Zai Lab Limited (ZLAB)
NASDAQ: ZLAB
· Real-Time Price · USD
33.75
-0.10 (-0.30%)
At close: Oct 03, 2025, 3:59 PM
33.89
0.41%
After-hours: Oct 03, 2025, 07:06 PM EDT
ZLAB Option Overview
Overview for all option chains of ZLAB. As of October 05, 2025, ZLAB options have an IV of 141.19% and an IV rank of 15.73%. The volume is 55 contracts, which is 101.85% of average daily volume of 54 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
141.19%IV Rank
15.73%Historical Volatility
64.19%IV Low
74.22% on Oct 29, 2024IV High
500% on Jun 25, 2025Open Interest (OI)
Today's Open Interest
8,953Put-Call Ratio
0.39Put Open Interest
2,496Call Open Interest
6,457Open Interest Avg (30-day)
5,125Today vs Open Interest Avg (30-day)
174.69%Option Volume
Today's Volume
55Put-Call Ratio
0Put Volume
0Call Volume
55Volume Avg (30-day)
54Today vs Volume Avg (30-day)
101.85%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 |
| Oct 17, 2025 | 28 | 0 | 0 | 142 | 80 | 0.56 | 141.19% | 30 |
| Nov 21, 2025 | 0 | 0 | 0 | 34 | 2 | 0.06 | 118.45% | 35 |
| Dec 19, 2025 | 0 | 0 | 0 | 2,604 | 2,098 | 0.81 | 114.67% | 25 |
| Jan 16, 2026 | 0 | 0 | 0 | 3,498 | 0 | 0 | n/a | 8 |
| Mar 20, 2026 | 27 | 0 | 0 | 179 | 316 | 1.77 | 69.12% | 30 |