual Options Activity
KPTI Unusual Options Activity - Karyopharm Therapeutics
- Last active day
- September 15, 2026
- Active days (30d)
- 2
- Biggest recent print
- Put $0.5000 · $65K
AI summary
On September 15, 2026, Karyopharm Therapeutics Inc. (KPTI) experienced notable options activity with two prints recorded. The total call premium amounted to $25,020, while the total put premium was significantly higher at $65,340, indicating a stronger interest in puts relative to calls for this session. The most active option was a call with a strike price of $2.50, expiring on October 16, 2026, which had a volume-to-open interest (Vol/OI) ratio of 3.1. This suggests a relatively high level of trading activity compared to existing open positions. Conversely, a put option with a strike price of $0.50, expiring on January 21, 2028, also saw significant interest, with a Vol/OI ratio of 2.5. Overall, the data reflects a notable imbalance in put versus call activity, with puts dominating the premium traded on this date. KPTI has seen two active days in the last 30, indicating a potential increase in interest among options traders.
AI-generated summary
KPTI was last active on September 15, 2026.
Prints on September 15, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| KPTI | Call | $2.5000 | 10/16/26 (32d) | 3.1× | $25K | 213% | |
| KPTI | Put | $0.5000 | 01/21/28 (494d) | 2.5× | $65K | 148% |
History
- 2026-09-152 prints$25K calls$65K puts
- 2026-09-142 prints$25K calls$65K puts
- 2026-08-121 prints$173K calls$0K puts
- 2026-08-111 prints$173K calls$0K puts
- 2026-07-201 prints$0K calls$199K puts
- 2026-07-171 prints$0K calls$199K puts
- 2026-07-151 prints$0K calls$435K puts
- 2026-07-141 prints$0K calls$435K puts
- 2026-07-091 prints$112K calls$0K puts
- 2026-07-081 prints$112K calls$0K puts
- 2026-04-141 prints$323K calls$0K puts
- 2026-04-011 prints$76K calls$0K puts
- 2026-03-252 prints$941K calls$0K puts
- 2026-03-232 prints$2.5M calls$3.9M puts
- 2026-03-121 prints$0K calls$853K puts
- 2026-02-261 prints$0K calls$33K puts
- 2026-02-181 prints$0K calls$1.7M puts
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