Unusual Options Activity
ACMR Unusual Options Activity - ACM Research
- Last active day
- September 28, 2026
- Active days (30d)
- 8
- Biggest recent print
- Call $80.0000 · $190K
AI summary
On September 28, 2026, ACMR (ACM Research, Inc. - Class A Common Stock) saw notable options activity with a single print recorded. The transaction involved a call option with a strike price of $80, set to expire on October 2, 2026. The premium for this call was $189,810, indicating significant interest in this strike. The volume-to-open interest (Vol/OI) ratio for this option stood at 1.9, suggesting that the volume of trades was relatively high compared to existing open interest. Over the past 30 days, ACMR has had eight active trading days in the options market, reflecting a moderate level of engagement from traders. There were no put options printed during this session, highlighting a one-sided focus on calls in this instance.
AI-generated summary
ACMR was last active on September 28, 2026.
Prints on September 28, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ACMR | Call | $80.0000 | 10/02/26 (6d) | 1.9× | $190K | 86% |
History
- 2026-09-281 prints$190K calls$0K puts
- 2026-09-251 prints$190K calls$0K puts
- 2026-09-231 prints$0K calls$285K puts
- 2026-09-221 prints$0K calls$285K puts
- 2026-09-141 prints$1.1M calls$0K puts
- 2026-09-111 prints$1.1M calls$0K puts
- 2026-09-041 prints$1.4M calls$0K puts
- 2026-09-031 prints$1.4M calls$0K puts
- 2026-08-071 prints$200K calls$0K puts
- 2026-08-061 prints$200K calls$0K puts
- 2026-07-311 prints$0K calls$3.6M puts
- 2026-07-301 prints$0K calls$3.6M puts
- 2026-07-271 prints$44K calls$0K puts
- 2026-07-241 prints$44K calls$0K puts
- 2026-07-101 prints$1.5M calls$0K puts
- 2026-07-091 prints$1.5M calls$0K puts
- 2026-07-071 prints$0K calls$67K puts
- 2026-07-061 prints$0K calls$67K puts
- 2026-05-271 prints$0K calls$1.0M puts
- 2026-05-082 prints$1.1M calls$0K puts
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