Zai Lab Limited (ZLAB)
NASDAQ: ZLAB
· Real-Time Price · USD
31.49
0.16 (0.51%)
At close: Sep 09, 2025, 3:59 PM
31.16
-1.05%
After-hours: Sep 09, 2025, 07:20 PM EDT
ZLAB Option Overview
Overview for all option chains of ZLAB. As of September 09, 2025, ZLAB options have an IV of 209.75% and an IV rank of 31.83%. The volume is 41 contracts, which is 73.21% of average daily volume of 56 contracts. The volume put-call ratio is 1.56, indicating a bearish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
209.75%IV Rank
31.83%Historical Volatility
61.95%IV Low
74.22% on Oct 29, 2024IV High
500% on Jun 25, 2025Open Interest (OI)
Today's Open Interest
9,390Put-Call Ratio
0.39Put Open Interest
2,648Call Open Interest
6,742Open Interest Avg (30-day)
5,577Today vs Open Interest Avg (30-day)
168.37%Option Volume
Today's Volume
41Put-Call Ratio
1.56Put Volume
25Call Volume
16Volume Avg (30-day)
56Today vs Volume Avg (30-day)
73.21%Option Chain Statistics
This table provides a comprehensive overview of all ZLAB options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Sep 19, 2025 | 10 | 6 | 0.6 | 960 | 282 | 0.29 | 209.75% | 35 |
| Oct 17, 2025 | 0 | 4 | 0 | 16 | 13 | 0.81 | 96.6% | 35 |
| Dec 19, 2025 | 0 | 10 | 0 | 2,207 | 2,050 | 0.93 | 92.54% | 25 |
| Jan 16, 2026 | 0 | 0 | 0 | 3,498 | 0 | 0 | n/a | 8 |
| Mar 20, 2026 | 6 | 5 | 0.83 | 61 | 303 | 4.97 | 63.5% | 30 |