I-Mab (IMAB)
NASDAQ: IMAB
· Real-Time Price · USD
4.30
-0.79 (-15.52%)
At close: Aug 19, 2025, 3:59 PM
4.06
-5.69%
After-hours: Aug 19, 2025, 07:56 PM EDT
IMAB Option Overview
Overview for all option chains of IMAB. As of August 20, 2025, IMAB options have an IV of 140.12% and an IV rank of 6.57%. The volume is 422 contracts, which is 130.65% of average daily volume of 323 contracts. The volume put-call ratio is 0.35, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
140.12%IV Rank
6.57%Historical Volatility
144.62%IV Low
114.8% on Jul 14, 2025IV High
500% on Feb 26, 2025Open Interest (OI)
Today's Open Interest
3,967Put-Call Ratio
0.19Put Open Interest
643Call Open Interest
3,324Open Interest Avg (30-day)
1,414Today vs Open Interest Avg (30-day)
280.55%Option Volume
Today's Volume
422Put-Call Ratio
0.35Put Volume
109Call Volume
313Volume Avg (30-day)
323Today vs Volume Avg (30-day)
130.65%Option Chain Statistics
This table provides a comprehensive overview of all IMAB 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 | 91 | 109 | 1.2 | 1,626 | 340 | 0.21 | 140.12% | 2.5 |
| Oct 17, 2025 | 207 | 0 | 0 | 813 | 76 | 0.09 | 138.84% | 2.5 |
| Jan 16, 2026 | 12 | 0 | 0 | 879 | 182 | 0.21 | 132.02% | 2.5 |
| Apr 17, 2026 | 3 | 0 | 0 | 6 | 45 | 7.5 | 147.07% | 5 |