Unusual Options Activity
HSAI Unusual Options Activity - Hesai - American Depositary Share
- Last active day
- August 21, 2026
- Active days (30d)
- 3
- Biggest recent print
- Put $17.5000 · $92K
AI summary
On August 21, 2026, notable options activity was observed in Hesai Group (HSAI), with a significant print involving a put option. A single transaction was recorded for a put option with a strike price of $17.50, set to expire on September 18, 2026. The premium for this put was reported at $92,105, indicating a considerable investment in this option. The volume to open interest ratio for this transaction was noted at 2.6, suggesting a relatively active engagement compared to existing open positions. In the past 30 days, HSAI has seen options activity on three separate days, reflecting some level of interest in the options market for this stock. Overall, this transaction stands out due to its size and the absence of any corresponding call activity on the same day.
AI-generated summary
Prints on August 21, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| HSAI | Put | $17.5000 | 09/18/26 (27d) | 2.6× | $92K | 63% |
History
- 2026-08-211 prints$0K calls$92K puts
- 2026-08-141 prints$99K calls$0K puts
- 2026-08-131 prints$99K calls$0K puts
- 2026-07-141 prints$44K calls$0K puts
- 2026-07-131 prints$44K calls$0K puts
- 2026-07-013 prints$1.4M calls$0K puts
- 2026-06-304 prints$1.4M calls$47K puts
- 2026-06-291 prints$0K calls$47K puts
- 2026-06-031 prints$826K calls$0K puts
- 2026-06-021 prints$826K calls$0K puts
- 2026-05-142 prints$786K calls$0K puts
- 2026-04-301 prints$82K calls$0K puts
- 2026-04-221 prints$0K calls$74K puts
- 2026-04-151 prints$235K calls$0K puts
- 2026-04-101 prints$116K calls$0K puts
- 2026-03-121 prints$122K calls$0K puts
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