Unusual Options Activity
GRAL Unusual Options Activity - GRAIL
- Last active day
- August 18, 2026
- Active days (30d)
- 7
- Biggest recent print
- Call $85.0000 · $651K
AI summary
On August 18, 2026, GRAIL, Inc. (GRAL) experienced notable options activity with two significant prints. The total call premium reached approximately $651,360, while the put premium was around $167,280, indicating a heavier focus on call options. The top print was a call option with a strike price of $85, expiring on October 16, 2026, which had a volume-to-open interest (Vol/OI) ratio of 3.8, suggesting a relatively active trading interest compared to existing positions. The second notable print was a put option with a strike price of $50, also expiring on October 16, 2026, which had a Vol/OI ratio of 5.8, indicating a stronger trading interest in this put relative to its open interest. Over the past 30 days, GRAL has seen options activity on seven active days, reflecting ongoing interest in its options market.
AI-generated summary
GRAL was last active on August 18, 2026.
Prints on August 18, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| GRAL | Put | $50.0000 | 10/16/26 (60d) | 5.8× | $167K | 96% | |
| GRAL | Call | $85.0000 | 10/16/26 (60d) | 3.8× | $651K | 95% |
History
- 2026-08-182 prints$651K calls$167K puts
- 2026-08-173 prints$651K calls$1.2M puts
- 2026-08-141 prints$0K calls$1.0M puts
- 2026-08-101 prints$1.2M calls$0K puts
- 2026-08-071 prints$1.2M calls$0K puts
- 2026-07-291 prints$0K calls$205K puts
- 2026-07-281 prints$0K calls$205K puts
- 2026-05-281 prints$0K calls$174K puts
- 2026-05-271 prints$310K calls$0K puts
- 2026-05-041 prints$0K calls$262K puts
- 2026-04-281 prints$0K calls$172K puts
- 2026-04-211 prints$0K calls$150K puts
- 2026-04-201 prints$0K calls$124K puts
- 2026-04-161 prints$0K calls$95K puts
- 2026-04-151 prints$0K calls$109K puts
- 2026-03-231 prints$0K calls$221K puts
- 2026-03-101 prints$30K calls$0K puts
- 2026-02-251 prints$89K calls$0K puts
- 2026-02-242 prints$361K calls$0K puts
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