Unusual Options Activity
CAT Unusual Options Activity - Caterpillar
- Last active day
- August 21, 2026
- Active days (30d)
- 21
- Biggest recent print
- Put $880.0000 · $9.7M
AI summary
On August 21, 2026, Caterpillar, Inc. (CAT) experienced notable options activity, with a total of five prints primarily focused on put options. The overall put premium reached approximately $24.6 million, while no call premiums were reported. The most significant transaction involved a put option with a strike price of $790, expiring on August 28, 2026, which traded for a premium of $425,655, with a volume-to-open interest ratio of 2.3. Other notable prints included a put option at the $880 strike, expiring the same day, with a premium of $9.7 million and a volume-to-open interest ratio of 1.5. Additional put options at strikes of $900 and $875 also saw substantial premiums of $7.6 million and $6.4 million, respectively, both with a volume-to-open interest ratio of 1.5. Lastly, a put option at the $730 strike, expiring on September 18, 2026, had a premium of $399,063 and a volume-to-open interest ratio of 1.6.
AI-generated summary
Prints on August 21, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| CAT | Put | $790.0000 | 08/28/26 (6d) | 2.3× | $426K | 40% | |
| CAT | Put | $880.0000 | 08/21/26 (1d) | 1.5× | $9.7M | 90% | |
| CAT | Put | $900.0000 | 08/21/26 (1d) | 1.5× | $7.6M | 116% | |
| CAT | Put | $875.0000 | 08/21/26 (1d) | 1.5× | $6.4M | 89% | |
| CAT | Put | $730.0000 | 09/18/26 (29d) | 1.6× | $399K | 37% |
History
- 2026-08-215 prints$0K calls$24.6M puts
- 2026-08-207 prints$289K calls$26.3M puts
- 2026-08-193 prints$289K calls$2.2M puts
- 2026-08-181 prints$0K calls$655K puts
- 2026-08-176 prints$8.6M calls$951K puts
- 2026-08-146 prints$8.9M calls$296K puts
- 2026-08-132 prints$1.1M calls$0K puts
- 2026-08-122 prints$930K calls$0K puts
- 2026-08-111 prints$76K calls$0K puts
- 2026-08-101 prints$0K calls$395K puts
- 2026-08-071 prints$0K calls$395K puts
- 2026-08-061 prints$30K calls$0K puts
- 2026-08-057 prints$12.2M calls$103K puts
- 2026-08-0413 prints$18.8M calls$3.1M puts
- 2026-08-0310 prints$8.0M calls$4.1M puts
- 2026-07-313 prints$113K calls$1.2M puts
- 2026-07-302 prints$113K calls$47K puts
- 2026-07-291 prints$0K calls$749K puts
- 2026-07-282 prints$1.2M calls$749K puts
- 2026-07-271 prints$1.2M calls$0K puts
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