Unusual Options Activity
ZLAB Unusual Options Activity - Zai Lab Limited - American Depositary Shares
- Last active day
- July 20, 2026
- Active days (30d)
- 4
- Biggest recent print
- Call $20.0000 · $259K
AI summary
On July 20, 2026, Zai Lab Limited (ZLAB) experienced notable options activity, with a single print recorded. The transaction involved a call option with a strike price of $20.00, set to expire on March 19, 2027. The premium for this call was $259,170, indicating significant interest in this particular strike. The volume-to-open interest ratio for this option stood at 5.3, suggesting a relatively active trading environment compared to existing open positions. Over the past 30 days, ZLAB has seen options activity on four separate days, reflecting some level of ongoing interest in its options market. No put options were noted in this transaction, highlighting a clear focus on call activity for this particular print.
AI-generated summary
ZLAB was last active on July 20, 2026.
Prints on July 20, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| ZLAB | Call | $20.0000 | 03/19/27 (244d) | 5.3× | $259K | 65% |
History
- 2026-07-201 prints$259K calls$0K puts
- 2026-07-171 prints$259K calls$0K puts
- 2026-07-141 prints$0K calls$400K puts
- 2026-07-131 prints$0K calls$400K puts
- 2026-05-121 prints$73K calls$0K puts
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