Unusual Options Activity
ISRG Unusual Options Activity - Intuitive Surgical
- Last active day
- September 11, 2026
- Active days (30d)
- 9
- Biggest recent print
- Put $460.0000 · $7.6M
AI summary
On September 11, 2026, Intuitive Surgical, Inc. (ISRG) experienced notable options activity with two prints primarily focused on put options. The total put premium amounted to approximately $12.7 million, indicating significant interest in downside protection or bearish sentiment. The largest transaction involved a put option with a strike price of $460, expiring on September 18, 2026, which generated a premium of about $7.6 million and exhibited a volume-to-open interest ratio of 6.7. This suggests a high level of activity relative to existing positions. Additionally, a put option with a strike price of $440, also expiring on September 18, 2026, recorded a premium of around $5.1 million, with a volume-to-open interest ratio of 5.3. Over the past 30 days, ISRG has seen active trading on 9 days, indicating a sustained interest in its options market. The focus on put options may reflect traders' positioning in anticipation of potential price movements.
AI-generated summary
Prints on September 11, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ISRG | Put | $460.0000 | 09/18/26 (8d) | 6.7× | $7.6M | 69% | |
| ISRG | Put | $440.0000 | 09/18/26 (8d) | 5.3× | $5.1M | 58% |
History
- 2026-09-112 prints$0K calls$12.7M puts
- 2026-09-102 prints$0K calls$12.7M puts
- 2026-09-092 prints$0K calls$440K puts
- 2026-09-082 prints$0K calls$440K puts
- 2026-09-042 prints$0K calls$12.7M puts
- 2026-09-032 prints$0K calls$12.7M puts
- 2026-08-281 prints$0K calls$11.2M puts
- 2026-08-271 prints$0K calls$11.2M puts
- 2026-08-121 prints$402K calls$0K puts
- 2026-08-112 prints$634K calls$0K puts
- 2026-08-101 prints$232K calls$0K puts
- 2026-07-242 prints$0K calls$18.2M puts
- 2026-07-232 prints$0K calls$18.2M puts
- 2026-07-212 prints$236K calls$1.9M puts
- 2026-07-202 prints$236K calls$1.9M puts
- 2026-07-175 prints$1.9M calls$478K puts
- 2026-07-164 prints$1.9M calls$450K puts
- 2026-07-152 prints$452K calls$4.5M puts
- 2026-07-142 prints$452K calls$4.5M puts
- 2026-07-081 prints$610K calls$0K puts
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