Unusual Options Activity
TNDM Unusual Options Activity - Tandem Diabetes Care
- Last active day
- August 10, 2026
- Active days (30d)
- 4
- Biggest recent print
- Call $23.0000 · $132K
AI summary
On August 10, 2026, Tandem Diabetes Care, Inc. (TNDM) experienced notable options activity, with a single print recorded. The transaction involved a call option with a strike price of $23.00, set to expire on August 21, 2026. The premium for this call was $131,890, reflecting a significant investment in this option. The volume-to-open interest ratio for this call option was reported at 1.9, indicating a relatively active trading environment compared to the existing open interest. Over the past 30 days, TNDM has had four active trading days for options, suggesting a growing interest in the stock's future performance. No put options were traded during this session, highlighting a clear focus on call activity. Overall, this unusual options activity may point to heightened interest in TNDM, particularly regarding potential upward movement in the stock price leading up to the option's expiration.
AI-generated summary
TNDM was last active on August 10, 2026.
Prints on August 10, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| TNDM | Call | $23.0000 | 08/21/26 (13d) | 1.9× | $132K | 84% |
History
- 2026-08-101 prints$132K calls$0K puts
- 2026-08-071 prints$132K calls$0K puts
- 2026-08-051 prints$126K calls$0K puts
- 2026-08-041 prints$126K calls$0K puts
- 2026-05-181 prints$333K calls$0K puts
- 2026-04-291 prints$45K calls$0K puts
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